Magnetic field-induced inhomogeneous current distribution in metallically doped n-InSb

We combine thermometry and magnetotransport experiments on Hall bar geometry samples out of metallic n-InSb for probing a local difference in dissipation which is caused by a theoretically predicted magnetic-field-induced inhomogeneous current distribution due to a step in the sample thickness. Meas...

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Bibliographic Details
Published inPhysica. B, Condensed matter Vol. 252; no. 1; pp. 96 - 105
Main Authors Gauss, N, Deltour, P, Busche, T, Jansen, A.G.M, Wyder, P
Format Journal Article
LanguageEnglish
Published Amsterdam Elsevier B.V 01.07.1998
Elsevier
Subjects
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Conductivity phenomena in semiconductors and insulators
Current deviation
Electronic transport in condensed matter
Exact sciences and technology
Galvanomagnetic and other magnetotransport effects
Heat transport
Linear magnetoresistance
Magnetotransport
n-InSb
Physics
n-InSb
Current deviation
72.80.Ey
72.20.My
Magnetotransport
Linear magnetoresistance
Heat transport
Inorganic compounds
Indium antimonides
Temperature gradients
Hall effect
Experimental study
Magnetoresistance
Heat transfer
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Summary:We combine thermometry and magnetotransport experiments on Hall bar geometry samples out of metallic n-InSb for probing a local difference in dissipation which is caused by a theoretically predicted magnetic-field-induced inhomogeneous current distribution due to a step in the sample thickness. Measured local temperature differences can be related to a calculated current density pattern via a numerical solution of the heat transport equation.
ISSN:0921-4526
1873-2135
DOI:10.1016/S0921-4526(97)00901-0