All Stories

  1. Microwave pretreatment of biomass for conversion of lignocellulosic materials into renewable biofuels

    Article • February 2023, Elsevier

    Dr. Jayr Amorim

  2. Study of temporal dissociation and atomic excitation rates in a flowing N2 DC discharge and post-discharge

    Article • Plasma Sources Science and Technology, December 2022, Institute of Physics Publishing

    Dr. Jayr Amorim

  3. Atmospheric pressure plasmas operating in high frequency fields

    Article • November 2022, Institute of Physics Publishing

    Dr. Jayr Amorim

  4. Active Species in R (He,Ne,Ar)-Molecular Gas Plasmas

    Article • July 2022, Sciencedomain International

    Dr. Jayr Amorim

  5. N, H and C-atoms Density in Flowing Afterglows of Microwave R/N2-H2 and R/N2-CH4 Discharges with R=N2, He, Ar and Applications to TiO2 Surface Nitriding

    Article • July 2022, Sciencedomain International

    Dr. Jayr Amorim

  6. N-atom Density in High Ar-N2 Gas Pressure Microwave Afterglow

    Article • July 2022, Sciencedomain International

    Dr. Jayr Amorim

  7. Comparative Study of Influence of Experimental Configuration on Densities of Active Species in the Early Afterglows of N2/(0–2.5%)H2 HF Flowing Plasmas

    Article • Plasma Chemistry and Plasma Processing, July 2022, Springer Science + Business Media

    Dr. Jayr Amorim

  8. Efeito do plasma não térmico nos nutrientes de alimentos e matérias-primas à base de cereais

    Article • Research Society and Development, February 2022, Research, Society and Development

    Dr. Jayr Amorim

  9. Effect of OH species in the oxynitride titanium formation during plasma-assisted thermochemical treatment

    Article • Surface and Coatings Technology, January 2022, Elsevier

    Dr. Jayr Amorim

  10. Study of Microwave Afterglows in N2 Gas Mixtures by Emission Spectroscopy and LIF. Application to Surface Cleaning

    Article • November 2021, Sciencedomain International

    Dr. Jayr Amorim

  11. Study of ionization and ion transfer rates in flowing N2 DC discharges and post-discharges

    Article • Journal of Physics D Applied Physics, September 2021, Institute of Physics Publishing

    Dr. Jayr Amorim

  12. Efeitos do tratamento de plasma não térmico gerado por micro-ondas aplicado em farinha e farelo de trigo

    Article • Research Society and Development, July 2021, Research, Society and Development

    Dr. Jayr Amorim

  13. On the CN production through a spark-plug discharge in air-CO2 mixture

    Article • Combustion and Flame, April 2021, Elsevier

    Dr. Jayr Amorim

  14. Heating of biomass in microwave household oven - A numerical study

    Article • Energy, March 2021, Elsevier

    Dr. Jayr Amorim

  15. N, H and C-atoms Density in Flowing Afterglows of Microwave R/N2-H2 and R/N2-CH4 Discharges with R=N2, He, Ar and Applications to TiO2 Surface Nitriding

    Article • February 2021, Sciencedomain International

    Dr. Jayr Amorim

  16. Statistical physics of two-temperature rotational energy distributions in stationary plasmas

    Article • January 2021, American Physical Society (APS)

    Dr. Jayr Amorim

  17. Neutral and Excited Molecules and Atoms Densities in the Positive Column of Flowing N2 DC Discharges

    Article • Brazilian Journal of Physics, October 2020, Springer Science + Business Media

    Dr. Jayr Amorim

  18. High H-atom Density in R(He,Ar)/x%(N2–5%H2) Early Afterglows

    Article • Plasma Chemistry and Plasma Processing, June 2020, Springer Science + Business Media

    Dr. Jayr Amorim

  19. Kinetic investigation of N2 flowing DC discharges

    Article • Physics of Plasmas, June 2020, American Institute of Physics

    Dr. Jayr Amorim

  20. Temporal electron collisions and adjunct ionization mechanisms in the positive column of a flowing N2 DC discharge

    Article • Plasma Research Express, November 2019, Institute of Physics Publishing

    Dr. Jayr Amorim

  21. Kinetic description of non-Boltzmann OH rotational distribution in nonequilibrium stationary plasmas

    Article • March 2019, American Physical Society (APS)

    Dr. Jayr Amorim

  22. Atmospheric Pressure DBD Low-Temperature Plasma Reactor for the Treatment of Sugarcane Bagasse

    Article • IEEE Transactions on Plasma Science, March 2019, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Jayr Amorim

  23. Causes of plasma column contraction in surface-wave-driven discharges in argon at atmospheric pressure

    Article • January 2018, American Physical Society (APS)

    Dr. Jayr Amorim

  24. CN (B 2Σ+ → X 2Σ+) Violet System in a Cold Atmospheric-Pressure Argon Plasma Jet

    Article • Plasma Chemistry and Plasma Processing, December 2017, Springer Science + Business Media

    Dr. Jayr Amorim

  25. Effect of the plasma excitation power on the properties of SiOxCyHz films deposited on AISI 304 steel

    Article • Surface and Coatings Technology, February 2017, Elsevier

    Dr. Jayr Amorim

  26. Electron scattering by biomass molecular fragments: useful data for plasma applications?

    Article • The European Physical Journal D, August 2016, Springer Science + Business Media

    Dr. Jayr Amorim

  27. Mass Spectrometry of Atmospheric Pressure Surface Wave Discharges

    Article • Journal of Physics Conference Series, May 2016, Institute of Physics Publishing

    Dr. Jayr Amorim

  28. Molybdenum electron impact width parameter measurement by laser-induced breakdown spectroscopy

    Article • Applied Physics B Photophysics and Laser Chemistry, January 2016, Springer Science + Business Media

    Dr. Jayr Amorim

  29. Atmospheric pressure plasmas operating in high-frequency fields

    Article • January 2016, Institute of Physics Publishing

    Dr. Jayr Amorim

  30. Equilibrium and Nonequilibrium Features in a Warm He+H2O Microwave Plasma at Atmospheric Pressure

    Article • IEEE Transactions on Plasma Science, December 2015, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Jayr Amorim

  31. Experimental and theoretical study of atmospheric-pressure argon microplasma jets

    Article • Plasma Physics and Controlled Fusion, May 2015, Institute of Physics Publishing

    Dr. Jayr Amorim

  32. The role of rotational mechanisms in electron swarm parameters at low reduced electric field in N 2 , O 2 and H 2

    Article • Plasma Sources Science and Technology, April 2015, Institute of Physics Publishing

    Dr. Jayr Amorim

  33. Rotational temperature measurements in molecular plasmas using nonadditive Tsallis statistics

    Article • Physica A Statistical Mechanics and its Applications, June 2014, Elsevier

    Dr. Jayr Amorim

  34. The density profiles of N2() and N2() in the Pink Afterglow of the DC nitrogen flowing discharge

    Article • Chemical Physics, May 2014, Elsevier

    Dr. Jayr Amorim

  35. The crucial role of molecular ions in the radial contraction of argon microwave-sustained plasma jets at atmospheric pressure

    Article • Chemical Physics Letters, March 2014, Elsevier

    Dr. Jayr Amorim

  36. Excited states time evolution on a laser-ablated molybdenum plume

    Article • Applied Physics B Photophysics and Laser Chemistry, February 2014, Springer Science + Business Media

    Dr. Jayr Amorim

  37. Air–water ‘tornado’-type microwave plasmas applied for sugarcane biomass treatment

    Article • Journal of Physics D Applied Physics, December 2013, Institute of Physics Publishing

    Dr. Jayr Amorim

  38. Experimental study of unconfined surface wave discharges at atmospheric pressure by optical emission spectroscopy

    Article • Journal of Physics D Applied Physics, December 2013, Institute of Physics Publishing

    Dr. Jayr Amorim

  39. Atmospheric Pressure Plasma Pretreatment of Sugarcane Bagasse: the Influence of Biomass Particle Size in the Ozonation Process

    Article • Applied Biochemistry and Biotechnology, November 2013, Springer Science + Business Media

    Dr. Jayr Amorim

  40. Atmospheric Pressure Plasma Pretreatment of Sugarcane Bagasse: The Influence of Moisture in the Ozonation Process

    Article • Applied Biochemistry and Biotechnology, July 2013, Springer Science + Business Media

    Dr. Jayr Amorim

  41. Ozone decay on stainless steel and sugarcane bagasse surfaces

    Article • The European Physical Journal Applied Physics, July 2013, EDP Sciences

    Dr. Jayr Amorim

  42. Treatment of Sugarcane Bagasse Lignin Employing Atmospheric Pressure Microplasma Jet in Argon

    Article • Plasma Processes and Polymers, June 2013, Wiley

    Dr. Jayr Amorim

  43. Decomposition of Lignin from Sugar Cane Bagasse during Ozonation Process Monitored by Optical and Mass Spectrometries

    Article • The Journal of Physical Chemistry, March 2013, American Chemical Society (ACS)

    Dr. Jayr Amorim

  44. Enhancement of Corrosion Resistance AISI 304 Steel by Plasma Polymerized Thin Films

    Article • MRS Proceedings, January 2013, Springer Science + Business Media

    Dr. Jayr Amorim

  45. Non-Maxwellian velocity distributions and non-Gaussian profiles of H atoms in low-pressure hydrogen discharges

    Article • Plasma Sources Science and Technology, December 2012, Institute of Physics Publishing

    Dr. Jayr Amorim

  46. The local dissociation phenomenon in a nitrogen afterglow

    Article • Journal of Physics D Applied Physics, November 2012, Institute of Physics Publishing

    Dr. Jayr Amorim

  47. Plasma properties of 355 nm and 532 nm laser-ablated molybdenum target at atmospheric pressure

    Article • Journal of Physics Conference Series, June 2012, Institute of Physics Publishing

    Dr. Jayr Amorim

  48. Optical and electrical diagnostics of a spark-plug discharge in air

    Article • Journal of Physics D Applied Physics, June 2012, Institute of Physics Publishing

    Dr. Jayr Amorim

  49. Metastable atomic species in the N2 flowing afterglow

    Article • Chemical Physics, March 2012, Elsevier

    Dr. Jayr Amorim

  50. Anomalous Doppler broadening caused by exothermic reactions: application to hydrogen Balmer lines

    Article • The European Physical Journal D, June 2011, Springer Science + Business Media

    Dr. Jayr Amorim

  51. Optical and morphological properties of N-doped TiO2 thin films

    Article • Surface Science, April 2011, Elsevier

    Dr. Jayr Amorim

  52. Occupancy of rotational population in molecular spectra based on nonextensive statistics

    Article • Physical Review E, January 2011, American Physical Society (APS)

    Dr. Jayr Amorim

  53. Electric and spectroscopic properties of argon-hydrogen RF microplasma jets at atmospheric pressure

    Article • Journal of Physics D Applied Physics, September 2010, Institute of Physics Publishing

    Dr. Jayr Amorim

  54. Possibility of nonexistence of hot and superhot hydrogen atoms in electrical discharges

    Article • Physical Review E, September 2010, American Physical Society (APS)

    Dr. Jayr Amorim

  55. Using neural networks to solve nonlinear differential equations in atomic and molecular physics

    Article • International Journal of Quantum Chemistry, May 2010, Wiley

    Dr. Jayr Amorim

  56. Optical emission spectroscopy diagnostics of an atmospheric pressure direct current microplasma jet

    Article • Spectrochimica Acta Part B Atomic Spectroscopy, November 2009, Elsevier

    Dr. Jayr Amorim

  57. Quantum well infrared photodetectors: design using the transfer matrix method

    Article • May 2009, SPIE

    Dr. Jayr Amorim

  58. A utilização da filmadora digital para o estudo do movimento dos corpos

    Article • Revista Brasileira de Ensino de Física, April 2009, FapUNIFESP (SciELO)

    Dr. Jayr Amorim

  59. Hyperthermal hydrogen atoms in argon-hydrogen atmospheric pressure microplasma jet

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

    Dr. Jayr Amorim

  60. Three-band quantum well infrared photodetector using interband and intersubband transitions

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

    Dr. Jayr Amorim

  61. Widely Separate Spectral Sensitivity Quantum Well Infrared Photodetector Using Interband and Intersubband Transitions

    Article • IEEE Sensors Journal, June 2008, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Jayr Amorim

  62. Microhollow cathode discharge and breakdown in micron separations

    Article • The European Physical Journal Applied Physics, February 2008, EDP Sciences

    Dr. Jayr Amorim

  63. Simulating nitrogen molecular plasma spectra using artificial neural networks

    Article • Journal of Physics D Applied Physics, December 2007, Institute of Physics Publishing

    Dr. Jayr Amorim

  64. Determination of N-, H- and O-Atom Densities in N2–H2 and in N2–O2 Gas Mixtures by Optical Actinometry in Flowing Microwave Discharges and by NO Titration in Post-Discharges

    Article • Plasma Processes and Polymers, April 2007, Wiley

    Dr. Jayr Amorim

  65. Measurements of N( 4 S) absolute density in a 2.45 GHz surface wave discharge by optical emission spectroscopy

    Article • Journal of Physics D Applied Physics, July 2006, Institute of Physics Publishing

    Dr. Jayr Amorim

  66. Study of residual gas formed during plasma debinding of powder injection moulded parts

    Article • Journal of Physics D Applied Physics, December 2005, Institute of Physics Publishing

    Dr. Jayr Amorim, Argemiro Soares da Silva Sobrinho

  67. Densities of N- and O-atoms in N2–O2 flowing glow discharges by actinometry

    Article • Surface and Coatings Technology, October 2005, Elsevier

    Dr. Jayr Amorim

  68. Production of hydroxyl radicals and removal of acetaldehyde in a photo-triggered discharge in N 2 /O 2 /CH 3 CHO mixtures

    Article • Journal of Physics D Applied Physics, September 2005, Institute of Physics Publishing

    Dr. Jayr Amorim

  69. Experimental and calculated N( 4 S) temporal density profile in the N 2 flowing post-discharge

    Article • Journal of Physics D Applied Physics, June 2005, Institute of Physics Publishing

    Dr. Jayr Amorim

  70. Lewis-Rayleigh and Pink afterglow

    Article • IEEE Transactions on Plasma Science, April 2005, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Jayr Amorim

  71. Experimental evidence of Penning ionization role in a low pressure direct current nitrogen glow discharge

    Article • The European Physical Journal Applied Physics, March 2004, EDP Sciences

    Dr. Jayr Amorim

  72. A detailed discussion of the N 2 (C 3 Π u ) and N 2 (X 1 Σ g + ) vibrational temperatures in N 2 glow discharges

    Article • The European Physical Journal Applied Physics, March 2004, EDP Sciences

    Dr. Jayr Amorim

  73. N(2D) in nitrogen afterglow

    Article • Chemical Physics Letters, February 2004, Elsevier

    Dr. Jayr Amorim

  74. Kinetics of atoms, metastable, radiative and ionic species in the nitrogen pink afterglow

    Article • Journal of Physics D Applied Physics, March 2002, Institute of Physics Publishing

    Dr. Jayr Amorim

  75. Formation of H− ions via vibrational excited molecules produced from recombinative wall desorption of H atoms in a low-pressure H2 positive column

    Article • Chemical Physics Letters, October 2001, Elsevier

    Dr. Jayr Amorim

  76. The two-photon absorption laser induced stimulated emission as a hydrogen atoms diagnostic tool: modelling and experiment

    Article • Optics Communications, June 2001, Elsevier

    Dr. Jayr Amorim

  77. Laser-induced resonance fluorescence as a diagnostic technique in non-thermal equilibrium plasmas

    Article • Journal of Physics D Applied Physics, April 2000, Institute of Physics Publishing

    Dr. Jayr Amorim

  78. Validity of actinometry to measure N and H atom concentration in N 2 -H 2 direct current glow discharges

    Article • Journal of Physics D Applied Physics, December 1999, Institute of Physics Publishing

    Dr. Jayr Amorim

  79. Superelastic collisions of electrons with the c metastable state in hydrogen dc positive column

    Article • Chemical Physics, July 1999, Elsevier

    Dr. Jayr Amorim

  80. Diagnostic and modeling of N 2 -H 2 discharges for iron nitriding

    Article • The European Physical Journal Applied Physics, October 1998, EDP Sciences

    Dr. Jayr Amorim

  81. Dependence of volume-produced H− ions on the wall recombination probability of H atoms in a low pressure H2 positive column

    Article • Chemical Physics, June 1998, Elsevier

    Dr. Jayr Amorim

  82. Laser detection of CH2 in CH4–H2 mixture dc discharges

    Article • Journal of Applied Physics, October 1997, American Institute of Physics

    Dr. Jayr Amorim

  83. Experimental and theoretical study of dissociation in the positive column of a hydrogen glow discharge

    Article • Journal of Applied Physics, September 1997, American Institute of Physics

    Dr. Jayr Amorim

  84. Laser and Emission Spectroscopy in H2 and H2-N2 dc Discharges

    Article • Journal de Physique III, September 1996, EDP Sciences

    Dr. Jayr Amorim

  85. A spectroscopic study of active species in DC and HF flowing discharges in - and Ar - - mixtures

    Article • Plasma Sources Science and Technology, August 1996, Institute of Physics Publishing

    Dr. Jayr Amorim

  86. Absolute density measurements of ammonia synthetized in N2–H2 mixture discharges

    Article • Applied Physics Letters, April 1996, American Institute of Physics

    Dr. Jayr Amorim

  87. Production of N, H, and NH active species in N2-H2 dc flowing discharges

    Article • Plasma Chemistry and Plasma Processing, December 1995, Springer Science + Business Media

    Dr. Jayr Amorim

  88. On the use of actinometry to measure the dissociation in O 2 DC glow discharges: determination of the wall recombination probability

    Article • Journal of Physics D Applied Physics, September 1995, Institute of Physics Publishing

    Dr. Jayr Amorim

  89. Two‐photon laser induced fluorescence and amplified spontaneous emission atom concentration measurements in O2and H2discharges

    Article • Journal of Applied Physics, August 1994, American Institute of Physics

    Dr. Jayr Amorim

  90. High-density plasma mode of an inductively coupled radio frequency discharge

    Article • Journal of Vacuum Science & Technology B Microelectronics Processing and Phenomena, March 1991, American Vacuum Society

    Dr. Jayr Amorim