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Title: Unveiling atomic structure and chemical composition of the Al/AlOx/Al Josephson junctions in qubits

Journal Article · · Applied Surface Science

Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
AC02-05CH11231
OSTI ID:
1997564
Journal Information:
Applied Surface Science, Journal Name: Applied Surface Science Vol. 640 Journal Issue: C; ISSN 0169-4332
Publisher:
ElsevierCopyright Statement
Country of Publication:
Netherlands
Language:
English

References (38)

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Local nanoscale strain mapping of a metallic glass during in situ testing journal April 2018
Characterization of Nanometer Step Structure Formation During the Fabrication of Large-Scale Superconducting-Tunnel-Junction Array Detectors journal June 2009
Correlation between Al grain size, grain boundary grooves and local variations in oxide barrier thickness of Al/AlOx/Al tunnel junctions by transmission electron microscopy journal July 2016
Coherent Josephson Qubit Suitable for Scalable Quantum Integrated Circuits journal August 2013
Optimization of Al/AlOx/Al-layer systems for Josephson junctions from a microstructure point of view journal April 2019
In situ fragmentation of Al/Al2O3 multilayers on flexible substrates in biaxial tension journal August 2023
Atom probe tomography journal March 2007
Correlators in simultaneous measurement of non-commuting qubit observables journal September 2018
The electronic structure at the atomic scale of ultrathin gate oxides journal June 1999
Understanding Quality Factor Degradation in Superconducting Niobium Cavities at Low Microwave Field Amplitudes journal December 2017
Effect of an Interfacial Layer on Electron Tunneling through Atomically Thin Al2O3 Tunnel Barriers journal October 2017
High-Cooperativity Coupling of Electron-Spin Ensembles to Superconducting Cavities journal September 2010
In situ nanobeam electron diffraction strain mapping of planar slip in stainless steel journal March 2018
Field-enhanced direct tunneling in ultrathin atomic-layer-deposition-grown Au−Al2O3 -Cr metal-insulator-metal structures journal September 2017
Optimizing disk registration algorithms for nanobeam electron diffraction strain mapping journal May 2017
Materials in superconducting quantum bits journal October 2013
Material matters in superconducting qubits journal October 2021
Experimental study of ELNES at grain boundaries in alumina: intergranular radiation damage effects on Al-L23 and O-K edges journal August 2003
Fluctuations of Energy-Relaxation Times in Superconducting Qubits journal August 2018
A density-functional theory study of the Al/AlO x /Al tunnel junction journal October 2020
Reducing intrinsic loss in superconducting resonators by surface treatment and deep etching of silicon substrates journal May 2015
Electronic Properties of theSi/SiO2Interface from First Principles journal August 2000
Two-Dimensional Material Tunnel Barrier for Josephson Junctions and Superconducting Qubits journal October 2019
Towards understanding two-level-systems in amorphous solids: insights from quantum circuits journal October 2019
O-terminated interface for thickness-insensitive transport properties of aluminum oxide Josephson junctions journal July 2022
Computational study of oxide stoichiometry and variability in the Al/AlOx/Al tunnel junction journal April 2022
Quantum dynamics of simultaneously measured non-commuting observables journal October 2016
Charge-insensitive qubit design derived from the Cooper pair box journal October 2007
Electromechanical Behavior of Al/Al2O3 Multilayers on Flexible Substrates: Insights from In Situ Film Stress and Resistance Measurements journal November 2022
Low frequency resistance and critical current fluctuations in Al-based Josephson junctions journal April 2013
Electromagnetically Induced Transparency in Circuit Quantum Electrodynamics with Nested Polariton States journal February 2018
Direct observation of the thickness distribution of ultra thin AlO x barriers in Al/AlO x /Al Josephson junctions journal September 2015
Atomic Structure of Superconducting Tunnel Junctions using STEM and APT journal July 2021
Theoretically probing the relationship between barrier length and resistance in Al/AlOx/Al tunnel junctions journal November 2022
Josephson-junction qubits with controlled couplings journal March 1999
Structural details of Al/Al2O3 junctions and their role in the formation of electron tunnel barriers journal May 2018

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