Keith G. Ray
Lawrence Livermore National Laboratory
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Publication
Featured researches published by Keith G. Ray.
AIP Advances | 2017
Nicole Adelstein; Donghwa Lee; Jonathan L. DuBois; Keith G. Ray; Joel B. Varley; Vincenzo Lordi
The magnetic stability of E′ centers and the peroxy radical on the surface of α-quartz is investigated with first-principles calculations to understand their role in magnetic flux noise in superconducting qubits (SQs) and superconducting quantum interference devices (SQUIDs) fabricated on amorphous silica substrates. Paramagnetic E′ centers are common in both stoichiometric and oxygen deficient silica and quartz, and we calculate that they are more common on the surface than the bulk. However, we find the surface defects are magnetically stable in their paramagnetic ground state and thus will not contribute to 1/f noise through fluctuation at millikelvin temperatures.
Advanced Materials Interfaces | 2017
Brandon C. Wood; Vitalie Stavila; Natchapol Poonyayant; Tae Wook Heo; Keith G. Ray; Leonard E. Klebanoff; Terrence J. Udovic; Jonathan R. I. Lee; Natee Angboonpong; Joshua D. Sugar; Pasit Pakawatpanurut
arXiv: Atomic Physics | 2018
Keith G. Ray; Brenda M. Rubenstein; Wenze Gu; Vincenzo Lordi
Physical Review B | 2018
Chang-Eun Kim; Keith G. Ray; D. F. Bahr; Vincenzo Lordi
International Journal of Hydrogen Energy | 2018
Shinyoung Kang; Leonard E. Klebanoff; Alexander A. Baker; D.F. Cowgill; Vitalie Stavila; Jonathan R. I. Lee; M.H. Nielsen; Keith G. Ray; Y.-S. Liu; Brandon C. Wood
Crystal Growth & Design | 2018
Wade A. Braunecker; Keith G. Ray; Zbyslaw R. Owczarczyk; Madison Martinez; Noemi Leick; Amy Keuhlen; Alan Sellinger; Justin C. Johnson
Bulletin of the American Physical Society | 2018
Keith G. Ray; Nicholas Materise; Jonathan L. DuBois; Vincenzo Lordi
Physical Chemistry Chemical Physics | 2017
Keith G. Ray; Leonard E. Klebanoff; Jonathan R. I. Lee; Vitalie Stavila; Tae Wook Heo; Patrick Shea; Alexander A. Baker; Shinyoung Kang; Michael Bagge-Hansen; Yi-Sheng Liu; James L. White; Brandon C. Wood
Bulletin of the American Physical Society | 2017
Keith G. Ray; Jonathan L. DuBois; Vincenzo Lordi
Advanced Materials Interfaces | 2017
Brandon C. Wood; Vitalie Stavila; Natchapol Poonyayant; Tae Wook Heo; Keith G. Ray; Leonard E. Klebanoff; Terrence J. Udovic; Jonathan R. I. Lee; Natee Angboonpong; Joshua D. Sugar; Pasit Pakawatpanurut
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