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A. R. Niknam
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Journal Articles

Atomistic-scale simulation of the thinning process of multilayer graphene with low-energy helium plasma

Open Access
M. Hatami, A. R. Niknam
Journal: Physics of Plasmas
Phys. Plasmas 32, 053901 (2025)
https://doi.org/10.1063/5.0259818
Published: May 2025
View articletitled, Atomistic-scale simulation of the thinning process of multilayer graphene with low-energy helium plasma
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Journal Articles

Numerical analysis of nitrogen adsorption and penetration depth in plasma-nitrided austenitic stainless steel 316: A crystallographic orientation study

Open Access
J. Taghinejad, M. Vejdanihemmat, A. R. Niknam
Journal: AIP Advances
AIP Advances 15, 045027 (2025)
https://doi.org/10.1063/5.0260707
Published: April 2025
View articletitled, Numerical analysis of nitrogen adsorption and penetration depth in plasma-nitrided austenitic stainless steel 316: A crystallographic orientation study
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Journal Articles

Atomistic-scale simulation of multilayer graphene etching induced by Hx+ (x = 1−3) ions irradiation in hydrogen plasma

Open Access
M. Hatami, A. R. Niknam
Journal: Journal of Applied Physics
J. Appl. Phys. 136, 203301 (2024)
https://doi.org/10.1063/5.0230734
Published: November 2024
View articletitled, Atomistic-scale simulation of multilayer graphene etching induced by Hx+ (x = 1−3) ions irradiation in hydrogen plasma
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Journal Articles

Free-burning arc discharge simulation: The self-induced magnetic field analysis and its effect on arc plasma characteristics

Open Access
D. Komaizi, A. R. Niknam
Journal: AIP Advances
AIP Advances 14, 065116 (2024)
https://doi.org/10.1063/5.0216276
Published: June 2024
View articletitled, Free-burning arc discharge simulation: The self-induced magnetic field analysis and its effect on arc plasma characteristics
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Journal Articles

Negative-energy longitudinal wave instability in the interaction of relativistic electron beam with ultra-relativistic hot plasma

Open Access
S. Ghaderinasab, S. M. Khorashadizadeh, R. Fallah, A. R. Niknam
Journal: Physics of Plasmas
Phys. Plasmas 31, 052107 (2024)
https://doi.org/10.1063/5.0197253
Published: May 2024
View articletitled, Negative-energy longitudinal wave instability in the interaction of relativistic electron beam with ultra-relativistic hot plasma
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Journal Articles

Hybrid finite-volume–finite-element scheme for 3D simulation of thermal plasma arc configuration

Open Access
D. Komaizi, A. R. Niknam
Journal: AIP Advances
AIP Advances 14, 015141 (2024)
https://doi.org/10.1063/5.0167927
Published: January 2024
View articletitled, Hybrid finite-volume–finite-element scheme for 3D simulation of thermal plasma arc configuration
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Journal Articles

Numerical study of electron acceleration driven by two-color laser pulses

Open Access
J. Sharifzadeh Tabrizi, S. M. Khorashadizadeh, R. Fallah, A. R. Niknam
Journal: AIP Advances
AIP Advances 13, 045221 (2023)
https://doi.org/10.1063/5.0140834
Published: April 2023
View articletitled, Numerical study of electron acceleration driven by two-color laser pulses
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Journal Articles

Excitation and enhancement of wakefield by beating of two laser beams in a preformed plasma channel: An analytical study

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M. Arefnia, M. Ghorbanalilu, A. R. Niknam
Journal: Physics of Plasmas
Phys. Plasmas 29, 072305 (2022)
https://doi.org/10.1063/5.0096499
Published: July 2022
View articletitled, Excitation and enhancement of wakefield by beating of two laser beams in a preformed plasma channel: An analytical study
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Journal Articles

Electron-exchange and correlation effects on filamentation instability of a high-density current-driven plasma

Available to Purchase
M. R. Taghadosi, A. R. Niknam, S. M. Khorashadizadeh
Journal: Physics of Plasmas
Phys. Plasmas 27, 032113 (2020)
https://doi.org/10.1063/1.5124804
Published: March 2020
View articletitled, Electron-exchange and correlation effects on filamentation instability of a high-density current-driven plasma
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Journal Articles

Amplitude enhancement of plasma wakefield by interaction of relativistic Gaussian electron beam with inhomogeneous magnetized plasma

Open Access
J. Sharifzadeh Tabrizi, S. M. Khorashadizadeh, R. Fallah, A. R. Niknam
Journal: AIP Advances
AIP Advances 10, 015330 (2020)
https://doi.org/10.1063/1.5133108
Published: January 2020
View articletitled, Amplitude enhancement of plasma wakefield by interaction of relativistic Gaussian electron beam with inhomogeneous magnetized plasma
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Journal Articles

Simulation of thermoacoustic resonance response of tumor by finite element method

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S. Alikhani, M. A. Ansari, A. R. Niknam
Journal: Journal of Applied Physics
J. Appl. Phys. 126, 174701 (2019)
https://doi.org/10.1063/1.5096330
Published: November 2019
View articletitled, Simulation of thermoacoustic resonance response of tumor by finite element method
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Journal Articles

Interaction of counterstreaming rotating electron-positron beams with inhomogeneous electron-ion plasma

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S. Abbasi, S. M. Khorashadizadeh, A. R. Niknam
Journal: Physics of Plasmas
Phys. Plasmas 26, 092107 (2019)
https://doi.org/10.1063/1.5124397
Published: September 2019
View articletitled, Interaction of counterstreaming rotating electron-positron beams with inhomogeneous electron-ion plasma
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Journal Articles

Dissipative instability of longitudinal wave in interaction between spiral electron beam and warm collisional magnetized plasma

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M. Jouhary, S. M. Khorashadizadeh, M. Barati Moqadam Niyat, A. R. Niknam
Journal: Physics of Plasmas
Phys. Plasmas 25, 112108 (2018)
https://doi.org/10.1063/1.5048239
Published: November 2018
View articletitled, Dissipative instability of longitudinal wave in interaction between spiral electron beam and warm collisional magnetized plasma
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Journal Articles

Thermal effects on longitudinal waves instabilities in rotating beam-plasma interaction

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M. Jouhary, S. M. Khorashadizadeh, A. R. Niknam
Journal: Physics of Plasmas
Phys. Plasmas 25, 032118 (2018)
https://doi.org/10.1063/1.5012571
Published: March 2018
View articletitled, Thermal effects on longitudinal waves instabilities in rotating beam-plasma interaction
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Journal Articles

Atomistic simulation of femtosecond laser pulse interactions with a copper film: Effect of dependency of penetration depth and reflectivity on electron temperature

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A. Amouye Foumani, A. R. Niknam
Journal: Journal of Applied Physics
J. Appl. Phys. 123, 043106 (2018)
https://doi.org/10.1063/1.5009501
Published: January 2018
View articletitled, Atomistic simulation of femtosecond laser pulse interactions with a copper film: Effect of dependency of penetration depth and reflectivity on electron temperature
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Journal Articles

Effect of gas mixing on physical properties of warm collisional helicon plasmas

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M. Kabir, A. R. Niknam
Journal: Physics of Plasmas
Phys. Plasmas 24, 103525 (2017)
https://doi.org/10.1063/1.4986870
Published: October 2017
View articletitled, Effect of gas mixing on physical properties of warm collisional helicon plasmas
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Journal Articles

Nonlinear space charge dynamics and modulational instability in the interaction of intense laser pulses with electron-positron plasmas

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M. Hashemzadeh, A. R. Niknam
Journal: Physics of Plasmas
Phys. Plasmas 24, 062102 (2017)
https://doi.org/10.1063/1.4984993
Published: June 2017
View articletitled, Nonlinear space charge dynamics and modulational instability in the interaction of intense laser pulses with electron-positron plasmas
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Journal Articles

Modification of electromagnetic fields and plasma resistance by thermal effects in helicon plasmas

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M. Kabir, A. R. Niknam
Journal: Physics of Plasmas
Phys. Plasmas 24, 053511 (2017)
https://doi.org/10.1063/1.4983044
Published: May 2017
View articletitled, Modification of electromagnetic fields and plasma resistance by thermal effects in helicon plasmas
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Journal Articles

Analytical study of effects of positron density and temperature anisotropy on electrostatic ion cyclotron instability

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M. Barati Moqadam Niyat, S. M. Khorashadizadeh, A. R. Niknam
Journal: Physics of Plasmas
Phys. Plasmas 24, 032103 (2017)
https://doi.org/10.1063/1.4977803
Published: March 2017
View articletitled, Analytical study of effects of positron density and temperature anisotropy on electrostatic ion cyclotron instability
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Journal Articles

Wakefield evolution and electron acceleration in interaction of frequency-chirped laser pulse with inhomogeneous plasma

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M. Rezaei-Pandari, A. R. Niknam, R. Massudi, F. Jahangiri, H. Hassaninejad, S. M. Khorashadizadeh
Journal: Physics of Plasmas
Phys. Plasmas 24, 023112 (2017)
https://doi.org/10.1063/1.4976127
Published: February 2017
View articletitled, Wakefield evolution and electron acceleration in interaction of frequency-chirped laser pulse with inhomogeneous plasma
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