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Ultralong spin lifetime in one-dimensional semiconductor nanowires

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Dirnberger, Florian ; Kammermeier, Michael ; König, Jan ; Forsch, Moritz ; Faria Junior, Paulo E. ; Campos, Tiago ; Fabian, Jaroslav ; Schliemann, John ; Schüller, Christian ; Korn, Tobias ; Wenk, Paul ; Bougeard, Dominique
Date of publication of this fulltext: 24 Jun 2019 13:36


We experimentally demonstrate ultralong spin lifetimes of electrons in the one-dimensional (1D) quantum limit of semiconductor nanowires. Optical probing of single wires of different diameters reveals an increase in the spin relaxation time by orders of magnitude as the electrons become increasingly confined until only a single 1D sub-band is populated after thermalization. We find the observed ...


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