Resistivity, Hall Constant, and Seebeck Coefficient of CsAu

Frederick Wooten; George A. Condas

doi:10.1103/PhysRev.131.657

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Resistivity, Hall Constant, and Seebeck Coefficient of CsAu

Frederick Wooten and George A. Condas

Lawrence Radiation Laboratory, University of California, Livermore, California

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Phys. Rev. 131, 657 – Published 15 July, 1963

DOI: https://doi.org/10.1103/PhysRev.131.657

Abstract

Measurements of resistivity, Hall constant, and Seebeck coefficient have established that CsAu is an $n$ -type semiconductor with carrier concentrations $10^{18}$ - $10^{19}$ ${cm}^{- 3}$ . The carrier concentration is essentially independent of temperature over the range 4.2-300°K and the mobility is 30-60 ${cm}^{2}$ $V^{- 1}$ $\sec^{- 1}$ . It is suggested that excess cesium introduces an impurity band which overlaps the conduction band. The Seebeck coefficient (-0.023 mV/°K at 300°K) indicates that the Fermi level lies about 0.02 eV above the conduction band based on optical lattice scattering.

References (8)

W. E. Spicer, A. H. Sommer, and J. G. White, Phys. Rev. 115, 57 (1959)
W. E. Spicer, Phys. Rev. 125, 1297 (1962)
V. E. Wood and J. R. Reitz, Bull. Am. Phys. Soc. 6, 108 (1961) J. Phys. Chem. Solids 23, 229 (1962)
G. A. Condas, Rev. Sci. Instr. 33, 987 (1962)
J. Krautkramer, Ann. Physik 32, 537 (1938)
D. J. Howarth and E. H. Sondheimer, Proc. Roy. Soc. A219, 53 (1953)
R. A. Smith, Semiconductors (Cambridge University Press New York, 1959)
J. S. Blakemore, Semiconductor Statistics (Pergamon Press Inc., New York, 1962)

[c1] W. E. Spicer, A. H. Sommer, and J. G. White, Phys. Rev. 115, 57 (1959)

[c2] W. E. Spicer, Phys. Rev. 125, 1297 (1962)

[c3] V. E. Wood and J. R. Reitz, Bull. Am. Phys. Soc. 6, 108 (1961) J. Phys. Chem. Solids 23, 229 (1962)

[c4] G. A. Condas, Rev. Sci. Instr. 33, 987 (1962)

[c5] J. Krautkramer, Ann. Physik 32, 537 (1938)

[c6] D. J. Howarth and E. H. Sondheimer, Proc. Roy. Soc. A219, 53 (1953)

[c7] R. A. Smith, Semiconductors (Cambridge University Press New York, 1959)

[c8] J. S. Blakemore, Semiconductor Statistics (Pergamon Press Inc., New York, 1962)

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Resistivity, Hall Constant, and Seebeck Coefficient of CsAu

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References (8)

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