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cond-mat.supr-con2022
Stress-induced omega phase transition in Nb thin films for superconducting qubits
Jaeyel Lee, Zuhawn Sung, Akshay A. Murthy +2
We report the observation of omega phase formation in Nb thin films deposited by high-power impulse magnetron sputtering (HiPIMS) for superconducting qubits using transmission elec…
cond-mat.mes-hall2022
Developing a Chemical and Structural Understanding of the Surface Oxide in a Niobium Superconducting Qubit
Akshay A. Murthy, Paul Masih Das, Stephanie M. Ribet +11
Superconducting thin films of niobium have been extensively employed in transmon qubit architectures. Although these architectures have demonstrated remarkable improvements in rece…