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 …
electrical spin injection from ferromagnets (FM), where Ge is a next generation …
Observation of large unidirectional Rashba magnetoresistance in Ge (111)
Relating magnetotransport properties to specific spin textures at surfaces or interfaces is an
intense field of research nowadays. Here, we investigate the variation of the electrical …
intense field of research nowadays. Here, we investigate the variation of the electrical …
Spin-charge interconversion in heterostructures based on group-IV semiconductors
Spin-charge interconversion phenomena are ubiquitous in solid-state physics and represent
a powerful tool to investigate spin transport in metals, semiconductors and …
a powerful tool to investigate spin transport in metals, semiconductors and …
Effect of Strain on Room-Temperature Spin Transport in
T Naito, M Yamada, Y Wagatsuma, K Sawano… - Physical Review …, 2022 - APS
We report a strain effect on spin transport in semiconductors that exhibit Ge-like conduction
bands at room temperature. Using four-terminal nonlocal spin-transport measurements in …
bands at room temperature. Using four-terminal nonlocal spin-transport measurements in …
Room-temperature two-terminal magnetoresistance ratio reaching 0.1% in semiconductor-based lateral devices with L21-ordered Co2MnSi
K Kudo, M Yamada, S Honda, Y Wagatsuma… - Applied Physics …, 2021 - pubs.aip.org
We report on the highest two-terminal magnetoresistance (MR) ratio at room temperature in
semiconductor-based lateral spin-valve devices. From first-principles calculations, we …
semiconductor-based lateral spin-valve devices. From first-principles calculations, we …
Suppression of Donor-Driven Spin Relaxation in Strained
T Naito, M Yamada, S Yamada, K Sawano… - Physical Review Applied, 2020 - APS
We experimentally study the strain effect on electron spin relaxation in a semiconductor
using nonlocal spin-transport measurements in lateral spin-valve devices. Application of in …
using nonlocal spin-transport measurements in lateral spin-valve devices. Application of in …
Tuning spin-charge interconversion with quantum confinement in ultrathin bismuth films
Spin-charge interconversion (SCI) phenomena have attracted a growing interest in the field
of spintronics as a means to detect spin currents or manipulate the magnetization of …
of spintronics as a means to detect spin currents or manipulate the magnetization of …
Helicity dependent photoresistance measurement vs. beam-shift thermal gradient
Optical detection techniques are among the most powerful methods used to characterize
spintronic phenomena. The spin orientation can affect the light polarization, which, by the …
spintronic phenomena. The spin orientation can affect the light polarization, which, by the …
Non-local electrical spin injection and detection in germanium at room temperature
Non-local carrier injection/detection schemes lie at the very foundation of information
manipulation in integrated systems. This paradigm consists in controlling with an external …
manipulation in integrated systems. This paradigm consists in controlling with an external …
Spin orbitronics at a topological insulator-semiconductor interface
Topological insulators (TIs) hold great promise for new spin-related phenomena and
applications thanks to the spin texture of their surface states. However, a versatile platform …
applications thanks to the spin texture of their surface states. However, a versatile platform …