Surface-sensitive NMR in optically pumped semiconductors

Details Surface-sensitive NMR in optically pumped semiconductors Surface-sensitive NMR in optically pumped semiconductors

2008-06-12

arxiv.org/abs/0806.1992v1

Applied Physics A 93, 533-536 (2008).

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 5 figures

Scientific paper

10.1007/s00339-008-4778-6

We present a scheme of surface-sensitive nuclear magnetic resonance in optically pumped semiconductors, where an NMR signal from a part of the surface of a bulk compound semiconductor is detected apart from the bulk signal. It utilizes optically oriented nuclei with a long spin-lattice relaxation time as a polarization reservoir for the second (target) nuclei to be detected. It provides a basis for the nuclear spin polarizer [IEEE Trans. Appl. Supercond. 14, 1635 (2004)], which is a polarization reservoir at a surface of the optically pumped semiconductor that polarizes nuclear spins in a target material in contact through the nanostructured interfaces.

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