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Hyperfine clock transitions of bismuth donors in silicon detected by spin-dependent recombination

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Authors

Mortemousque, P.A
Berger, S.
Sekiguchi, T.
Culan, C.
Elliman, Robert
Itoh, K.M.

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American Physical Society

Abstract

Bismuth donors ion-implanted in 28Si and natSi are studied using magnetic resonance spectroscopy based on spin-dependent recombination. The hyperfine clock transition, at which the linewidth is significantly narrowed, is observed for the bismuth donors. The experimental results are modeled quantitatively by molecular orbital theory for a coupled pair consisting of a bismuth donor and a spin-dependent recombination readout center, including the effect of hyperfine and Zeeman interactions.

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Physical Review B

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Open Access

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