62 citations · 124 across the 7 of their papers we have counts for
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cond-mat.mtrl-sci2023★ 4 cited
Stable and low loss oxide layer on α-Ta (110) film for superconducting qubits
Zengqian Ding, Boyi zhou, Tao Wang +5
The presence of amorphous oxide layers can significantly affect the coherent time of superconducting qubits due to their high dielectric loss. Typically, the surface oxides of supe…
cond-mat.supr-con2023★ 11 cited
High-quality superconducting α-Ta film sputtered on heated silicon substrate
Yanfu Wu, Zengqian Ding, Kanglin Xiong +1
Intrigued by the discovery of the long lifetime in the α-Ta/Al2O3-based Transmon qubit, researchers recently found α-Ta film is a promising platform for fabricating multi-qubits wi…
cond-mat.supr-con2023★ 10 cited
Fabrication of Al/AlOx/Al junctions with high uniformity and stability on sapphire substrates
Yuzhen Zheng, Shuming Li, Zengqian Ding +3
Tantalum and aluminum on sapphire are widely used platforms for qubits of long coherent time. As quantum chips scale up, the number of Josephson junctions on Sapphire increases. Th…