The energy band structure of AxFe2Se2 (A = K, Rb) superconductors

The energy band structure of AxFe2Se2 (A = K, Rb) superconductors

We study the band structure of antiferromagnetic AxFe2Se2 (A = K, Rb) superconductors by using first-principles electronic structure calculations which is density functional theory. In the vicinity of iron-vacancy, we identify the valence electrons of AxFe2Se2 will be filled up to the Fermi level an...

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Main Authors: N.A., Zabidi, M.Z., Azhan, A.N., Rosli, K.N, Shrivastava
Format: Conference Paper
Language:en_US
Published: American Institute of Physics Inc. 2015
Subjects:
band structure
density-functional theory
iron-pnictide
Superconductivity
Online Access:http://ddms.usim.edu.my/handle/123456789/9254
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Institution: Universiti Sains Islam Malaysia
Language: en_US
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spelling my.usim-92542015-08-26T06:28:33Z The energy band structure of AxFe2Se2 (A = K, Rb) superconductors N.A., Zabidi, M.Z., Azhan, A.N., Rosli, K.N, Shrivastava, band structure density-functional theory iron-pnictide Superconductivity We study the band structure of antiferromagnetic AxFe2Se2 (A = K, Rb) superconductors by using first-principles electronic structure calculations which is density functional theory. In the vicinity of iron-vacancy, we identify the valence electrons of AxFe2Se2 will be filled up to the Fermi level and no semiconducting gap is observed. Hence, the AxFe2Se2 is a metallic instead of semiconducting which leads to superconductivity in the orbital-selective Mott phase. Similarly, there is non-vanishing density of states at the Fermi level. © 2014 AIP Publishing LLC. 2015-08-26T06:28:33Z 2015-08-26T06:28:33Z 2014-01-01 Conference Paper 9780-7354-1220-0 0094-243X http://ddms.usim.edu.my/handle/123456789/9254 en_US American Institute of Physics Inc.
institution Universiti Sains Islam Malaysia
building USIM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universit Sains Islam i Malaysia
content_source USIM Institutional Repository
url_provider http://ddms.usim.edu.my/
language en_US
topic band structure
density-functional theory
iron-pnictide
Superconductivity
spellingShingle band structure
density-functional theory
iron-pnictide
Superconductivity
N.A., Zabidi,
M.Z., Azhan,
A.N., Rosli,
K.N, Shrivastava,
The energy band structure of AxFe2Se2 (A = K, Rb) superconductors
description We study the band structure of antiferromagnetic AxFe2Se2 (A = K, Rb) superconductors by using first-principles electronic structure calculations which is density functional theory. In the vicinity of iron-vacancy, we identify the valence electrons of AxFe2Se2 will be filled up to the Fermi level and no semiconducting gap is observed. Hence, the AxFe2Se2 is a metallic instead of semiconducting which leads to superconductivity in the orbital-selective Mott phase. Similarly, there is non-vanishing density of states at the Fermi level. © 2014 AIP Publishing LLC.
format Conference Paper
author N.A., Zabidi,
M.Z., Azhan,
A.N., Rosli,
K.N, Shrivastava,
author_facet N.A., Zabidi,
M.Z., Azhan,
A.N., Rosli,
K.N, Shrivastava,
author_sort N.A., Zabidi,
title The energy band structure of AxFe2Se2 (A = K, Rb) superconductors
title_short The energy band structure of AxFe2Se2 (A = K, Rb) superconductors
title_full The energy band structure of AxFe2Se2 (A = K, Rb) superconductors
title_fullStr The energy band structure of AxFe2Se2 (A = K, Rb) superconductors
title_full_unstemmed The energy band structure of AxFe2Se2 (A = K, Rb) superconductors
title_sort energy band structure of axfe2se2 (a = k, rb) superconductors
publisher American Institute of Physics Inc.
publishDate 2015
url http://ddms.usim.edu.my/handle/123456789/9254
_version_ 1645152574211358720

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