Cited 3 time in webofscience Cited 3 time in scopus

Thermal spin injection and accumulation in CoFe/MgO tunnel contacts to n-type Si through Seebeck spin tunneling

Title
Thermal spin injection and accumulation in CoFe/MgO tunnel contacts to n-type Si through Seebeck spin tunneling
Authors
Jeon, KR[Jeon, Kun-Rok]Min, BC[Min, Byoung-Chul]Park, SY[Park, Seung-Young]Lee, KD[Lee, Kyeong-Dong]Song, HS[Song, Hyon-Seok]Park, YH[Park, Youn-Ho]Shin, SC[Shin, Sung-Chul]
DGIST Authors
Shin, SC[Shin, Sung-Chul]
Issue Date
2013-09-30
Citation
Applied Physics Letters, 103(14)
Type
Article
Article Type
Article
Keywords
Electron Transport PropertiesHanle EffectsHeating PowerOceanographyQuantitative ComparisonSiliconSpin-AccumulationsSpin InjectionSpin TunnelingThermal GradientsThermally InducedTunnel Contacts
ISSN
0003-6951
Abstract
We report the thermal spin injection and accumulation in crystalline CoFe/MgO tunnel contacts to n-type Si through Seebeck spin tunneling (SST). With the Joule heating (laser heating) of Si (CoFe), the thermally induced spin accumulation is detected by means of the Hanle effect for both polarities of the temperature gradient across the tunnel contact. The magnitude of the thermal spin signal scales linearly with the heating power, and its sign is reversed as we invert the temperature gradient, demonstrating the major features of SST and thermal spin accumulation. Based on a quantitative comparison of the thermal and electrical spin signals, the thermal spin injection through SST is suggested as an effective route to inject the spin accumulation. © 2013 AIP Publishing LLC.
URI
http://hdl.handle.net/20.500.11750/2420
DOI
10.1063/1.4823540
Publisher
American Institute of Physics Publishing
Files:
There are no files associated with this item.
Collection:
Emerging Materials ScienceETC1. Journal Articles


qrcode mendeley

Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.

BROWSE