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Optically detected nuclear magnetic resonance of nuclei within a quantum well

Optically detected nuclear magnetic resonance of nuclei within a quantum well
Optically detected nuclear magnetic resonance of nuclei within a quantum well
Observations are reported of nuclear magnetic resonance (NMR) for nuclei in single GaAs/AlGaAs quantum wells, using an optical pumping and detection scheme. The technique gives signals only from nuclei in contact with the quantum-confined electron wavefunction and therefore discriminates against substrate and barrier nuclei. Some general factors which affect the strength of signals are discussed and preliminary results are presented which show the potential of NMR for measuring strain in pseudomorphic systems and for detecting and identifying impurities.
0268-1242
553-559
Flinn, G.P.
a4fa86b9-2ba7-4d33-a75a-dc851166b079
Harley, R.T.
54613031-f60f-45f4-9b20-e49bcfd53b77
Snelling, M.J.
52851363-73f3-4934-a44b-77ae5f54b16a
Tropper, A.C.
f3505426-e0d5-4e91-aed3-aecdb44b393c
Kerr, T.M.
64f7681c-d5ab-42d2-84ba-c7e52e1f9767
Flinn, G.P.
a4fa86b9-2ba7-4d33-a75a-dc851166b079
Harley, R.T.
54613031-f60f-45f4-9b20-e49bcfd53b77
Snelling, M.J.
52851363-73f3-4934-a44b-77ae5f54b16a
Tropper, A.C.
f3505426-e0d5-4e91-aed3-aecdb44b393c
Kerr, T.M.
64f7681c-d5ab-42d2-84ba-c7e52e1f9767

Flinn, G.P., Harley, R.T., Snelling, M.J., Tropper, A.C. and Kerr, T.M. (1990) Optically detected nuclear magnetic resonance of nuclei within a quantum well. Semiconductor Science and Technology, 5 (6), 553-559.

Record type: Article

Abstract

Observations are reported of nuclear magnetic resonance (NMR) for nuclei in single GaAs/AlGaAs quantum wells, using an optical pumping and detection scheme. The technique gives signals only from nuclei in contact with the quantum-confined electron wavefunction and therefore discriminates against substrate and barrier nuclei. Some general factors which affect the strength of signals are discussed and preliminary results are presented which show the potential of NMR for measuring strain in pseudomorphic systems and for detecting and identifying impurities.

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Published date: 1990

Identifiers

Local EPrints ID: 78609
URI: https://eprints.soton.ac.uk/id/eprint/78609
ISSN: 0268-1242
PURE UUID: 1704bbad-515c-4c22-adde-788bb08534ec

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Date deposited: 11 Mar 2010
Last modified: 21 Oct 2017 17:14

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