Anomalous nuclear magnetic resonance spectra in Bi₂Se₃ nanowires
Nisson, D. M. · Dioguardi, A. P. · Peng, X. · Yu, D. · Curro, N. J.
Original · EN
We report ²⁰⁹Bi nuclear magnetic resonance (NMR) spectra of in nanowires and single crystals of Bi₂Se₃. Crystals were powdered to simulate the random orientation of the nanowires, and the spectra are compared with theoretical expectations derived via an orientational study of a single crystal. The nanowire spectra are consistent with the randomly oriented powders, however we find an unusual suppression of signal intensity as a function of field orientation that may be associated with screening by surface currents.
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