Material matters in superconducting qubits

CE Murray - Materials Science and Engineering: R: Reports, 2021 - Elsevier
The progress witnessed within the field of quantum computing has been enabled by the
identification and understanding of interactions between the state of the quantum bit (qubit) …

Influence mechanism of RF bias on microstructure and superconducting properties of sputtered niobium thin films

Y Zhong, Z Ni, J Li, X Li, W Cao, X Wang, Q Zhong… - Vacuum, 2023 - Elsevier
In this study, radio frequency (RF) biased direct current (DC) magnetron sputtering was used
to simultaneously improve the surface roughness and superconducting properties of Nb thin …

Inner size effect of temperature coefficient of resistance in Cu, Ag, V and Mo films

SV Dukarov, SI Petrushenko, VN Sukhov - Vacuum, 2022 - Elsevier
The work is devoted to the study of the thermal coefficient of resistivity (TCR) in
nanocrystalline and amorphous metal films, the thickness of which significantly exceeds the …

Microstructure, electrical resistivity and stresses in sputter deposited W and Mo films and the influence of the interface on bilayer properties

GK Rane, S Menzel, T Gemming, J Eckert - Thin Solid Films, 2014 - Elsevier
Sputter deposited W, Mo and bilayers of W/Mo on Si were prepared by varying the
deposition conditions in order to obtain 100 nm thick films with low electrical resistivity …

Size and dimensionality effects in superconducting Mo thin films

L Fábrega, A Camón… - Superconductor …, 2011 - iopscience.iop.org
Molybdenum is a low T c, type I superconductor whose fundamental properties are poorly
known. Its importance as an essential constituent of new high performance radiation …

The effect of working gas pressure and deposition power on the properties of molybdenum films deposited by DC magnetron sputtering

H Cao, CJ Zhang, JH Chu - Science China Technological Sciences, 2014 - Springer
Molybdenum films were deposited on Corning 7059 glass substrates by DC magnetron
sputtering with different working gas pressures and sputtering powers. The structure and …

Characterizing the stress and electrical properties of superconducting molybdenum films

Y Wang, Y Liang, J Ding, N Chen, Y Chen… - Superconductor …, 2021 - iopscience.iop.org
In the process of minimizing stress in sputtered molybdenum (Mo) films for fabricating
transition-edge sensor devices, we have investigated correlations between the stress and …

Fabrication of feedhorn-coupled transition edge sensor arrays for measurement of the cosmic microwave background polarization

KL Denis, A Ali, J Appel, CL Bennett, MP Chang… - Journal of Low …, 2016 - Springer
Abstract Characterization of the minute cosmic microwave background polarization
signature requires multi-frequency, high-throughput precision instrument systems. We have …

On the evolution of residual stress at different substrate temperatures in sputter-deposited polycrystalline Mo thin films by x-ray diffraction

CK Singh, S Ilango, SR Polaki, S Dash… - Materials Research …, 2014 - iopscience.iop.org
The evolution of in-plane biaxial residual stress in polycrystalline Mo thin films deposited on
Si at different substrate temperature were investigated using x-ray diffraction methods. The …

Fabrication of superconducting Mo/Cu bilayers using ion-beam-assisted e-beam evaporation

FT Jaeckel, KL Kripps, KM Morgan, S Zhang… - Journal of low …, 2016 - Springer
Superconducting/normal metal bilayers with tunable transition temperature are a critical
ingredient to the fabrication of high-performance transition edge sensors. Popular material …