THE TEMPERATURE PROPERTIES OF THIN FILM PIEZOELECTRIC MATERIALS

Based on quantum transport theory, we analysis the temperature dependence of optical quantum transition line shapes (QTLS) of GaAs and CdS in some temperatures, through the numerical analysis of theoretical result. We study the thermal properties of electron-piezoelectric phonon interacting system i...

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Bibliographic Details
Published in:Integrated ferroelectrics 2008-01, Vol.99 (1), p.41-59
Main Authors: JOUNG-YOUNG, SUG, SU-HO, LEE, JUN-YONG, CHOI, SOON-CHEOL, PARK, JU-HYUN, YOO, GEON, SA-GONG
Format: Article
Language:English
Subjects:
electron phonon coupling system
Equilibrium Average Projection Scheme (EAPS)
projected Liouville equation method
quantum transport theory
response formula and the scattering factor formula
the quantum transition line shapes(QTLS) and the quantum transition Line Widths (QTLW)
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Summary:Based on quantum transport theory, we analysis the temperature dependence of optical quantum transition line shapes (QTLS) of GaAs and CdS in some temperatures, through the numerical analysis of theoretical result. We study the thermal properties of electron-piezoelectric phonon interacting system in the confinement of electrons by square well confinement potential. In order to analysis the quantum transition process, we compare the temperature dependence of the QTLW and the QTLS of two transition process, which are the phonon emission transition process and the phonon absorption transition process. We use the theory of the projected Liouville equation method with Equilibrium Average Projection Scheme (EAPS).
ISSN:1058-4587
1607-8489
DOI:10.1080/10584580802107551