SPIN TRANSFER TORQUE SWITCHING AND PERPENDICULAR MAGNETIC ANISOTROPY IN FULL HEUSLER ALLOY Co2FeAl-BASED TUNNEL JUNCTIONS

被引：8
|
作者：
Sukegawa, H. [1 ]
Wen, Z. C. [1 ]
Kasai, S. [1 ]
Inomata, K. [1 ]
Mitani, S. [1 ,2 ]
机构：
[1] Natl Inst Mat Sci, 1-2-1 Sengen, Tsukuba, Ibaraki 3050047, Japan
[2] Univ Tsukuba, Grad Sch Pure & Appl Sci, Tsukuba, Ibaraki 3058577, Japan
来源：
SPIN | 2014年 / 4卷 / 04期
关键词：
Heusler alloy; magnetic tunnel junction; tunnel magnetoresistance; spin transfer torque; perpendicular magnetic anisotropy;
D O I：
10.1142/S2010324714400232
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Some of Co-based full Heusler alloys have remarkable properties in spintronics, that is, high spin polarization of conduction electrons and low magnetic damping. Owing to these properties, magnetic tunnel junctions (MTJs) using Co-based full Heusler alloys are potentially of particular importance for spintronic application such as magnetoresistive random access memories (MRAMs). Recently, we have first demonstrated spin transfer torque (STT) switching and perpendicular magnetic anisotropy (PMA), which are required for developing high-density MRAMs, in full-Heusler Co2FeAl alloy-based MTJs. In this review, the main results of the experimental demonstrations are shown with referring to related issues, and the prospect of MTJs using Heusler alloys is also discussed.
引用
收藏
页数：15
相关论文
共 50 条
  • [1] Spin-transfer switching in full-Heusler Co2FeAl-based magnetic tunnel junctions
    Sukegawa, Hiroaki
    Wen, Zhenchao
    Kondou, Kouta
    Kasai, Shinya
    Mitani, Seiji
    Inomata, Koichiro
    APPLIED PHYSICS LETTERS, 2012, 100 (18)
  • [2] Magnetic Tunnel Junctions with Perpendicular Anisotropy Using a Co2FeAl Full-Heusler Alloy
    Wen, Zhenchao
    Sukegawa, Hiroaki
    Kasai, Shinya
    Hayashi, Masamitsu
    Mitani, Seiji
    Inomata, Koichiro
    APPLIED PHYSICS EXPRESS, 2012, 5 (06)
  • [3] Tunnel Magnetoresistance and Spin-Transfer-Torque Switching in Polycrystalline Co2FeAl Full-Heusler-Alloy Magnetic Tunnel Junctions on Amorphous Si/SiO2 Substrates
    Wen, Zhenchao
    Sukegawa, Hiroaki
    Kasai, Shinya
    Inomata, Koichiro
    Mitani, Seiji
    PHYSICAL REVIEW APPLIED, 2014, 2 (02):
  • [4] Spin torque switching of 20 nm magnetic tunnel junctions with perpendicular anisotropy
    Gajek, M.
    Nowak, J. J.
    Sun, J. Z.
    Trouilloud, P. L.
    O'Sullivan, E. J.
    Abraham, D. W.
    Gaidis, M. C.
    Hu, G.
    Brown, S.
    Zhu, Y.
    Robertazzi, R. P.
    Gallagher, W. J.
    Worledge, D. C.
    APPLIED PHYSICS LETTERS, 2012, 100 (13)
  • [5] Spin transfer switching in TbCoFeCoFeBMgOCoFeBTbCoFe magnetic tunnel junctions with perpendicular magnetic anisotropy
    Nakayama, Masahiko
    Kai, Tadashi
    Shimomura, Naoharu
    Amano, Minoru
    Kitagawa, Eiji
    Nagase, Toshihiko
    Yoshikawa, Masatoshi
    Kishi, Tatsuya
    Ikegawa, Sumio
    Yoda, Hiroaki
    Journal of Applied Physics, 2008, 103 (07):
  • [6] Spin transfer torque switching assisted by thermally induced anisotropy reorientation in perpendicular magnetic tunnel junctions
    Bandiera, S.
    Sousa, R. C.
    de Castro, M. Marins
    Ducruet, C.
    Portemont, C.
    Auffret, S.
    Vila, L.
    Prejbeanu, I. L.
    Rodmacq, B.
    Dieny, B.
    APPLIED PHYSICS LETTERS, 2011, 99 (20)
  • [7] Bias dependence of spin transfer torque in Co2MnSi Heusler alloy based magnetic tunnel junctions
    Zhang, Jie
    Phung, Timothy
    Pushp, Aakash
    Ferrante, Yari
    Jeong, Jaewoo
    Rettner, Charles
    Hughes, Brian P.
    Yang, See-Hun
    Jiang, Yong
    Parkin, Stuart S. P.
    APPLIED PHYSICS LETTERS, 2017, 110 (17)
  • [8] Switching-current reduction in perpendicular-anisotropy spin torque magnetic tunnel junctions
    Heinonen, O. G.
    Dimitrov, D. V.
    JOURNAL OF APPLIED PHYSICS, 2010, 108 (01)
  • [9] Switching current density reduction in perpendicular magnetic anisotropy spin transfer torque magnetic tunneling junctions
    You, Chun-Yeol
    JOURNAL OF APPLIED PHYSICS, 2014, 115 (04)
  • [10] Field Dependence of Spin-Transfer Torque Switching Current in Perpendicular Magnetic Tunnel Junctions
    Cuchet, Lea
    Sousa, Ricardo C.
    Vila, Laurent
    Auffret, Stephane
    Rodmacq, Bernard
    Dieny, Bernard
    IEEE TRANSACTIONS ON MAGNETICS, 2014, 50 (11)
12345