Zobrazeno 1 - 10
of 42
pro vyhledávání: '"Amit Kumar"'
Publikováno v:
AIP Advances, Vol 14, Iss 2, Pp 025136-025136-8 (2024)
In this paper, we investigate the impact of an external magnetic field on the Weibel instability driven by temperature anisotropy in a magnetized plasma. The study provides the influence of electron temperature anisotropy, considering both cold as we
Externí odkaz:
https://doaj.org/article/289469c96fbb4a2ba74b1ca7834c2fc8
Autor:
Amit Kumar Choudhary, Dominic Hohs, Andreas Jansche, Timo Bernthaler, Dagmar Goll, Gerhard Schneider
Publikováno v:
AIP Advances, Vol 14, Iss 1, Pp 015060-015060-9 (2024)
14:2:1 phases enable permanent magnets with excellent magnetic properties. From an application viewpoint, saturation polarization, Curie temperature, and anisotropy constant are important parameters for the magnetic 14:2:1 phases. Novel chemical comp
Externí odkaz:
https://doaj.org/article/413cfb7453ab4bfaa38fe9002b01d49f
Autor:
Amit Kumar Choudhary, Anoop Kini, Dominic Hohs, Andreas Jansche, Timo Bernthaler, Orsolya Csiszár, Dagmar Goll, Gerhard Schneider
Publikováno v:
AIP Advances, Vol 13, Iss 3, Pp 035112-035112-8 (2023)
The TM14RE2B-based phases (TM = transition metal, RE = rare earth metal; hereafter called 14:2:1) enable permanent magnets with outstanding magnetic properties. Novel chemical compositions that represent new 14:2:1 phases necessitate that they do not
Externí odkaz:
https://doaj.org/article/f71376f015db4e899a57be5834753a3d
Publikováno v:
AIP Advances, Vol 12, Iss 6, Pp 065013-065013-8 (2022)
The Weibel instability due to temperature anisotropy of electrons and ions in a plasma in the presence of cold and warm ions is reported. Numerical calculations of the normalized growth rate are carried out when the frequency of electromagnetic waves
Externí odkaz:
https://doaj.org/article/98d69d29b80a482f82a9943f374b5230
Publikováno v:
AIP Advances, Vol 12, Iss 3, Pp 035026-035026-9 (2022)
In this article, the effect of dust charge fluctuations on the parametric upconversion of a lower hybrid wave into an ion cyclotron wave and a side band wave in a two-ion species tokamak plasma is studied. When the oscillatory velocity of plasma elec
Externí odkaz:
https://doaj.org/article/3a82551a95454eaea1ffdb3c103736d0
Publikováno v:
AIP Advances, Vol 11, Iss 11, Pp 115022-115022-7 (2021)
The effect of fluctuations of dust grains on the parametric up conversion of lower hybrid waves into a whistler wave in a complex plasma is studied. In a complex plasma, which contains ambient magnetic field, the lower hybrid pump possessing a large
Externí odkaz:
https://doaj.org/article/487728ab4bc94c94b34186f0ec77ff01
Publikováno v:
AIP Advances, Vol 11, Iss 1, Pp 015239-015239-5 (2021)
We have investigated the structural and magnetization properties of the nanocrystalline Pr0.7Ba0.2Ca0.1MnO3 sample, synthesized using the sol–gel method. The Rietveld refinement of the X-ray diffraction pattern of the nanocrystalline sample (record
Externí odkaz:
https://doaj.org/article/effb98e4d5214ebd9b24805454ac1f60
Autor:
Aniket Rana, Amit Kumar, Md. Wazedur Rahman, Nikita Vashistha, Kuldeep K. Garg, Sandeep Pandey, Nanda Gopal Sahoo, Suresh Chand, Rajiv K. Singh
Publikováno v:
AIP Advances, Vol 8, Iss 12, Pp 125121-125121-9 (2018)
The quality performance analysis of any solar cell can only be predicted through the parameters extracted from its current-voltage characteristics. Herein, we demonstrate an efficient analytical method to calculate the series resistance of organic so
Externí odkaz:
https://doaj.org/article/afca858e08304896a62f4109772a7a8c
Autor:
Bipin Kumar Gupta, Garima Kedawat, Amit Kumar Gangwar, Kanika Nagpal, Pradeep Kumar Kashyap, Shubhda Srivastava, Satbir Singh, Pawan Kumar, Sachin R. Suryawanshi, Deok Min Seo, Prashant Tripathi, Mahendra A. More, O. N. Srivastava, Myung Gwan Hahm, Dattatray J. Late
Publikováno v:
AIP Advances, Vol 8, Iss 1, Pp 015117-015117-8 (2018)
The vertical aligned carbon nanotubes (CNTs)-based pillar architectures were created on laminated silicon oxide/silicon (SiO2/Si) wafer substrate at 775 °C by using water-assisted chemical vapor deposition under low pressure process condition. The l
Externí odkaz:
https://doaj.org/article/1ea83c63e85d4b0c94ee5397cbfd0b4b
Publikováno v:
AIP Advances, Vol 7, Iss 4, Pp 045110-045110-16 (2017)
A comparative study of current-voltage characteristics and ferroelectric properties of polyvinylidene fluoride (PVDF) based nanocomposite films with pure multiwall carbon nanotubes (MWCNTs) and surface functionalized MWCNTs by different type of funct
Externí odkaz:
https://doaj.org/article/d893cc5e21ac4b71a5a1c76974a93f7e