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cond-mat.mes-hall2025★ 1 cited
Intrinsic ultrafast edge photocurrent dynamics in WTe driven by broken crystal symmetry
Subhashri Chatterjee, Katsumasa Yoshioka, Taro Wakamura +2
Directional photocurrents in two-dimensional materials arise from broken crystal symmetry, offering pathways to high-speed, bias-free photodetection beyond conventional devices. Tu…
cond-mat.mes-hall2025
Super-diffusive sub-picosecond extraction of hot carriers in black phosphorous
Katsumasa Yoshioka, Taro Wakamura, Takuya Okamoto +1
Harvesting hot carriers before they lose energy to the lattice is a critical route toward surpassing the conventional thermodynamic limit in optical-to-electrical (O-E) conversion.…