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cond-mat.mtrl-sci2021
Decoupling between propagating acoustic waves and two-level systems in hydrogenated amorphous silicon
M. Molina-Ruiz, H. C. Jacks, D. R. Queen +3
Specific heat measurements of hydrogenated amorphous silicon prepared by hot-wire chemical vapor deposition show a large density of two-level systems at low temperature. Annealing…
cond-mat.supr-con2021★ 1 cited
Ge thin-films with tantalum diffusion-barriers for use in Nb-based superconductor technology
C. Kopas, S. Zhang, J. Gonzales +4
Germanium thin films are an excellent candidate for use as a low-loss dielectric in superconducting microwave resonators, a low-loss inter-layer metal wiring dielectric, and passiv…