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Characteristics of a high temperature vertical spin valve

DSpace at IIT Bombay

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Field Value
 
Title Characteristics of a high temperature vertical spin valve
 
Creator BASU, D
KUM, H
BHATTACHARYA, P
SAHA, D
 
Subject tunnel-junctions
magnetoresistance
 
Description We demonstrate high temperature electrical spin injection and detection in degenerately p-doped GaAs in vertical spin valves using valence band electron tunneling. The maximum measured magnetoresistance at 10 and 300 K is 40% and similar to 1%, respectively. Spin relaxation in these devices was found to be relatively insensitive to temperature (T) for T> 125 K. The spin injection and detection efficiencies are mostly dominated by the ferromagnetic contact polarization and spin independent transport at the ferromagnet/semiconductor interface. (C) 2010 [doi:10.1063/1.3524820]
 
Publisher AMER INST PHYSICS
 
Date 2011-07-15T13:44:12Z
2011-12-26T12:49:31Z
2011-12-27T05:34:27Z
2011-07-15T13:44:12Z
2011-12-26T12:49:31Z
2011-12-27T05:34:27Z
2010
 
Type Article
 
Identifier APPLIED PHYSICS LETTERS, 97(23), -
0003-6951
http://dx.doi.org/10.1063/1.3524820
http://dspace.library.iitb.ac.in/xmlui/handle/10054/4294
http://hdl.handle.net/10054/4294
 
Language en