All Stories

  1. Polymeric graphitic carbon nitride nanosheet-coated amorphous carbon supports for enhanced fuel cell electrode performance and stability

    Article • Applied Catalysis B Environment and Energy, December 2018, Elsevier

    Dr Keun Hwa Chae

  2. Electronic excitation induced modifications in the ferroelectric polarization of BiFeO 3 thin films

    Article • Vacuum, September 2018, Elsevier

    Dr Keun Hwa Chae, Dr Savan V Katba

  3. Electronic structure and dielectric properties of ZrO 2 -CeO 2 mixed oxides

    Article • Journal of Physics and Chemistry of Solids, August 2018, Elsevier

    Dr Keun Hwa Chae

  4. Structure, optical and electronic structure studies of Ti:ZnO thin films

    Article • Journal of Alloys and Compounds, August 2018, Elsevier

    Dr Keun Hwa Chae

  5. Spinel copper ferrite nanoparticles: Preparation, characterization and catalytic activity

    Article • Applied Organometallic Chemistry, June 2018, Wiley

    Dr Keun Hwa Chae

  6. Unveiling the nature of adsorbed species onto the surface of MgO thin films during prolonged annealing

    Article • Journal of Alloys and Compounds, June 2018, Elsevier

    Dr Keun Hwa Chae

  7. Preparation and Characterization of Magnetic Chitosan/Cu–Mg–Al Layered Double Hydroxide Nanocomposite for the One-Pot Three-Component (A3) Coupling of Aldehydes, Amines and Alkynes

    Article • Journal of Inorganic and Organometallic Polymers and Materials, May 2018, Springer Science + Business Media

    Dr Keun Hwa Chae

  8. Oxido-peroxido W(VI)-histidine-MgAl-layered double hydroxide composite as an efficient catalyst in sulfide oxidation

    Article • Applied Organometallic Chemistry, April 2018, Wiley

    Dr Keun Hwa Chae

  9. Structural and electronic investigation of ZnO nanostructures synthesized under different environments

    Article • Heliyon, April 2018, Elsevier

    Dr Keun Hwa Chae

  10. Synthesis and Characterization of Some Alkaline-Earth-Oxide Nanoparticles

    Article • Journal of the Korean Physical Society, April 2018, Korean Physical Society

    Dr Keun Hwa Chae

  11. Surface and local electronic structure modification of MgO film using Zn and Fe ion implantation

    Article • Applied Surface Science, February 2018, Elsevier

    Dr Keun Hwa Chae

  12. Are organic templates responsible for the optical and magnetic response of MgO nanoparticles?

    Article • Materials Chemistry Frontiers, January 2018, Royal Society of Chemistry

    Dr Keun Hwa Chae

  13. Water oxidation by simple manganese salts in the presence of cerium(iv) ammonium nitrate: towards a complete picture

    Article • Dalton Transactions, January 2018, Royal Society of Chemistry

    Dr Keun Hwa Chae

  14. The application of a nickel(ii) Schiff base complex in water oxidation: the importance of nanosized materials

    Article • Catalysis Science & Technology, January 2018, Royal Society of Chemistry

    Dr Keun Hwa Chae

  15. d° Ferromagnetism of Magnesium Oxide

    Article • Condensed Matter, November 2017, MDPI AG

    Dr Keun Hwa Chae

  16. Enhanced Li Ion Conductivity in LiBH4–Al2O3 Mixture via Interface Engineering

    Article • The Journal of Physical Chemistry C, November 2017, American Chemical Society (ACS)

    Dr Keun Hwa Chae

  17. Tunichrome mimetic matrix, its perspective in abatement for carcinogenic hexavalent chromium and specific coordination behavior

    Article • Chemical Engineering Journal, November 2017, Elsevier

    Dr Keun Hwa Chae

  18. Role of silver doping on the defects related photoluminescence and antibacterial behaviour of zinc oxide nanoparticles

    Article • Colloids and Surfaces B Biointerfaces, November 2017, Elsevier

    Dr Keun Hwa Chae

  19. Synthesis and characterization of Dy x CoFe 2−x O 4 nanoparticles

    Article • Superlattices and Microstructures, September 2017, Elsevier

    Dr Keun Hwa Chae

  20. Correlation of oxygen vacancies to various properties of amorphous zinc tin oxide films

    Article • Journal of Applied Physics, August 2017, American Institute of Physics

    Dr Keun Hwa Chae

  21. Well-Defined Biomimicking Brush-Polymer Self-Assemblies Revealing Cholesterol- and Phosphorylcholine-Enriched Surface

    Article • Macromolecules, August 2017, American Chemical Society (ACS)

    Dr Keun Hwa Chae

  22. Effect of precursor thermal history on the formation of amorphous and crystalline calcium carbonate

    Article • Particuology, August 2017, Elsevier

    Dr Keun Hwa Chae

  23. Optical behavior of MgO nanoparticles investigated using diffuse reflectance and near edge X-ray absorption spectroscopy

    Article • Materials Letters, July 2017, Elsevier

    Dr Keun Hwa Chae

  24. Cu 2 O nanocrystals with various morphology: Synthesis, characterization and catalytic properties

    Article • Chinese Chemical Letters, May 2017, Elsevier

    Dr Keun Hwa Chae

  25. Electronic structure of magnetic Fe/MgO/Fe/Co multilayer structure by NEXAFS spectroscopy

    Article • Vacuum, April 2017, Elsevier

    Dr Asokan Kandasami, Dr Keun Hwa Chae

  26. POSS-Based Covalent Networks: Supporting and Stabilizing Pd for Heck Reaction in Aqueous Media

    Article • Catalysis Letters, February 2017, Springer Science + Business Media

    Dr Keun Hwa Chae

  27. Nanosized manganese oxide/holmium oxide: a new composite for water oxidation

    Article • New Journal of Chemistry, January 2017, Royal Society of Chemistry

    Dr Keun Hwa Chae, Suleyman Allakhverdiev

  28. A new strategy to make an artificial enzyme: photosystem II around nanosized manganese oxide

    Article • Catalysis Science & Technology, January 2017, Royal Society of Chemistry

    Dr Keun Hwa Chae, Suleyman Allakhverdiev

  29. Investigation on cation distribution and luminescence in spinel phase γ-Ga3−δO4 : Sm nanostructures using X-ray absorption spectroscopy

    Article • RSC Advances, January 2017, Royal Society of Chemistry

    Dr Keun Hwa Chae

  30. Mechanistic insights on the electronic properties and electronic/atomic structure aspects in orthorhombic SrVO3 thin films: XANES–EXAFS study

    Article • Physical Chemistry Chemical Physics, January 2017, Royal Society of Chemistry

    Dr Keun Hwa Chae

  31. Chemically Driven Enhancement of Oxygen Reduction Electrocatalysis in Supported Perovskite Oxides

    Article • The Journal of Physical Chemistry Letters, December 2016, American Chemical Society (ACS)

    Dr Keun Hwa Chae

  32. Magnetic Behaviour of Granular GdMnO3 Film

    Article • Journal of Superconductivity and Novel Magnetism, December 2016, Springer Science + Business Media

    Dr Asokan Kandasami, Dr Keun Hwa Chae

  33. Chemical effects at interfaces of Fe/MgO/Fe magnetic tunnel junction

    Article • Superlattices and Microstructures, December 2016, Elsevier

    Dr Asokan Kandasami, Dr Keun Hwa Chae

  34. Synthesis and Local Electronic Structure of Calcite Nanoparticles

    Article • Journal of Nanoscience and Nanotechnology, November 2016, American Scientific Publishers

    Dr Keun Hwa Chae

  35. Mizoroki⿿Heck reaction over palladium nanoparticles supported on WO 3

    Article • Materials Research Bulletin, November 2016, Elsevier

    Dr Keun Hwa Chae

  36. Copper nanoparticles supported on CeO2 as an efficient catalyst for click reactions of azides with alkynes

    Article • Catalysis Communications, October 2016, Elsevier

    Dr Keun Hwa Chae

  37. Investigation on the local electronic/atomic structure properties using XANES/EXAFS and photocatalyst application of Zr1−xCuxO2 (0 ≤ x ≤ 0.2)

    Article • Current Applied Physics, October 2016, Elsevier

    Dr Keun Hwa Chae

  38. Structural Characterization of Zinc-Tin-Oxide Films Deposited on Quartz Substrates by Radio Frequency Magnetron Sputtering

    Article • Journal of Nanoscience and Nanotechnology, October 2016, American Scientific Publishers

    Dr Keun Hwa Chae

  39. Copper (II) Oxide Nanoparticles as an Efficient Catalyst in the Azide-AlkyneCycloaddition

    Article • ChemistrySelect, September 2016, Wiley

    Dr Keun Hwa Chae

  40. ChemInform Abstract: Polyoxomolybdate-Stabilized Cu2O Nanoparticles as an Efficient Catalyst for the Azide-Alkyne Cycloaddition.

    Article • ChemInform, September 2016, Wiley

    Dr Keun Hwa Chae

  41. Swift heavy ion irradiation induced effects in Fe/MgO/Fe/Co multilayer

    Article • Materials & Design, July 2016, Elsevier

    Dr Asokan Kandasami, Jitendra Singh, Dr Keun Hwa Chae

  42. Synthesis of manganese oxide microparticles using supercritical water

    Article • The Journal of Supercritical Fluids, June 2016, Elsevier

    Dr Keun Hwa Chae

  43. Electronic structure studies of chemically synthesized MgFe 2 O 4 nanoparticles

    Article • Journal of Molecular Structure, March 2016, Elsevier

    Dr Keun Hwa Chae

  44. Structural and magnetic study of dysprosium substituted cobalt ferrite nanoparticles

    Article • Journal of Magnetism and Magnetic Materials, March 2016, Elsevier

    Dr Keun Hwa Chae

  45. Optical and surface enhanced Raman scattering properties of Au nanoparticles embedded in and located on a carbonaceous matrix

    Article • Physical Chemistry Chemical Physics, January 2016, Royal Society of Chemistry

    Dr Asokan Kandasami, Dr Keun Hwa Chae

  46. Electronic Structure Study And Dielectric Properties Of Amorphous ZrO2 And HfO2

    Article • Advanced Materials Letters, January 2016, VBRI Press

    Dr Keun Hwa Chae

  47. Modification of the electronic structure and the electrical properties of ZnO thin films by nickel-ion irradiation at room temperature

    Article • Journal of the Korean Physical Society, January 2016, Korean Physical Society

    Dr Keun Hwa Chae

  48. Covalency, hybridization and valence state effects in nano- and micro-sized ZnFe2O4

    Article • CrystEngComm, January 2016, Royal Society of Chemistry

    Dr Keun Hwa Chae

  49. Polyoxomolybdate-stabilized Cu2O nanoparticles as an efficient catalyst for the azide–alkyne cycloaddition

    Article • New Journal of Chemistry, January 2016, Royal Society of Chemistry

    Dr Keun Hwa Chae

  50. Consequences of electronic excitations in CoFe1.90Dy0.10O4

    Article • Current Applied Physics, December 2015, Elsevier

    Dr Asokan Kandasami, Jitendra Singh, Dr Keun Hwa Chae

  51. Atomic diffusion processes in MgO/Fe/MgO multilayer

    Article • Superlattices and Microstructures, December 2015, Elsevier

    Dr Keun Hwa Chae

  52. Mn-doped ZrO2 nanoparticles as an efficient catalyst for green oxidative degradation of methylene blue

    Article • Catalysis Communications, December 2015, Elsevier

    Dr Keun Hwa Chae

  53. Modification of magnetic anisotropy induced by swift heavy ion irradiation in cobalt ferrite thin films

    Article • Journal of Magnetism and Magnetic Materials, November 2015, Elsevier

    Dr Asokan Kandasami, Dr Keun Hwa Chae

  54. Modifications in the electronic structure of Rare-Earth doped BiFeO3 multiferroic

    Article • Solid State Communications, November 2015, Elsevier

    Dr Asokan Kandasami, Dr Keun Hwa Chae, Dr Savan V Katba

  55. Onset of size independent cationic exchange in nano-sized CoFe2O4 induced by electronic excitation

    Article • Journal of Alloys and Compounds, October 2015, Elsevier

    Dr Asokan Kandasami, Dr Keun Hwa Chae

  56. Crystallite size induced crossover from paramagnetism to superparamagnetism in zinc ferrite nanoparticles

    Article • Superlattices and Microstructures, October 2015, Elsevier

    Dr Asokan Kandasami, Dr Keun Hwa Chae

  57. X-ray absorption spectroscopy study and photocatalyst application of CuO and Cu0.9Ti0.1O nanoparticles

    Article • Current Applied Physics, October 2015, Elsevier

    Dr Keun Hwa Chae

  58. Wide-range tunable bandgap in Bi1−xCaxFe1−yTiyO3−δnanoparticles via oxygen vacancy induced structural modulations at room temperature

    Article • Materials Research Express, September 2015, Institute of Physics Publishing

    Dr Keun Hwa Chae

  59. XANES and DRIFTS study of sulfated Sb/V/Ce/TiO 2 catalysts for NH 3 -SCR

    Article • Chemical Engineering Journal, September 2015, Elsevier

    Dr Keun Hwa Chae

  60. Electronic structure and magnetic properties of Co doped TiO2 thin films using X-ray absorption spectroscopy

    Article • Ceramics International, July 2015, Elsevier

    Dr Keun Hwa Chae

  61. Structural, magnetic and electronic structure properties of Co doped ZnO nanoparticles

    Article • Materials Research Bulletin, June 2015, Elsevier

    Dr Keun Hwa Chae

  62. Structural, magnetic and electronic structure studies of PrFe1−xMnxO3 (x=0, 0.1, 0.3, 0.5) thin films grown on Si (100)

    Article • Journal of Alloys and Compounds, April 2015, Elsevier

    Dr Asokan Kandasami, Dr Keun Hwa Chae

  63. Structural, transport and ferroelectric properties of Zn1−xMgxO samples and their local electronic structure

    Article • Superlattices and Microstructures, February 2015, Elsevier

    Dr Asokan Kandasami, Dr Keun Hwa Chae

  64. Blue shift in the optical bandgap of tin oxide thin films by controlling oxygen-to-argon gas flow ratio

    Article • Functional Materials Letters, February 2015, World Scientific Pub Co Pte Lt

    Dr Keun Hwa Chae

  65. Influential effects of π-spacers, alkyl side chains, and various processing conditions on the photovoltaic properties of alkylselenyl substituted benzodithiophene based polymers

    Article • Journal of Materials Chemistry C, January 2015, Royal Society of Chemistry

    Sung-Ho Jin, Dr Keun Hwa Chae

  66. XANES, EXAFS and photocatalytic investigations on copper oxide nanoparticles and nanocomposites

    Article • RSC Advances, January 2015, Royal Society of Chemistry

    Dr Keun Hwa Chae

  67. Rapid oxidative degradation of methylene blue by various metal oxides doped with vanadium

    Article • RSC Advances, January 2015, Royal Society of Chemistry

    Dr Keun Hwa Chae

  68. Electrical and magnetic properties of the pulsed laser deposited Ca doped LaMnO3 thin films on Si (100) and their electronic structures

    Article • RSC Advances, January 2015, Royal Society of Chemistry

    Dr Asokan Kandasami, Dr Keun Hwa Chae

  69. Bifunctional Ce1−xEuxO2 (0 ≤ x ≤ 0.3) nanoparticles for photoluminescence and photocatalyst applications: an X-ray absorption spectroscopy study

    Article • Physical Chemistry Chemical Physics, January 2015, Royal Society of Chemistry

    Dr Keun Hwa Chae

  70. Electronic structure, magnetic and structural properties of Ni doped ZnO nanoparticles

    Article • Materials Research Bulletin, November 2014, Elsevier

    Dr Keun Hwa Chae

  71. Phenomenological understanding of dewetting and embedding of noble metal nanoparticles in thin films induced by ion irradiation

    Article • Materials Chemistry and Physics, October 2014, Elsevier

    Dr Asokan Kandasami, Dr Keun Hwa Chae

  72. Electronic structure study of Co doped CeO2 nanoparticles using X-ray absorption fine structure spectroscopy

    Article • Journal of Alloys and Compounds, October 2014, Elsevier

    Dr Keun Hwa Chae

  73. Fabrication of p-n junction diode using SnO/SnO2 thin films and its device characteristics

    Article • Electronic Materials Letters, July 2014, Springer Science + Business Media

    Dr Asokan Kandasami, Dr Keun Hwa Chae

  74. Magnetic, Electronic Structure And Interface Study Of Fe/MgO/Fe Multilayer

    Article • Advanced Materials Letters, July 2014, VBRI Press

    Dr Asokan Kandasami, Dr Keun Hwa Chae

  75. Nanoscopic Management of Molecular Packing and Orientation of Small Molecules by a Combination of Linear and Branched Alkyl Side Chains

    Article • ACS Nano, June 2014, American Chemical Society (ACS)

    Dr Keun Hwa Chae

  76. Electronic structure of Fe/MgO/Fe multilayer stack by X-ray magnetic circular dichroism

    Article • Journal of Applied Physics, January 2014, American Institute of Physics

    Dr Asokan Kandasami, Dr Keun Hwa Chae

  77. Carbon dioxide mediated, reversible chemical hydrogen storage using a Pd nanocatalyst supported on mesoporous graphitic carbon nitride

    Article • Journal of Materials Chemistry A, January 2014, Royal Society of Chemistry

    Dr Keun Hwa Chae

  78. Electronic structure study of Ce1−xAxO2 (A = Zr & Hf) nanoparticles: NEXAFS and EXAFS investigations

    Article • Physical Chemistry Chemical Physics, January 2014, Royal Society of Chemistry

    Dr Keun Hwa Chae

  79. Effect of substrate temperature on structural and optical properties of nitrogen doped SnO2 thin film

    Article • January 2014, American Institute of Physics

    Dr Keun Hwa Chae

  80. Monoclinic to tetragonal phase transition in ZrO2 thin films under swift heavy ion irradiation: Structural and electronic structure study

    Article • Chemical Physics Letters, January 2014, Elsevier

    Dr Keun Hwa Chae

  81. Characterization of zinc–tin–oxide films deposited by radio frequency magnetron sputtering at various substrate temperatures

    Article • Thin Solid Films, December 2013, Elsevier

    Dr Keun Hwa Chae

  82. X-ray spectroscopy study of ZnxSn1−xO2 nanorods synthesized by hydrothermal technique

    Article • Thin Solid Films, November 2013, Elsevier

    Dr Keun Hwa Chae

  83. Correlation between the dielectric properties and local electronic structure of copper doped calcium titanate

    Article • Journal of Alloys and Compounds, September 2013, Elsevier

    Dr Asokan Kandasami, Dr Keun Hwa Chae

  84. Electronic structure and electrical transport properties of LaCo1−xNixO3 (0 ≤ x ≤0.5)

    Article • Journal of Applied Physics, August 2013, American Institute of Physics

    Dr Keun Hwa Chae

  85. Spectroscopic study of Zn1−xCoxO thin films showing intrinsic ferromagnetism

    Article • Materials Chemistry and Physics, June 2013, Elsevier

    Dr Asokan Kandasami, Dr Keun Hwa Chae

  86. Structure of multi-wall carbon nanotubes: AA′ stacked graphene helices

    Article • Applied Physics Letters, April 2013, American Institute of Physics

    Dr Keun Hwa Chae

  87. Possibility of room-temperature multiferroism in Mg-doped ZnO

    Article • Applied Physics A, March 2013, Springer Science + Business Media

    Dr Asokan Kandasami, Dr Keun Hwa Chae

  88. Hall mobility manipulation in TiO2−x semiconductor films by hydrogen-ion irradiation

    Article • Journal of the Korean Physical Society, March 2013, Korean Physical Society

    Dr Keun Hwa Chae

  89. Highly conductive and damp heat stable transparent ZnO based thin films for flexible electronics

    Article • Journal of Alloys and Compounds, March 2013, Elsevier

    Dr Keun Hwa Chae

  90. Structural, magnetic and electronic structure properties of pure and Ti doped Mg0.95Mn0.05Fe2O4 nanocrystalline thin films

    Article • Ceramics International, March 2013, Elsevier

    Dr Keun Hwa Chae

  91. Investigation of phase segregation in sol–gel derived ZnMgO thin films

    Article • Semiconductor Science and Technology, January 2013, Institute of Physics Publishing

    Dr Keun Hwa Chae

  92. Effect of oxygen pressure on the structural and optical properties of ZnO/Si(100) thin films

    Article • January 2013, American Institute of Physics

    Dr Keun Hwa Chae

  93. Near edge X-ray absorption fine structure study of Zn[sub 0.8]Mg[sub 0.2]O thin films

    Article • January 2013, American Institute of Physics

    Dr Keun Hwa Chae

  94. X-ray absorption spectroscopy and photoluminescence study of rare earth ions doped strontium sulphide phosphors

    Article • Applied Surface Science, January 2013, Elsevier

    Dr Keun Hwa Chae

  95. X-ray photoelectron spectroscopy of Zn0.98Cu0.02O thin film grown on ZnO seed layer by RF sputtering

    Article • Materials Letters, December 2012, Elsevier

    Dr Keun Hwa Chae

  96. On the optical properties of Ag+15 ion-beam-irradiated TiO2 and SnO2 thin films

    Article • Journal of the Korean Physical Society, November 2012, Korean Physical Society

    Dr Keun Hwa Chae

  97. Study of the electronic structure and luminescence of Mn-doped SrS phosphors

    Article • Journal of the Korean Physical Society, November 2012, Korean Physical Society

    Dr Keun Hwa Chae

  98. Properties of Cu-doped ZnO films by RF sputtering method: Thickness dependence

    Article • Materials Research Bulletin, October 2012, Elsevier

    Dr Keun Hwa Chae

  99. Blue shift in band gap and photoluminescence of pulsed laser deposited SrS:Ce/quartz thin film nanophosphors

    Article • Journal of Alloys and Compounds, June 2012, Elsevier

    Dr Keun Hwa Chae

  100. Room-temperature ferromagnetism of Cu ion-implanted Ga-doped ZnO

    Article • Current Applied Physics, May 2012, Elsevier

    Dr Keun Hwa Chae

  101. Study Of Surface Morphology And Grain Size Of Irradiated MgO Thin Films

    Article • Advanced Materials Letters, April 2012, VBRI Press

    Dr Asokan Kandasami, Dr Keun Hwa Chae

  102. Hardness and Nitrogen Bonding Structure of AlxTi1−xN/CrN Multilayer Hard Coating

    Article • Journal of Nanoscience and Nanotechnology, February 2012, American Scientific Publishers

    Dr Keun Hwa Chae

  103. The Effects of Nitrogen Bonding on Hardness of AlN/CrN Multilayer Hard Coatings

    Article • Journal of Nanoscience and Nanotechnology, February 2012, American Scientific Publishers

    Dr Keun Hwa Chae

  104. Nitrogen-doped TiO2 nanopowders prepared by chemical vapor synthesis: band structure and photocatalytic activity under visible light

    Article • Research on Chemical Intermediates, December 2011, Springer Science + Business Media

    Dr Keun Hwa Chae

  105. Modifications in structural and electronic properties of TiO2 thin films using swift heavy ion irradiation

    Article • Journal of Applied Physics, October 2011, American Institute of Physics

    Dr Keun Hwa Chae

  106. The pore wall structure of porous semi-crystalline anatase TiO2

    Article • Journal of Applied Crystallography, October 2011, International Union of Crystallography

    Dr Keun Hwa Chae

  107. Structural, magnetic and electronic structure studies of Mn doped TiO2 thin films

    Article • Applied Surface Science, October 2011, Elsevier

    Dr Keun Hwa Chae

  108. Electronic charge transfer in cobalt doped fullerene thin films and effect of energetic ion impacts by x-ray absorption spectroscopy

    Article • Thin Solid Films, September 2011, Elsevier

    Dr Keun Hwa Chae

  109. X-ray powder diffraction data of layered cobaltites with the compositions Ca3−xSrxCo4O9

    Article • Powder Diffraction, September 2011, Cambridge University Press

    Dr Keun Hwa Chae

  110. Orbital anisotropy in SnO2 thin films and its modification by swift heavy ion irradiation

    Article • Chemical Physics Letters, August 2011, Elsevier

    Dr Keun Hwa Chae

  111. Magnetic and Humidity-Sensing Properties of Nanostructured CuxCo1−xFe2O4 Synthesized via Autocombustion

    Article • Journal of Nanoscience and Nanotechnology, July 2011, American Scientific Publishers

    Dr Asokan Kandasami, Dr Keun Hwa Chae

  112. Effect of proton irradiation on electrical properties of a-As2S3

    Article • Journal of Non-Crystalline Solids, June 2011, Elsevier

    Dr Keun Hwa Chae

  113. XAS and XMCD studies of amorphous FeCo-based ribbons

    Article • Journal of Non-Crystalline Solids, June 2011, Elsevier

    Dr Keun Hwa Chae

  114. Irradiation induced ferromagnetism at room temperature in TiO2 thin films: X-ray magnetic circular dichroism characterizations

    Article • Applied Physics Letters, May 2011, American Institute of Physics

    Dr Keun Hwa Chae

  115. Synthesis of Au nanoparticles at the surface and embedded in carbonaceous matrix by 150 keV Ar ion irradiation

    Article • Journal of Physics D Applied Physics, March 2011, Institute of Physics Publishing

    Dr Asokan Kandasami, Dr Keun Hwa Chae

  116. ROOM TEMPERATURE FERROMAGNETISM IN PURE ANDCuDOPEDZnONANORODS: ROLE OF COPPER OR DEFECTS

    Article • Functional Materials Letters, March 2011, World Scientific Pub Co Pte Lt

    Dr Keun Hwa Chae

  117. Impedance spectroscopic investigation of delocalization effects of disorder induced by Ni doping in LaFeO3

    Article • Journal of Physics D Applied Physics, February 2011, Institute of Physics Publishing

    Dr Keun Hwa Chae

  118. NEXAFS studies of La0.8Bi0.2Fe1−xMnxO3(0.0 ⩽x⩽ 0.4) multiferroic system using x-ray absorption spectroscopy

    Article • Journal of Physics D Applied Physics, January 2011, Institute of Physics Publishing

    Dr Keun Hwa Chae

  119. Evolution of magnetic nanophases of Ni embedded in Al2O3 (001) matrix by X-ray magnetic circular dichroism

    Article • Chemical Physics Letters, January 2011, Elsevier

    Dr Keun Hwa Chae

  120. Electronic Structure Studies of Nanoferrite CuxCo1–xFe2O4 by X-ray Absorption Spectroscopy

    Article • Journal of Nanoscience and Nanotechnology, January 2011, American Scientific Publishers

    Dr Asokan Kandasami, Dr Keun Hwa Chae

  121. Electronic Structure and Magnetic Properties of the Ni0.2Cd0.3Fe2.5−xAlxO4 (0 ≤ x ≤ 0.4) Ferrite Nanoparticles

    Article • Journal of Nanoscience and Nanotechnology, January 2011, American Scientific Publishers

    Dr Keun Hwa Chae

  122. MAGNETIC AND ELECTRONIC STRUCTURE STUDIES OF Mn1+xFe2-2xTixO4 (0 ≤ x ≤ 0.5) FERRITES

    Article • Functional Materials Letters, December 2010, World Scientific Pub Co Pte Lt

    Dr Keun Hwa Chae

  123. Colossal Resistivity Change of Polycrystalline NiO Thin Film Deposited by RF Magnetron Sputtering

    Article • Applied Science and Convergence Technology, November 2010, The Korean Vacuum Society

    Dr Keun Hwa Chae

  124. Intrinsic ferromagnetism and magnetic anisotropy in Gd-doped ZnO thin films synthesized by pulsed spray pyrolysis method

    Article • Journal of Applied Physics, September 2010, American Institute of Physics

    Dr Keun Hwa Chae

  125. A compact, sample-in-atmospheric-pressure soft x-ray microscope developed at Pohang Light Source

    Article • Review of Scientific Instruments, June 2010, American Institute of Physics

    Dr Keun Hwa Chae

  126. Electronic structure of Cu-doped ZnO thin films by x-ray absorption, magnetic circular dichroism, and resonant inelastic x-ray scattering

    Article • Journal of Applied Physics, May 2010, American Institute of Physics

    Dr Asokan Kandasami, Dr Keun Hwa Chae

  127. X-ray absorption and magnetic circular dichroism characterization of Mo1–xFexO2 (x = 0–0.05) thin films grown by pulsed laser ablation

    Article • Hyperfine Interactions, April 2010, Springer Science + Business Media

    Dr Keun Hwa Chae

  128. Note: Construction of x-ray scattering and x-ray absorption fine structure beamline at the Pohang Light Source

    Article • Review of Scientific Instruments, February 2010, American Institute of Physics

    Dr Keun Hwa Chae

  129. Bi-substitution-induced magnetic moment distribution in spinel BixCo2−xMnO4multiferroic

    Article • Journal of Physics Condensed Matter, September 2009, Institute of Physics Publishing

    Dr Keun Hwa Chae

  130. Electronic structure studies of Fe-doped ZnO nanorods by x-ray absorption fine structure

    Article • Journal of Physics D Applied Physics, August 2009, Institute of Physics Publishing

    Dr Keun Hwa Chae

  131. Structural, magnetic and electronic structure studies of NdFe1−xNixO3(0 ≤x≤ 0.3)

    Article • Journal of Physics Condensed Matter, July 2009, Institute of Physics Publishing

    Dr Keun Hwa Chae

  132. Electronic Structure of Co-doped ZnO Thin Films by X-ray Absorption and Emission Spectroscopy

    Article • Journal of the Korean Physical Society, July 2009, Korean Physical Society

    Dr Asokan Kandasami, Dr Keun Hwa Chae

  133. X-ray Absorption and Emission Studies of Mn-doped ZnO Thin Films

    Article • Journal of the Korean Physical Society, July 2009, Korean Physical Society

    Dr Asokan Kandasami, Dr Keun Hwa Chae

  134. Thin film growth of multiferroic BiMn2O5using pulsed laser ablation and its characterization

    Article • Journal of Physics D Applied Physics, June 2009, Institute of Physics Publishing

    Dr Keun Hwa Chae

  135. Preparation and characterization of α-Fe2O3 polyhedral nanocrystals via annealing technique

    Article • Materials Letters, May 2009, Elsevier

    Dr Keun Hwa Chae

  136. Investigations on the structural, optical and electronic properties of Nd doped ZnO thin films

    Article • Journal of Physics D Applied Physics, April 2009, Institute of Physics Publishing

    Dr Asokan Kandasami, Dr Keun Hwa Chae

  137. Structural and magnetic properties of chemically synthesized Fe doped ZnO

    Article • Journal of Applied Physics, April 2009, American Institute of Physics

    Dr Keun Hwa Chae

  138. NEXAFS and XMCD studies of single-phase Co doped ZnO thin films

    Article • Journal of Physics Condensed Matter, March 2009, Institute of Physics Publishing

    Dr Keun Hwa Chae

  139. Suppressed recombination of electrons and holes and its role on the improvement of photoreactivity of flame-synthesized TiO2 nanopowders

    Article • Chemical Physics Letters, March 2009, Elsevier

    Dr Keun Hwa Chae

  140. Direct observation of oxygen induced room temperature ferromagnetism in MoO2 thin films by x-ray magnetic circular dichroism characterizations

    Article • Applied Physics Letters, February 2009, American Institute of Physics

    Dr Keun Hwa Chae, Dr. Ram Prakash

  141. VLS-like growth and characterizations of dense ZnO nanorods grown by e-beam process

    Article • Journal of Physics D Applied Physics, January 2009, Institute of Physics Publishing

    Dr Keun Hwa Chae

  142. Room temperature ferromagnetism in chemically synthesized ZnO rods

    Article • Materials Letters, January 2009, Elsevier

    Dr Keun Hwa Chae

  143. Ferromagnetism in Fe doped ZnO synthesized by co-precipitation method

    Article • Journal of the Ceramic Society of Japan, January 2009, Ceramic Society of Japan

    Dr Keun Hwa Chae

  144. Unipolar-to-Ambipolar Conversion of Organic Thin-Film Transistors by Organosilane Self-Assembled Monolayer

    Article • The Journal of Physical Chemistry, December 2008, American Chemical Society (ACS)

    Dr Keun Hwa Chae

  145. Influence of 2-mercapto-5-nitrobenzimidazole treatment on the electronic characteristics of bottom-contact organic field-effect transistors

    Article • Organic Electronics, December 2008, Elsevier

    Dr Keun Hwa Chae

  146. Improvement of photocatalytic behavior of chemical-vapor-synthesized TiO2 nanopowders by post-heat treatment

    Article • Current Applied Physics, October 2008, Elsevier

    Dr Keun Hwa Chae

  147. Effect of Ti substitution on multiferroic properties of BiMn2O5

    Article • Journal of Applied Physics, August 2008, American Institute of Physics

    Dr Keun Hwa Chae

  148. Electronic structure studies of Mg0.95Mn0.05Fe2−2xTi2xO4 (0⩽x⩽0.8)

    Article • Journal of Magnetism and Magnetic Materials, July 2008, Elsevier

    Dr Keun Hwa Chae

  149. Ferromagnetism and metal–semiconducting transition in Fe-doped ZnO thin films

    Article • Journal of Physics D Applied Physics, June 2008, Institute of Physics Publishing

    Dr Keun Hwa Chae

  150. Local structure, optical and magnetic studies of Ni nanostructures embedded in a SiO2matrix by ion implantation

    Article • Journal of Physics Condensed Matter, June 2008, Institute of Physics Publishing

    Dr Keun Hwa Chae

  151. Magnetotransport, noise, and x-ray magnetic circular dichroism studies of pulsed laser deposited Fe3O4 film on Si substrates

    Article • Applied Physics Letters, February 2008, American Institute of Physics

    Dr Keun Hwa Chae

  152. Ion beam synthesis of Ni nanoparticles embedded in quartz

    Article • Journal of Vacuum Science & Technology B Microelectronics and Nanometer Structures Processing Measurement and Phenomena, January 2008, American Vacuum Society

    Dr Keun Hwa Chae

  153. Red–Yellow Fluorescence Patterning of a Polymer Film Containing Phthalimido Carbamate Groups

    Article • Advanced Functional Materials, November 2007, Wiley

    Dr Keun Hwa Chae

  154. Construction of a soft X-ray beamline at the PLS

    Article • Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment, November 2007, Elsevier

    Dr Keun Hwa Chae

  155. Electrical transport, magnetic, and electronic structure studies of Mg0.95Mn0.05Fe2−2xTi2xO4 ± δ(0≤x≤0.5) ferrites

    Article • Journal of Physics Condensed Matter, November 2007, Institute of Physics Publishing

    Dr Keun Hwa Chae

  156. X-ray absorption and magnetic circular dichroism characterizations of Mn doped ZnO

    Article • Applied Physics Letters, October 2007, American Institute of Physics

    Dr Asokan Kandasami, Dr Keun Hwa Chae

  157. Structural, electrical, magnetic, and electronic structure studies of PrFe1−xNixO3 (x⩽0.5)

    Article • Journal of Applied Physics, October 2007, American Institute of Physics

    Dr Keun Hwa Chae

  158. Reduction of the residual compressive stress of tetrahedral amorphous carbon film by Ar background gas during the filtered vacuum arc process

    Article • Journal of Applied Physics, January 2007, American Institute of Physics

    Dr Keun Hwa Chae

  159. Room-temperature ferromagnetism of Cu-implanted GaN

    Article • Applied Physics Letters, January 2007, American Institute of Physics

    Dr Keun Hwa Chae

  160. Buffer layer effect on the structural and electrical properties of rubrene-based organic thin-film transistors

    Article • Applied Physics Letters, October 2006, American Institute of Physics

    Dr Keun Hwa Chae

  161. Direct observation of suppressed recombination of electron-hole pairs in the TiO2 nanopowders with anatase-rutile interface: in-situ NEXAFS study under UV irradiation

    Article • October 2006, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Keun Hwa Chae

  162. Positive-type photosensitive polyimide based on a photobase generator containing oxime-urethane groups as a photosensitive compound

    Article • Macromolecular Research, June 2006, Springer Science + Business Media

    Dr Keun Hwa Chae

  163. Interface study of ion irradiated Cu/Ni/Cu(002)/Si magnetic thin film by X-ray reflectivity

    Article • Journal of Magnetism and Magnetic Materials, April 2006, Elsevier

    Dr Keun Hwa Chae

  164. Atomic arrangement of Al-induced clusters on Si(001) surface at high temperature

    Article • Chemical Physics Letters, January 2006, Elsevier

    Dr Keun Hwa Chae

  165. Hydrocarbon-associated Si(001) surface structure : CAICISS

    Article • August 2005, SPIE

    Dr Keun Hwa Chae

  166. Structural determination of the low-coverage phase of Al on Si(001) surface

    Article • The Journal of Chemical Physics, June 2005, American Institute of Physics

    Dr Keun Hwa Chae

  167. Structural analysis of the reconstructed Si(001)-C surface

    Article • The Journal of Chemical Physics, May 2005, American Institute of Physics

    Dr Keun Hwa Chae

  168. Initial adsorption structure of ethylene on Si(001) surface at room temperature

    Article • Surface Science, May 2005, Elsevier

    Dr Keun Hwa Chae

  169. Surface structure of low-coveraged Cs on Si(0 0 1)-() system

    Article • Applied Surface Science, February 2005, Elsevier

    Dr Keun Hwa Chae

  170. Comparison of visible photoluminescence from Si ion-irradiated SiO2/Si/SiO2 films fabricated by ion beam sputtering deposition and electron beam evaporation

    Article • Thin Solid Films, November 2004, Elsevier

    Dr Keun Hwa Chae

  171. Control of magnetic anisotropy by ion-beam-mixing method under external magnetic field

    Article • phys stat sol (a), June 2004, Wiley

    Dr Keun Hwa Chae

  172. The control of in-plane magnetic anisotropy by ion irradiation

    Article • physica status solidi (b), June 2004, Wiley

    Dr Keun Hwa Chae

  173. The defect-related photoluminescence from Si ion-beam-mixed SiO2/Si/SiO2 films

    Article • Applied Surface Science, June 2004, Elsevier

    Dr Keun Hwa Chae

  174. Modification of interface magnetic anisotropy by ion irradiation on epitaxial Cu/Ni/Cu(002)/ Si(100) films

    Article • Physical Review B, May 2004, American Physical Society (APS)

    Dr Keun Hwa Chae

  175. Ellipsometric spectroscopy study of Ar ion-beam mixed SiO2/Si/SiO2 layers

    Article • Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and Atoms, February 2004, Elsevier

    Dr Keun Hwa Chae

  176. Visible photoluminescence from Si ion-beam-mixed SiO2/Si/SiO2 layers deposited by e-beam evaporation

    Article • Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and Atoms, February 2004, Elsevier

    Dr Keun Hwa Chae

  177. Optimization of tunneling magnetotransport and thermal properties in magnetic tunnel junctions by rapid thermal anneal

    Article • Microelectronic Engineering, September 2003, Elsevier

    Dr Keun Hwa Chae

  178. Atomic structure of Cs layer grown on Si(001)(2×1) surface at room temperature

    Article • Surface Science, May 2003, Elsevier

    Dr Keun Hwa Chae

  179. Atomic structure of Cs grown on Si(001)(2×1) surface by coaxial impact collision ion scattering spectroscopy

    Article • Current Applied Physics, February 2003, Elsevier

    Dr Keun Hwa Chae

  180. Surface structure of Pt/Si()

    Article • Surface Science, May 2002, Elsevier

    Dr Keun Hwa Chae

  181. Blue and red luminescence from Si ion-irradiated SiO2/Si/SiO2 layers

    Article • Optical Materials, June 2001, Elsevier

    Dr Keun Hwa Chae

  182. Photoresponse of Si detector based on n-ZnO/p-Si and n-ZnO/n-Si structures

    Article • Optical Materials, June 2001, Elsevier

    Dr Keun Hwa Chae

  183. Atomic structure of Ba layer on Si(001)-(2×1) surface studied by low energy ion scattering

    Article • Surface Science, April 2001, Elsevier

    Dr Keun Hwa Chae

  184. Compositional changes in the surface layers of the Cu3Au(100) below the bulk transition temperature

    Article • Surface Science, April 2001, Elsevier

    Dr Keun Hwa Chae

  185. The electronic structure of ion beam mixed ferromagnetic multilayered films

    Article • Journal of Electron Spectroscopy and Related Phenomena, March 2001, Elsevier

    Dr Keun Hwa Chae

  186. Soft X-ray fluorescence and photoluminescence of Si nanocrystals embedded in SiO2

    Article • Applied Physics A, March 2001, Springer Science + Business Media

    Dr Keun Hwa Chae

  187. Optical and electrical properties of Ge-implanted SiO2 layers on n-Si and p-Si

    Article • Applied Surface Science, January 2001, Elsevier

    Dr Keun Hwa Chae

  188. Effects of Si-dose on defect-related photoluminescence in Si-implanted SiO2 layers

    Article • Journal of Applied Physics, August 2000, American Institute of Physics

    Dr Keun Hwa Chae

  189. Atomic structure of ultrathin Co layer on Si(001)(2×1) at room temperature

    Article • Surface Science, May 2000, Elsevier

    Dr Keun Hwa Chae

  190. Photoluminescence from Si ion irradiated SiO2/Si/SiO2 films with elevated substrate temperature

    Article • Materials Science and Engineering B, January 2000, Elsevier

    Dr Keun Hwa Chae

  191. Violet and orange luminescence from Ge-implanted SiO2 layers

    Article • Materials Science and Engineering B, January 2000, Elsevier

    Dr Keun Hwa Chae

  192. Visible photoluminescence in ion beam mixed SiO2/Si/SiO2 layers

    Article • Nanostructured Materials, November 1999, Elsevier

    Dr Keun Hwa Chae

  193. Atomic structure of Ag grown on Si(001) (2×1) at high temperature

    Article • Surface Science, September 1999, Elsevier

    Dr Keun Hwa Chae

  194. Effect of cohesive energy on atomic transport in ion beam mixed Co/Pt bilayer film

    Article • Thin Solid Films, March 1999, Elsevier

    Dr Keun Hwa Chae

  195. Enhancing defect-related photoluminescence by hot implantation into SiO2 layers

    Article • Applied Physics Letters, February 1999, American Institute of Physics

    Dr Keun Hwa Chae

  196. Electronic structures and nitride formation on ion-implanted AISI 304L austenitic stainless steel

    Article • Surface and Coatings Technology, February 1999, Elsevier

    Dr Keun Hwa Chae

  197. Mechanism for interfacial adhesion strength of an ion beam mixed Cu/polyimide with a thin buffer layer

    Article • Applied Physics Letters, January 1999, American Institute of Physics

    Dr Keun Hwa Chae

  198. Defect vs. Nanocrystal Luminescence Emitted in Si-Implanted SiO2Layers

    Article • Japanese Journal of Applied Physics, December 1998, Japan Society of Applied Physics

    Dr Keun Hwa Chae

  199. Defect versus nanocrystal luminescence emitted from room temperature and hot-implanted SiO2 layers

    Article • Journal of Luminescence, December 1998, Elsevier

    Dr Keun Hwa Chae

  200. The origin of photoluminescence in Ge-implanted SiO2 layers

    Article • Journal of Luminescence, December 1998, Elsevier

    Dr Keun Hwa Chae

  201. Atomic structure of two-dimensional Ag layer grown on Si(001)-(2×1) at room temperature

    Article • Surface Science, September 1998, Elsevier

    Dr Keun Hwa Chae

  202. Atomic structures of Ag islands on Si(001)(2 × 1)

    Article • Surface Science, January 1998, Elsevier

    Dr Keun Hwa Chae

  203. THE TEMPERATURE DEPENDENCE OF THE SURFACE RELAXATION OF Cu(111) AND Ag(111) — EVIDENCE FOR GIANT ANHARMONIC EFFECTS

    Article • Surface Review and Letters, December 1997, World Scientific Pub Co Pte Lt

    Dr Keun Hwa Chae

  204. Charge redistribution in ion-beam-mixed PdAg alloys

    Article • Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and Atoms, August 1996, Elsevier

    Dr Keun Hwa Chae

  205. Valence band electronic redistribution in ion-beam-mixed PdAg alloys

    Article • Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and Atoms, December 1995, Elsevier

    Dr Keun Hwa Chae

  206. Atomic transport in collisional atomic mixing in bilayer structure

    Article • Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and Atoms, June 1994, Elsevier

    Dr Keun Hwa Chae

  207. Mechanism of adhesion improvement in ion-beam mixed Cu/SiO2

    Article • Journal of Materials Science, January 1994, Springer Science + Business Media

    Dr Keun Hwa Chae

  208. Atomic transport in ion mixed Pd/Co bilayer

    Article • Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and Atoms, June 1993, Elsevier

    Dr Keun Hwa Chae

  209. Atomic transport in thermal spike induced ion mixing

    Article • Journal of Applied Physics, May 1993, American Institute of Physics

    Dr Keun Hwa Chae

  210. Dynamic Monte Carlo simulation for cascade interfacial mixing

    Article • Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and Atoms, September 1992, Elsevier

    Dr Keun Hwa Chae

  211. Ion beam mixing variance profiles of A1 and Pd in A1/Pd bilayers

    Article • Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and Atoms, November 1990, Elsevier

    Dr Keun Hwa Chae