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Shift of band gap from direct to indirect and optical response of lif under pressure

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Main Authors: Sajid, A., Murtaza, Ghulam, Ali Hussain, Reshak, Prof.Dr.
Other Authors: murtaza@icp.edu.pk
Format: Article
Language:English
Published: World Scientific Publishing Co. Pte Ltd 2014
Subjects:
Band structure
DFT
Hydrostatic pressure
Lithium fluoride
Optical properties
Online Access:http://dspace.unimap.edu.my:80/dspace/handle/123456789/35712
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spelling my.unimap-357122014-06-19T07:51:52Z Shift of band gap from direct to indirect and optical response of lif under pressure Sajid, A. Murtaza, Ghulam Ali Hussain, Reshak, Prof.Dr. murtaza@icp.edu.pk maalidph@yahoo.co.uk Band structure DFT Hydrostatic pressure Lithium fluoride Optical properties Link to publisher's homepage at http://www.worldscientific.com/ We hereby are reporting the transition pressure at which lithium fluoride (LiF) compound transforms from direct band gap to indirect band gap insulator on the basis of FP-LAPW calculations. The fundamental band gap of LiF compound suffers direct to indirect transition at a pressure of 70 GPa. The study of the pressure effect on the optical properties e.g. dielectric function, reflectivity, refractive index and optical conductivity of LiF in the pressure between 0-100 GPa, shows that this pressure range is very critical for LiF compound as there are significant changes in the optical properties of this compound. 2014-06-19T07:51:52Z 2014-06-19T07:51:52Z 2013-04 Article Modern Physics Letters B, vol. 27(9), 2013, pages 1-9 0217-9849 (Print) 1793-6640 (Online) http://www.worldscientific.com/doi/abs/10.1142/S0217984913500619?queryID=3%2F20471 http://dspace.unimap.edu.my:80/dspace/handle/123456789/35712 10.1142/S0217984913500619 en World Scientific Publishing Co. Pte Ltd
institution Universiti Malaysia Perlis
building UniMAP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Perlis
content_source UniMAP Library Digital Repository
url_provider http://dspace.unimap.edu.my/
language English
topic Band structure
DFT
Hydrostatic pressure
Lithium fluoride
Optical properties
spellingShingle Band structure
DFT
Hydrostatic pressure
Lithium fluoride
Optical properties
Sajid, A.
Murtaza, Ghulam
Ali Hussain, Reshak, Prof.Dr.
Shift of band gap from direct to indirect and optical response of lif under pressure
description Link to publisher's homepage at http://www.worldscientific.com/
author2 murtaza@icp.edu.pk
author_facet murtaza@icp.edu.pk
Sajid, A.
Murtaza, Ghulam
Ali Hussain, Reshak, Prof.Dr.
format Article
author Sajid, A.
Murtaza, Ghulam
Ali Hussain, Reshak, Prof.Dr.
author_sort Sajid, A.
title Shift of band gap from direct to indirect and optical response of lif under pressure
title_short Shift of band gap from direct to indirect and optical response of lif under pressure
title_full Shift of band gap from direct to indirect and optical response of lif under pressure
title_fullStr Shift of band gap from direct to indirect and optical response of lif under pressure
title_full_unstemmed Shift of band gap from direct to indirect and optical response of lif under pressure
title_sort shift of band gap from direct to indirect and optical response of lif under pressure
publisher World Scientific Publishing Co. Pte Ltd
publishDate 2014
url http://dspace.unimap.edu.my:80/dspace/handle/123456789/35712
_version_ 1643797883050262528
score 13.214268

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