6 citations · 8 across the 9 of their papers we have counts for
9 papers
Enhancing charge stability of Ge quantum well heterostructures via SiGe layer composition engineering
Ding-Ming Huang, Jun-Hang Liu, Han Gao +10
Composition modulation is a powerful technique for designing materials with tailored properties, fueling the development of advanced semiconductor devices. In this work, we have im…
Microwave Response of the Superconducting Diode Effect in Proximitized Bilayer Graphene Interferometers
Shili Yan, Rubén Seoane Souto, Yi Luo +7
Microwave irradiation has emerged as a promising means to tune the superconducting diode effect (SDE) in Josephson junction devices. Previous experimental studies have mainly focus…
Spin splitting, Kondo correlation and singlet-doublet quantum phase transition in a superconductor-coupled InSb nanosheet quantum dot
Xingjun Wu, Ji-Yin Wang, Haitian Su +6
We realize a superconductor-coupled quantum dot (QD) in an InSb nanosheet, a 2D platform promising for studies of topological superconductivity. The device consists of a supercondu…
Supercurrent and multiple Andreev reflections in Ge hut nanowire Josephson Junctions
Han Gao, Jian-Huan Wang, Ji-Yin Wang +2
We report an experimental study of induced superconductivity in Ge hut nanowire Josephson junctions. The Ge hut nanowires are grown on prepatterned SiGe ridges via molecular beam e…
Tunable superconducting diode effect in higher-harmonic InSb nanosheet interferometers
Xingjun Wu, Ji-Yin Wang, Haitian Su +5
Superconducting diodes, characterized by the nonreciprocal supercurrent flow, have gained significant attention for their potential in dissipationless electronics. This study prese…
Gate Tunable Josephson Diode Effect in Josephson Junctions made from InAs Nanosheets
Shili Yan, Yi Luo, Haitian Su +6
We report the observation of Josephson diode effect (JDE) in hybrid devices made from semiconductor InAs nanosheets and superconductor Al contacts. By applying an in-plane magnetic…
One-dimensional quantum dot array integrated with charge sensors in an InAs nanowire
Yi Luo, Xiao-Fei Liu, Zhi-Hai Liu +8
We report an experimental study of a one-dimensional quintuple-quantum-dot array integrated with two quantum dot charge sensors in an InAs nanowire. The device is studied by measur…
Gate-defined quantum point contacts in a germanium quantum well
Han Gao, Zhen-Zhen Kong, Po Zhang +6
We report an experimental study of quantum point contacts defined in a high-quality strained germanium quantum well with layered electric gates. At zero magnetic field, we observe…
Ubiquitous missing first Shapiro step in Al-InSb nanosheet Josephson junctions
Xingjun Wu, Haitian Su, Chuanchang Zeng +6
The absence of odd-order Shapiro steps is a predicted signature of topological superconductors. Experimentally, the missing first-order Shapiro step has been reported in both putat…