Hybrid spintronic materials: Growth, structure and properties

W Liu, PKJ Wong, Y Xu - Progress in Materials Science, 2019 - Elsevier
Spintronics is an emergent interdisciplinary topic for the studies of spin-based, other than or
in addition to charge-only-based physical phenomena. Since the discovery of giant …

Semiconductor spintronics with Co2-Heusler compounds

K Hamaya, M Yamada - MRS Bulletin, 2022 - Springer
Abstract Ferromagnetic Co2-Heusler compounds showing high spin polarization have been
utilized as spin injectors and detectors for III–V and Group-IV semiconductors. In this article …

Two-dimensional magnetic atomic crystals

S Zhang, H Wu, L Yang, G Zhang, Y Xie, L Zhang… - Materials …, 2022 - pubs.rsc.org
Two-dimensional (2D) magnetic crystals show many fascinating physical properties and
have potential device applications in many fields. In this paper, the preparation, physical …

Spin transport and relaxation in germanium

K Hamaya, Y Fujita, M Yamada… - Journal of Physics D …, 2018 - iopscience.iop.org
This paper reviews the recent progress in germanium (Ge) spintronics on the basis of the
electrical spin injection from ferromagnets (FM), where Ge is a next generation …

Spin Transport and Relaxation up to 250 K in Heavily Doped -Type Ge Detected Using Electrodes

Y Fujita, M Yamada, M Tsukahara, T Oka, S Yamada… - Physical Review …, 2017 - APS
To achieve spin transport in heavily doped n-type Ge (n+-type Ge) in the high-temperature
range (T≥ 130 K), we examine the growth of highly spin-polarized Co 2 FeAl 0.5 Si 0.5 …

Greatly enhanced generation efficiency of pure spin currents in Ge using Heusler compound Co2FeSi electrodes

K Kasahara, Y Fujita, S Yamada, K Sawano… - Applied Physics …, 2014 - iopscience.iop.org
We show nonlocal spin transport in n-Ge-based lateral spin-valve devices with highly
ordered Co 2 FeSi/n+-Ge Schottky tunnel contacts. Clear spin-valve signals and Hanle effect …

Temperature-independent spin relaxation in heavily doped -type germanium

Y Fujita, M Yamada, S Yamada, T Kanashima… - Physical Review B, 2016 - APS
We experimentally study the spin relaxation mechanism in heavily doped n-type germanium
(Ge) layers by electrically detecting pure spin current transport. The spin diffusion length (λ …

Improvement of magnetic and structural stabilities in high-quality Co2FeSi1− xAlx/Si heterointerfaces

S Yamada, K Tanikawa, S Oki, M Kawano… - Applied Physics …, 2014 - pubs.aip.org
We study high-quality Co 2 FeSi 1− x Al x Heusler compound/Si (0≤ x≤ 1) heterointerfaces
for silicon (Si)-based spintronic applications. In thermal treatment conditions, the magnetic …

Spin injection and magnetoresistance in MoS2-based tunnel junctions using Fe3Si Heusler alloy electrodes

W Rotjanapittayakul, W Pijitrojana, T Archer… - Scientific reports, 2018 - nature.com
Recently magnetic tunnel junctions using two-dimensional MoS2 as nonmagnetic spacer
have been fabricated, although their magnetoresistance has been reported to be quite low …

Spin-dependent electrical hole extraction from low doped p-Si via the interface states in a Fe3Si/p-Si structure

AS Tarasov, AV Lukyanenko, MV Rautskii… - Semiconductor …, 2019 - iopscience.iop.org
Spin accumulation effect in Fe 3 Si/p-Si structure with low boron doped silicon substrate was
found. Calculated spin lifetimes are comparable with results reported earlier but for …