Spin Transport in a Submicron-sized Structure Using Vanadium Metal Masks

Title
Spin Transport in a Submicron-sized Structure Using Vanadium Metal Masks
Authors
한동석구현철이솔장준연한석희김은규엄종화
Keywords
Spin accumulation; Spin diffusion; Two-dimensional electron gas; Vanadium metal mask
Issue Date
2009-07
Publisher
Journal of the Korean Physical Society
Citation
VOL 55, NO 1, 207-211
Abstract
A new fabrication method to make a submicron-sized lateral spin-valve device is presented. In this method, magnetic patterns with nano-scaled channel lengths are implemented with Vanadium hard mask. For the non-local geometry, a R of 4 m is detected and for the local spin-valve geometry, magnetoresistance of 0.1% is obtained at T = 10 K. Due to the sharp magnetization switching of the flat ferromagnet, clear spin signal transitions between parallel and antiparallel alignments are observed. A quantitative analysis, including the spin-orbit interaction parameter, indicates the feasibility of spin transistor applications.
URI
http://pubs.kist.re.kr/handle/201004/35570
ISSN
0374-4884
Appears in Collections:
KIST Publication > Article
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