Magnetothermopower of double p-type quantum wells

We present the first thermopower measurements for a double quantum well sample. Magnetothermopower measurements provide further evidence for a finite temperature phase transition at ν=1. An extraordinary, hysteretic feature in thermopower at ν=2 is also reported.

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Bibliographic Details
Published inPhysica. B, Condensed matter Vol. 249; pp. 745 - 748
Main Authors Hyndman, R.J, Stoddart, S.T, Tieke, B, Lok, S.G.S, Gallagher, B.L, Geim, A.K, Maan, J.C, Henini, M
Format Journal Article
LanguageEnglish
Published Elsevier B.V 01.06.1998
Subjects
Double quantum wells
Quantum hall effect
Thermopower
Thermopower
Quantum hall effect
Double quantum wells
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Summary:We present the first thermopower measurements for a double quantum well sample. Magnetothermopower measurements provide further evidence for a finite temperature phase transition at ν=1. An extraordinary, hysteretic feature in thermopower at ν=2 is also reported.
ISSN:0921-4526
1873-2135
DOI:10.1016/S0921-4526(98)00305-6