Singlet-triplet minus mixing and relaxation lifetimes in a double donor dot

S. K. Gorman, M. A. Broome, M. G. House, S. J. Hile, J. G. Keizer, D. Keith, T. F. Watson, W. J. Baker, M. Y. Simmons

Research output: Contribution to journalArticleScientificpeer-review

1 Citation (Scopus)


We measure singlet-triplet mixing in a precision fabricated double donor dot comprising 2 and 1 phosphorus atoms separated by 16 ± 1 nm. We identify singlet and triplet-minus states by performing a sequential independent spin readout of the two electron system and probe its dependence on magnetic field strength. The relaxation of singlet and triplet states is measured to be 12.4 ± 1.0 s and 22.1 ± 1.0 s, respectively, at Bz = 2.5 T.

Original languageEnglish
Article number243105
JournalApplied Physics Letters
Issue number24
Publication statusPublished - 2018


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