Spin injection and detection in In0.53Ga0.47As nanomembrane channels transferred onto Si substrates

Title
Spin injection and detection in In0.53Ga0.47As nanomembrane channels transferred onto Si substrates
Authors
양윤석엄두승이영수신재균장준연구현철고현협김형준
Keywords
spin injection(detection); InGaAs channel; epitaxial transfer; Si substrate
Issue Date
2014-09
Publisher
Applied Physics Express
Citation
VOL 7, NO 9, 093004-1-093004-4
Abstract
We investigate the electrical spin injection and detection in In0.53Ga0.47As nanomembranes, which are originally grown on InP substrates and subsequently heterogeneously integrated on SiO2/Si substrates via a transfer printing technique. Through local and nonlocal spin valve measurements employing the In0.53Ga0.47As nanomembrane channels on SiO2/Si substrates, we successfully observe the electrical detection of spin injection from Ni81Fe19 ferromagnetic metal electrodes into the channels. Furthermore, nonlocal spin valve signals are detected up to T = 300 K without mixing with anisotropic magnetoresistance, which is evidently verified by observing a memory effect.
URI
http://pubs.kist.re.kr/handle/201004/48087
ISSN
18820778
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KIST Publication > Article
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