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cond-mat.mes-hall2026
Hot-Carrier Distribution Spectroscopy by Transconductance in Two-Dimensional Field-Effect Transistors
Katsunori Wakabayashi
The transconductance of a field-effect transistor (FET) is conventionally read as a proxy for carrier density. We show that it is instead a spectroscopic probe of…
cond-mat.mes-hall2025★ 4 cited
Optically induced spin Hall current in Janus transition-metal dichalcogenides
Tomoaki Kameda, Katsunori Wakabayashi
Monolayer Janus transition-metal dichalcogenides (TMDCs), such as WSeTe, exhibit Rashba-type spin-orbit coupling (SOC) due to broken out-of-plane mirror symmetry. Here, we theoreti…