Thermoelectric studies of electronic properties of ferromagnetic GaMnAs layers

Details Thermoelectric studies of electronic properties of ferromagnetic GaMnAs layers Thermoelectric studies of electronic properties of ferromagnetic GaMnAs layers

2004-09-24

arxiv.org/abs/cond-mat/0409659v1

Physics

Condensed Matter

Materials Science

21 pages, 8 figures

Scientific paper

Thermoelectric power, electrical conductivity, and high field Hall effect were studied over a broad temperature range in ferromagnetic Ga(1-x)Mn(x)As epitaxial layers (0.01570 K) the thermoelectric power in GaMnAs linearly increases with increasing temperature. That indicates the presence of a degenerate hole gas with the Fermi energy EF=220+-25 meV, nearly independent of Mn content (for 0.02

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