All Stories

  1. Charge transfer induced ferromagnetism and anomalous temperature increment of coercivity in ultrathin α-Fe2O3 decorated graphene 2D nanostructures

    Article • Journal of Applied Physics, June 2019, American Institute of Physics

    Dr Ranjit Thapa

  2. An oxygen reduction catalytic process through superoxo adsorption states on n-type doped h-BN: A first-principles study

    Article • Current Applied Physics, June 2015, Elsevier

    Dr Ranjit Thapa

  3. Magnetic, elastic and optical properties of zinc peroxide (ZnO2): First principles study

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

    Dr Ranjit Thapa

  4. First principles guide to tune h-BN nanostructures as superior light-element-based hydrogen storage materials: role of the bond exchange spillover mechanism

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

    Dr Ranjit Thapa

  5. Field emission properties of spinel ZnCo2O4microflowers

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

    Professor Mahendra A. More, Dr Dattatray Late, Professor Chandra Sekhar Rout, Dr Ranjit Thapa

  6. Facile synthesis of Ag nanowire–rGO composites and their promising field emission performance

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

    Professor Mahendra A. More, Dr Dattatray Late, Professor Chandra Sekhar Rout, Dr Ranjit Thapa

  7. Hydrogen spillover on DV (555-777) graphene – vanadium cluster system: First principles study

    Article • January 2015, American Institute of Physics

    Dr Ranjit Thapa

  8. First principle identification of SiC monolayer as an efficient catalyst for CO oxidation

    Article • January 2015, American Institute of Physics

    Dr Ranjit Thapa

  9. Influence of enolate/epoxy configuration, doping and vacancy on the catalytic activity of graphene

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

    Dr Ranjit Thapa

  10. Efficient Field Emission from Vertically Aligned Cu2O1-δ(111) Nanostructure Influenced by Oxygen Vacancy

    Article • Advanced Functional Materials, December 2014, Wiley

    Dr Ranjit Thapa

  11. Field emission properties of ZnO nanosheet arrays

    Article • Applied Physics Letters, December 2014, American Institute of Physics

    Professor Mahendra A. More, Dr Dattatray Late, Professor Chandra Sekhar Rout, Dr Ranjit Thapa

  12. Ab Initio Study of Thin Oxide–Metal Overlayers as an Inverse Catalytic System for Dioxygen Reduction and Enhanced CO Tolerance

    Article • ACS Catalysis, October 2014, American Chemical Society (ACS)

    Dr Ranjit Thapa

  13. Rules of Boron-Nitrogen Doping in Defect Graphene Sheets: A First-Principles Investigation of Band-Gap Tuning and Oxygen Reduction Reaction Catalysis Capabilities

    Article • ChemPhysChem, June 2014, Wiley

    Dr Ranjit Thapa

  14. Amino-functionalized graphene quantum dots: origin of tunable heterogeneous photoluminescence

    Article • Nanoscale, January 2014, Royal Society of Chemistry

    Dr Ranjit Thapa

  15. Doped h-BN monolayer as efficient noble metal-free catalysts for CO oxidation: the role of dopant and water in activity and catalytic de-poisoning

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

    Dr Ranjit Thapa

  16. A first-principles investigation of oxygen reduction reaction catalysis capabilities of As decorated defect graphene

    Article • Dalton Transactions, January 2014, Royal Society of Chemistry

    Dr Ranjit Thapa

  17. Optical and vibrational properties of hydrogenated BN-sheet: First principles study

    Article • Applied Surface Science, November 2013, Elsevier

    Dr Ranjit Thapa

  18. Promotion of oxygen reduction by a bio-inspired tethered iron phthalocyanine carbon nanotube-based catalyst

    Article • Nature Communications, June 2013, Springer Science + Business Media

    Dr Ranjit Thapa, Meilin Liu

  19. Small Pd cluster adsorbed double vacancy defect graphene sheet for hydrogen storage: A first-principles study

    Article • International Journal of Hydrogen Energy, March 2013, Elsevier

    Dr Ranjit Thapa

  20. Anatase TiO2 nanoparticles synthesis via simple hydrothermal route: Degradation of Orange II, Methyl Orange and Rhodamine B

    Article • Journal of Molecular Catalysis A Chemical, November 2012, Elsevier

    Dr Ranjit Thapa

  21. First-Principles Identification of Iodine Exchange Mechanism in Iodide Ionic Liquid

    Article • The Journal of Physical Chemistry Letters, October 2012, American Chemical Society (ACS)

    Dr Ranjit Thapa

  22. Structural transformation from Mn3O4 nanorods to nanoparticles and band gap tuning via Zn doping

    Article • Materials Research Bulletin, March 2012, Elsevier

    Dr Ranjit Thapa

  23. Site dependent metal adsorption on (3 × 3) h-BN monolayer: Stability, magnetic and optical properties

    Article • Computational Materials Science, January 2012, Elsevier

    Dr Ranjit Thapa

  24. QUANTUM SIZE EFFECT ON THE OPTICAL PROPERTIES OF RF MAGNETRON SPUTTERED NANOCRYSTALLINE CADMIUM OXIDE THIN FILMS

    Article • International Journal of Nanoscience, August 2011, World Scientific Pub Co Pte Lt

    Dr Ranjit Thapa

  25. SPECTROSCOPIC ELLIPSOMETRIC STUDIES ON THE OPTICAL PROPERTIES OF PHOSPHORUS DOPED NANOCRYSTALLINE NiO THIN FILMS

    Article • International Journal of Nanoscience, August 2011, World Scientific Pub Co Pte Lt

    Dr Ranjit Thapa

  26. Temperature-dependent ac conductivity and dielectric response of vanadium doped CaCu3Ti4O12 ceramic

    Article • Applied Physics A, April 2011, Springer Science + Business Media

    Dr Ranjit Thapa

  27. Palladium atoms and its dimers adsorbed on graphene: First-principles study

    Article • Physica B Condensed Matter, February 2011, Elsevier

    Dr Ranjit Thapa

  28. Flexible cold cathode with ultralow threshold field designed through wet chemical route

    Article • Nanotechnology, November 2010, Institute of Physics Publishing

    Dr Ranjit Thapa

  29. Study of field emission and dielectric properties of AlN films prepared by DC sputtering technique at different substrate temperatures

    Article • Indian Journal of Physics, October 2010, Springer Science + Business Media

    Dr Ranjit Thapa

  30. Optical and electrical properties of p-type transparent conducting CuAlO2 thin film synthesized by reactive radio frequency magnetron sputtering technique

    Article • Indian Journal of Physics, October 2010, Springer Science + Business Media

    Dr Ranjit Thapa

  31. Effect of vanadium doping on the dielectric and nonlinear current–voltage characteristics of CaCu3Ti4O12 ceramic

    Article • Journal of Alloys and Compounds, September 2010, Elsevier

    Dr Ranjit Thapa

  32. First principles analysis on V3+ doped aluminum nitride

    Article • Computational Materials Science, August 2010, Elsevier

    Dr Ranjit Thapa

  33. Intentionally incorporated defect and its consequences in oxide thin film through Radio Frequency Magnetron Sputtering Technique

    Article • Indian Journal of Physics, June 2010, Springer Science + Business Media

    Dr Ranjit Thapa

  34. Self filling of Ni nanoparticles in amorphous AlN nanotubes and its field emission property

    Article • Applied Surface Science, April 2010, Elsevier

    Dr Ranjit Thapa

  35. Band gap widening of nanocrystalline nickel oxide thin films via phosphorus doping

    Article • Physica E Low-dimensional Systems and Nanostructures, March 2010, Elsevier

    Dr Ranjit Thapa

  36. Synthesis of cubic aluminum nitride by VLS technique using gold chloride as a catalyst and its optical and field emission properties

    Article • Journal of Alloys and Compounds, May 2009, Elsevier

    Dr Ranjit Thapa

  37. Enhanced field emission from Si doped nanocrystalline AlN thin films

    Article • Applied Surface Science, February 2009, Elsevier

    Dr Ranjit Thapa

  38. A novel route for the low temperature synthesis of p-type transparent semiconducting CuAlO2

    Article • Materials Letters, February 2009, Elsevier

    Dr Ranjit Thapa

  39. Optical and dielectric properties of PVA capped nanocrystalline PbS thin films synthesized by chemical bath deposition

    Article • Physica E Low-dimensional Systems and Nanostructures, September 2008, Elsevier

    Dr Ranjit Thapa

  40. Wide range tuning of electrical conductivity of RF sputtered CdO thin films through oxygen partial pressure variation

    Article • Solar Energy Materials and Solar Cells, September 2008, Elsevier

    Dr Ranjit Thapa

  41. Bandgap widening in highly conducting CdO thin film by Ti incorporation through radio frequency magnetron sputtering technique

    Article • Solid State Communications, January 2008, Elsevier

    Dr Ranjit Thapa

  42. Improvement of electrical and thermoelectric properties of CdO thin film by aluminum doping

    Article • December 2007, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Ranjit Thapa