Magnetic stability of oxygen defects on the SiO2 surface

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...

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Veröffentlicht in:	AIP advances 2017-02, Vol.7 (2), p.025110-025110-13
Hauptverfasser:	Adelstein, Nicole, Lee, Donghwa, DuBois, Jonathan L., Ray, Keith G., Varley, Joel B., Lordi, Vincenzo
Format:	Artikel
Sprache:	eng
Schlagworte:	CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY Crystal defects Dangling bonds Excited states First principles Magnetic flux Mathematical analysis Peroxy radicals Quantum theory Quartz Qubits (quantum computing) Silica Silicon dioxide Substrates Superconducting quantum interference devices Superconductivity Surface defects Surface stability Valence bands Variations
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