3 papers
quant-ph2026
Near-single-domain superconducting aluminum films on GaAs(111)A with exceptional crystalline quality for scalable quantum circuits
Hsien-Wen Wan, Yi-Ting Cheng, Chao-Kai Cheng +6
We have reproducibly grown near-single-domain superconducting aluminum (Al) films on GaAs(111)A wafers using molecular beam epitaxy. Synchrotron X-ray diffraction revealed twin-dom…
quant-ph2025
In situ AlO passivation of epitaxial tantalum and aluminum films enables long-term stability in superconducting microwave resonators
Yi-Ting Cheng, Hsien-Wen Wan, Wei-Jie Yan +10
Long-term stability of superconducting microwave resonators is essential for scalable quantum technologies; however, surface and interface degradation continue to limit device stab…
cond-mat.mtrl-sci2025
1/ f noise and two-level systems in MBE-grown Al thin films
Shouray Kumar Sahu, Yen-Hsun Glen Lin, Kuan-Hui Lai +9
Aluminum thin films are essential to the functionalities of electronic and quantum devices, where two-level systems (TLS) can degrade device performance. MBE-grown Al films may app…