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20002026
most citedTunable Schottky barrier and high responsivity in graphene/Si-nanotip optoelectronic device

170 citations

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25 papers · 1 filter

cond-mat.mes-hall2026

Enhanced intrinsic spin-orbit driving of a Loss-DiVincenzo qubit near the spin-valley hotspot in Si/SiGe

Alexander Willmes, Max Oberländer, Max Beer +7

In most Si/SiGe-based spin qubit implementations, high-fidelity single-qubit gates are achieved using micromagnets, which enable the use of electric spin dipole resonance via synth…

cond-mat.mes-hall2026

Disorder signatures emerging at millikelvin temperatures in Si/SiGe field-effect stacks

Lino Visser, Alberto Mistroni, Yuji Yamamoto +9

The performance and scalability of electron spin qubits based on gate-defined quantum-dots in undoped Si/SiGe field-effect stacks remain constrained by disorder originating from th…

cond-mat.mes-hall2024★ 1 cited

Lateral Mn5Ge3 spin-valve in contact with a high-mobility Ge two-dimensional hole gas

David Weißhaupt, Christoph Sürgers, Dominik Bloos +8

Ge two-dimensional hole gases in strained modulation-doped quantum-wells represent a promising material platform for future spintronic applications due to their excellent spin tran…

cond-mat.mes-hall2020★ 18 cited

Intersubband transition engineering in the conduction band of asymmetric coupled Ge/SiGe quantum wells

Luca Persichetti, Michele Montanari, Chiara Ciano +9

: n-type Ge/SiGe asymmetric-coupled quantum wells represent the building block of a variety of nanoscale quantum devices, including recently proposed designs for a silicon-based TH…

cond-mat.mes-hall2019★ 77 cited

Light effective hole mass in undoped Ge/SiGe quantum wells

M. Lodari, A. Tosato, D. Sabbagh +5

We report density-dependent effective hole mass measurements in undoped germanium quantum wells. We are able to span a large range of densities ( cm) in…

cond-mat.mes-hall2018★ 58 cited

Room temperature operation of n-type Ge/SiGe terahertz quantum cascade lasers predicted by non-equilibrium Green's functions

T. Grange, D. Stark, G. Scalari +9

n-type Ge/SiGe terahertz quantum cascade laser are investigated using non-equilibrium Green's functions calculations. We compare the temperature dependence of the terahertz gain pr…