Thermal electric effects in Fe|GaAs|Fe tunnel junctions

Thermal electric effects in Fe|GaAs|Fe tunnel junctions

We study the spin polarized thermoelectric effects on Fe|GaAs|Fe tunnel junction using a generalized Landauer-Büttiker formalism, where the energy flow is described on the same footing as the electric current. The Seebeck coefficient of tunnel junction will change sign as the GaAs thickness increase...

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Main Authors: Xintao Jia, Ke Xia
Format: Article
Language:English
Published: AIP Publishing LLC 2012-12-01
Series:AIP Advances
Online Access:http://dx.doi.org/10.1063/1.4773464
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spelling doaj-509ba7f8e0ae4e369d0d14e78b094c4f2020-11-25T00:40:28ZengAIP Publishing LLCAIP Advances2158-32262012-12-0124041411041411-910.1063/1.4773464010291ADVThermal electric effects in Fe|GaAs|Fe tunnel junctionsXintao Jia0Ke Xia1Department of Physics, Beijing Normal University, Beijing 100875, ChinaDepartment of Physics, Beijing Normal University, Beijing 100875, ChinaWe study the spin polarized thermoelectric effects on Fe|GaAs|Fe tunnel junction using a generalized Landauer-Büttiker formalism, where the energy flow is described on the same footing as the electric current. The Seebeck coefficient of tunnel junction will change sign as the GaAs thickness increases. We demonstrate the thermally induced STT on Fe|GaAs|Fe tunnel junction is robust against the interfacial defects and is non-negligible.http://dx.doi.org/10.1063/1.4773464
collection DOAJ
language English
format Article
sources DOAJ
author Xintao Jia
Ke Xia
spellingShingle Xintao Jia
Ke Xia
Thermal electric effects in Fe|GaAs|Fe tunnel junctions
AIP Advances
author_facet Xintao Jia
Ke Xia
author_sort Xintao Jia
title Thermal electric effects in Fe|GaAs|Fe tunnel junctions
title_short Thermal electric effects in Fe|GaAs|Fe tunnel junctions
title_full Thermal electric effects in Fe|GaAs|Fe tunnel junctions
title_fullStr Thermal electric effects in Fe|GaAs|Fe tunnel junctions
title_full_unstemmed Thermal electric effects in Fe|GaAs|Fe tunnel junctions
title_sort thermal electric effects in fe|gaas|fe tunnel junctions
publisher AIP Publishing LLC
series AIP Advances
issn 2158-3226
publishDate 2012-12-01
description We study the spin polarized thermoelectric effects on Fe|GaAs|Fe tunnel junction using a generalized Landauer-Büttiker formalism, where the energy flow is described on the same footing as the electric current. The Seebeck coefficient of tunnel junction will change sign as the GaAs thickness increases. We demonstrate the thermally induced STT on Fe|GaAs|Fe tunnel junction is robust against the interfacial defects and is non-negligible.
url http://dx.doi.org/10.1063/1.4773464
work_keys_str_mv AT xintaojia thermalelectriceffectsinfegaasfetunneljunctions
AT kexia thermalelectriceffectsinfegaasfetunneljunctions
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