Journal
JOURNAL OF PHYSICS-CONDENSED MATTER
Volume 35, Issue 2, Pages -Publisher
IOP Publishing Ltd
DOI: 10.1088/1361-648X/aca05f
Keywords
diamond; electron affinity; nitrogen-vacancy; first-principles calculations
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In this study, the structural stabilities and electronic properties of boron (B)–nitrogen (N) co-terminated diamond (110) surface were investigated using first-principles calculations. It was found that the H/F mixed (H/F = 1.0) adsorption surface was dynamically and thermally stable, and exhibited no surface spin noise or surface-related state. Additionally, it had a positive electron affinity of 1.11 eV, making it a promising candidate for NV-based quantum sensors.
The nitrogen-vacancy (NV) center in diamond surface is a critical issue in quantum sensors with no sensitivity to surface terminators. We investigate the structural stabilities and electronic properties of boron (B)-N co-terminated diamond (110) surface based on first-principles calculations. The B-N co-terminated diamond (110) surfaces combined with monolayer coverage of hydrogen (H) and fluorine (F) adsorption are dynamically and thermally stable. Remarkably, the H/F mixed (H/F = 1.0) adsorption surface has neither surface spin noise nor surface-related state, and a positive electron affinity of 1.11 eV, thus it could be a prospective candidate for NV-based quantum sensors.
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