Electrical Transport Properties and Spin Injection in Co2FeAl0.5Si0.5/GaAs Junctions

被引：8

作者：

Saito, Tatsuya ^{[1
]}

Tezuka, Nobuki ^{[1
]}

Sugimoto, Satoshi ^{[1
]}

机构：

[1] Tohoku Univ, Grad Sch Engn, Dept Mat Sci, Sendai, Miyagi 9808579, Japan

来源：

IEEE TRANSACTIONS ON MAGNETICS | 2011年 / 47卷 / 10期

基金：

日本科学技术振兴机构;

关键词：

Co2FeAl0.5Si0.5; full-Heusler alloy; spin injection; spintronics; RELAXATION; SILICON;

D O I：

10.1109/TMAG.2011.2153189

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We investigated the electrical transport properties in Co2FeAl0.5Si0.5 (CFAS)/GaAs junctions. From current density-voltage characteristics, the formation of a schottky tunnel barrier in the CFAS/GaAs interface was indicated. Moreover, junction resistance of 2 x 10(-9) Omega . m(2) which is adequate for high magnetoresistance ratio attributable to high spin injection efficiency was obtained. Comparing the bias dependencies of conductance with samples, which CFAS ordering is lower, indicated that L2(1) ordered CFAS contributes to electrical transport. Finally, the spin injection signal was observed with 3-terminal Hanle measurement, and spin relaxation time was estimated to be 380 ps at 5 K.

引用

页码：2447 / 2450

页数：4

共 50 条

[41] The Anomalous Hall Effect of Co2FeAl0.5Si0.5/Pt Multilayers with Perpendicular Magnetic Anisotropy
Wu, Yong
Zhang, Jie
Xiong, Qiang
Gao, Shan
Xu, Xiaoguang
Miao, Jun
He, Zhanbin
Jiang, Yong
APPLIED PHYSICS EXPRESS, 2013, 6 (11)
[42] Magnetic and structural depth profiles of Heusler alloy Co2FeAl0.5Si0.5 epitaxial films on Si(111)
Glover, Stephanie E.
Saerbeck, Thomas
Kuerbanjiang, Balati
Ghasemi, Arsham
Kepaptsoglou, Demie
Ramasse, Quentin M.
Yamada, Shinya
Hamaya, Kohei
Hase, Thomas P. A.
Lazarov, Vlado K.
Bell, Gavin R.
JOURNAL OF PHYSICS-CONDENSED MATTER, 2018, 30 (06)
[43] Investigating and engineering spin-orbit torques in heavy metal/Co2FeAl0.5Si0.5/MgO thin film structures
Loong, Li Ming
Deorani, Praveen
Qiu, Xuepeng
Yang, Hyunsoo
APPLIED PHYSICS LETTERS, 2015, 107 (02)
[44] Field and fluence dependences of laser-induced multiple spin-wave dynamics in Co2FeAl0.5Si0.5 films
Chen, Zhifeng
Xie, Zhikun
Li, Shufa
Zhou, Jielin
Zhang, Wei
Zhang, Chengyun
Peng, Jun
Chen, Jipei
Zhang, Bingzhi
JOURNAL OF APPLIED PHYSICS, 2020, 127 (23)
[45] Micromagnetic simulation of spin-transfer switching in a full-Heusler Co2FeAl0.5Si0.5 alloy spin-valve nanopillar
Huang, H. B.
Ma, X. Q.
Liu, Z. H.
Meng, F. Y.
Xiao, Z. H.
Wu, P. P.
Shi, S. Q.
Chen, L. Q.
JOURNAL OF APPLIED PHYSICS, 2011, 110 (03)
[46] Tunnel magnetoresistance for magnetic tunnel junctions with Co2FeAl0.5Si0.5 full Heusler electrodes fabricated by molecular beam epitaxy system
Tezuka, N.
Ikeda, N.
Mitsuhashi, F.
Sugimoto, S.
JOURNAL OF APPLIED PHYSICS, 2009, 105 (07)
[47] Tunnel magnetoresistance effect in magnetic tunnel junctions with epitaxial Co2FeAl0.5Si0.5 Heusler electrodes on MgO (110) single substrates
Tezuka, N.
Mitsuhashi, F.
Sugimoto, S.
JOURNAL OF APPLIED PHYSICS, 2012, 111 (07)
[48] Nuclear magnetic resonance study of thin Co2FeAl0.5Si0.5 Heusler films with varying thickness
Alfonsov, A.
Peters, B.
Yang, F. Y.
Buechner, B.
Wurmehl, S.
PHYSICAL REVIEW B, 2015, 91 (06)
[49] Crystal Structure and Spin Conduction Property of Co2FeAl0.5Si0.5 Full-Heusler Alloy Thin Films Deposited on Si Substrates
Yoshida, Masahiro
Onodera, Takashi
Tezuka, Nobuki
Sugimoto, Satoshi
Saito, Yoshiaki
JOURNAL OF THE JAPAN INSTITUTE OF METALS AND MATERIALS, 2013, 77 (03) : 85 - 88
[50] Local Lattice Distortion Effect on the Magnetic Ordering of the Heusler Alloy Co2FeAl0.5Si0.5 Film
Zhai, Min
Ye, Shuangli
Xia, Zhengcai
Liu, Feng
Qi, Chang
Shi, Xinzhi
Wang, Gaofeng
JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM, 2014, 27 (08) : 1861 - 1865

← 1 2 3 4 5 →