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 …

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 …

Half-metalicity, mechanical, optical, thermodynamic, and thermoelectric properties of full Heusler alloys Co2TiZ (Z = Si; Ge; Sn)

MY Raïâ, R Masrour, M Hamedoun, J Kharbach… - Optical and Quantum …, 2023 - Springer
Abstract We have predicted Co2TiZ (Z= Si; Ge and Sn) full Heusler alloys are being a half-
metallic ferromagnet by the first-principle calculations using FPLAPW based on DFT. The …

Low-temperature (180° C) formation of large-grained Ge (111) thin film on insulator using accelerated metal-induced crystallization

K Toko, R Numata, N Oya, N Fukata, N Usami… - Applied physics …, 2014 - pubs.aip.org
K. Toko, R. Numata, N. Oya, N. Fukata, N. Usami, T. Suemasu; Low-temperature (180 C)
formation of large-grained Ge (111) thin film on insulator using accelerated metal-induced …

Highly (111)-oriented Ge thin films on insulators formed by Al-induced crystallization

K Toko, M Kurosawa, N Saitoh, N Yoshizawa… - Applied physics …, 2012 - pubs.aip.org
(111)-oriented Ge thin films on insulators are essential for advanced electronics and
photovoltaic applications. We investigate Al-induced crystallization of amorphous-Ge films …

Seebeck coefficients of half-metallic ferromagnets

B Balke, S Ouardi, T Graf, J Barth, CGF Blum… - Solid State …, 2010 - Elsevier
In this article the Co2 based Heusler compounds are discussed as potential materials for
spin voltage generation. The compounds were synthesized by arc melting and consequent …

Electrical and optical spin injection in ferromagnet/semiconductor heterostructures

T Taniyama, E Wada, M Itoh, M Yamaguchi - NPG Asia Materials, 2011 - nature.com
Spin-based electronics or 'spintronics' is a rapidly expanding research area that offers the
promise of surpassing the limits of conventional electrical charge-based semiconductor …

Control of magnetic properties of epitaxial MnGeC films induced by carbon doping

A Spiesser, I Slipukhina, MT Dau, E Arras… - Physical Review B …, 2011 - APS
We report the effects of carbon incorporation on the structural and magnetic properties of
epitaxial Mn 5 Ge 3 C x films grown on Ge (111) by the solid phase epitaxy method. This …

A lithiation/delithiation mechanism of monodispersed MSn 5 (M= Fe, Co and FeCo) nanospheres

F Xin, X Wang, J Bai, W Wen, H Tian… - Journal of Materials …, 2015 - pubs.rsc.org
A designed Sn based alloy host as a higher capacity and longer cycle life next generation
lithium-ion battery, consisting of monodisperse nanospheres of intermetallic MSn5 (M= Fe …

Positive linear magnetoresistance effect in disordered -type epitaxial films

K Kudo, A Masago, S Yamada, LSR Kumara, H Tajiri… - Physical Review B, 2021 - APS
The inverse Heusler alloy Mn 2 CoAl is known as a spin gapless semiconductor (SGS). It is
believed that the positive linear magnetoresistance (PLMR) effect observed at low …