Original Paper

Space-Charge Region Scattering in Indium Monoselenide

P.I. Savitskii

Chernivtsi Department of the Institute of Materials Science Problems, National Academy of Sciences of Ukraine, Iryna Vilde St. 5, Chernivtsi 58001, Ukraine

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Z.D. Kovalyuk,

Z.D. Kovalyuk

[email protected]

Chernivtsi Department of the Institute of Materials Science Problems, National Academy of Sciences of Ukraine, Iryna Vilde St. 5, Chernivtsi 58001, Ukraine

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I.V. Mintyanskii,

I.V. Mintyanskii

Chernivtsi Department of the Institute of Materials Science Problems, National Academy of Sciences of Ukraine, Iryna Vilde St. 5, Chernivtsi 58001, Ukraine

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P.I. Savitskii,

P.I. Savitskii

Chernivtsi Department of the Institute of Materials Science Problems, National Academy of Sciences of Ukraine, Iryna Vilde St. 5, Chernivtsi 58001, Ukraine

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Z.D. Kovalyuk,

Z.D. Kovalyuk

[email protected]

Chernivtsi Department of the Institute of Materials Science Problems, National Academy of Sciences of Ukraine, Iryna Vilde St. 5, Chernivtsi 58001, Ukraine

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I.V. Mintyanskii,

I.V. Mintyanskii

Chernivtsi Department of the Institute of Materials Science Problems, National Academy of Sciences of Ukraine, Iryna Vilde St. 5, Chernivtsi 58001, Ukraine

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First published: 25 August 2000

https://doi.org/10.1002/1521-396X(200008)180:2<523::AID-PSSA523>3.0.CO;2-X

Citations: 10

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Abstract

Scattering mechanisms in undoped n-type indium monoselenide have been studied in the temperature range between 80 and 400 K. The experimental data were obtained from Hall and photo-Hall effects. It is shown that in the samples with low room temperature Hall mobility (μ_H = 600 to 750 cm²/Vs) the temperature dependence of μ_H(T) can be explained by electron scattering on charged impurity aggregates surrounded by space-charge regions. Under illumination the neutralization of the effective charge of impurity aggregates by photo-excited carriers is the reason for the predominant electron scattering on homopolar optical phonons A′_1g.

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Volume180, Issue2

August 2000

Pages 523-531

Space-Charge Region Scattering in Indium Monoselenide

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Space-Charge Region Scattering in Indium Monoselenide

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