activity
20082026
most citedSuppression of phonon-mediated hot carrier relaxation in type-II InAs/AlAsSb quantum wells: a practical route to hot carrier solar cells

41 citations · 157 across the 12 of their papers we have counts for

collaborators

14 papers

physics.app-ph2026

Combined photoluminescence and electrical characterization of valley photovoltaic devices explained with an equivalent circuit

Daixi Xia, Abhinav S. Sharma, Andreas Pusch +9

We present an equivalent-circuit analysis that simultaneously considers the photoluminescence and electrical responses of valley photovoltaic devices. Valley photovoltaics (VPV) ar…

cond-mat.mes-hall2021

Non-equilibrium hot-carrier transport in type-II multiple-quantum wells for solar-cell applications

H. P. Piyathilaka, R. Sooriyagoda, V. R. Whiteside +4

Prototypes for hot-carrier solar cells based on type-II InAs/AlAsSb multiple quantum wells are examined for AC photoconductivity as a function of lattice temperature and photoexcit…

cond-mat.mes-hall2021★ 24 cited

Wigner solids of domain wall skyrmions

Kaifeng Yang, Katsumi Nagase, Yoshiro Hirayama +3

Detection and characterization of a different type of topological excitations, namely the domain wall (DW) skyrmion, has received increasing attention because the DW is ubiquitous…

cond-mat.mtrl-sci2021

Hot-carrier dynamics in InAs/AlAsSb multiple-quantum wells

Herath P. Piyathilaka, Rishmali Sooriyagoda, Hamidreza Esmaielpour +5

A type-II InAs/AlAsSb multiple-quantum well sample is investigated for the photoexcited carrier dynamics as a function of excitation photon energy and lattice tem…

cond-mat.mes-hall2019★ 3 cited

Pump-probe nuclear spin relaxation study of the quantum Hall ferromagnet at filling factor nu = 2

K. F. Yang, M. M. Uddin, K. Nagase +5

The nuclear spin-lattice relaxation time T1 of the nu = 2 quantum Hall ferromagnet (QHF) formed in a gate-controlled InSb two-dimensional electron gas has been characterized using…

cond-mat.mes-hall2019★ 1 cited

In-Plane Magnetoconductance Mapping of InSb Quantum Wells

J. T. Mlack, K. S. Wickramasinghe, T. D. Mishima +2

In-plane magnetoconductance of InSb quantum wells (QW) containing a two dimensional electron gas (2DEG) is presented. Using a vector magnet, we created a magnetoconductance map whi…