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Magnetization and electronic structure of FeAs layered material

Magnetic induction in the superconductor (B=H +4πM) in the zero field cooled samples (ZFC) is not equal to zero. Depending upon the chemical environment it has negative value in some and positive values in some others. In the field cooled samples, the magnetization becomes paramagnetic. We have calc...

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Main Authors: Noriza Ahmad Zabidi,, Hasan Abu Kassim,, Keshav N. Shrivastava,
Format: Article
Language:English
Published: Universiti Kebangsaan Malaysia 2011
Online Access:http://journalarticle.ukm.my/2469/1/14_Noriza.pdf
http://journalarticle.ukm.my/2469/
http://www.ukm.my/jsm/
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spelling my-ukm.journal.24692016-12-14T06:31:42Z http://journalarticle.ukm.my/2469/ Magnetization and electronic structure of FeAs layered material Noriza Ahmad Zabidi, Hasan Abu Kassim, Keshav N. Shrivastava, Magnetic induction in the superconductor (B=H +4πM) in the zero field cooled samples (ZFC) is not equal to zero. Depending upon the chemical environment it has negative value in some and positive values in some others. In the field cooled samples, the magnetization becomes paramagnetic. We have calculated the band structure of one layer of FeAs lattice with spin polarized as well as unpolarized orbitals as a function of doping by Li atoms. For n number of Li atoms (n=0, 1,…, 4), we calculated the band gap at all of the k-points as well as the Fermi energy. The reduced normal state gap was found to lead to superconductivity. Universiti Kebangsaan Malaysia 2011-02 Article PeerReviewed application/pdf en http://journalarticle.ukm.my/2469/1/14_Noriza.pdf Noriza Ahmad Zabidi, and Hasan Abu Kassim, and Keshav N. Shrivastava, (2011) Magnetization and electronic structure of FeAs layered material. Sains Malaysiana, 40 (2). pp. 177-180. ISSN 0126-6039 http://www.ukm.my/jsm/
institution Universiti Kebangsaan Malaysia
building Perpustakaan Tun Sri Lanang Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Kebangsaan Malaysia
content_source UKM Journal Article Repository
url_provider http://journalarticle.ukm.my/
language English
description Magnetic induction in the superconductor (B=H +4πM) in the zero field cooled samples (ZFC) is not equal to zero. Depending upon the chemical environment it has negative value in some and positive values in some others. In the field cooled samples, the magnetization becomes paramagnetic. We have calculated the band structure of one layer of FeAs lattice with spin polarized as well as unpolarized orbitals as a function of doping by Li atoms. For n number of Li atoms (n=0, 1,…, 4), we calculated the band gap at all of the k-points as well as the Fermi energy. The reduced normal state gap was found to lead to superconductivity.
format Article
author Noriza Ahmad Zabidi,
Hasan Abu Kassim,
Keshav N. Shrivastava,
spellingShingle Noriza Ahmad Zabidi,
Hasan Abu Kassim,
Keshav N. Shrivastava,
Magnetization and electronic structure of FeAs layered material
author_facet Noriza Ahmad Zabidi,
Hasan Abu Kassim,
Keshav N. Shrivastava,
author_sort Noriza Ahmad Zabidi,
title Magnetization and electronic structure of FeAs layered material
title_short Magnetization and electronic structure of FeAs layered material
title_full Magnetization and electronic structure of FeAs layered material
title_fullStr Magnetization and electronic structure of FeAs layered material
title_full_unstemmed Magnetization and electronic structure of FeAs layered material
title_sort magnetization and electronic structure of feas layered material
publisher Universiti Kebangsaan Malaysia
publishDate 2011
url http://journalarticle.ukm.my/2469/1/14_Noriza.pdf
http://journalarticle.ukm.my/2469/
http://www.ukm.my/jsm/
_version_ 1643735384916492288
score 13.211869

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