An experimental determination of the critical exponents at the metal-insulator transition

A. N. Ionov; I. S. Shlimak; M. N. Matveev

doi:10.1016/0038-1098(83)90063-7

An experimental determination of the critical exponents at the metal-insulator transition

A. N. Ionov, I. S. Shlimak, M. N. Matveev

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Abstract

This work deals with a determination of the magnitude of the critical exponents and their ratio from an analysis of the temperature dependence of the conductivity and magnetoresistivity of doped Ge 〈 As 〉 with an impurity concentration making it an insulator near the metal-insulator transition. The values found are {extra high symbol}{extra low symbol} = 0.60 ± 0.04, ξ = 1.38 ± 0.07, ξ {extra high symbol}{extra low symbol} = 2.3 ± 0.2; neither the critical exponents nor their ratio depend on compensation within 0 < k < 60%.

Original language	English
Pages (from-to)	763-766
Number of pages	4
Journal	Solid State Communications
Volume	47
Issue number	10
DOIs	https://doi.org/10.1016/0038-1098(83)90063-7
State	Published - Sep 1983
Externally published	Yes

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title = "An experimental determination of the critical exponents at the metal-insulator transition",

abstract = "This work deals with a determination of the magnitude of the critical exponents and their ratio from an analysis of the temperature dependence of the conductivity and magnetoresistivity of doped Ge 〈 As 〉 with an impurity concentration making it an insulator near the metal-insulator transition. The values found are {extra high symbol}{extra low symbol} = 0.60 ± 0.04, ξ = 1.38 ± 0.07, ξ {extra high symbol}{extra low symbol} = 2.3 ± 0.2; neither the critical exponents nor their ratio depend on compensation within 0 < k < 60%.",

author = "Ionov, {A. N.} and Shlimak, {I. S.} and Matveev, {M. N.}",

year = "1983",

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doi = "10.1016/0038-1098(83)90063-7",

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AU - Shlimak, I. S.

AU - Matveev, M. N.

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N2 - This work deals with a determination of the magnitude of the critical exponents and their ratio from an analysis of the temperature dependence of the conductivity and magnetoresistivity of doped Ge 〈 As 〉 with an impurity concentration making it an insulator near the metal-insulator transition. The values found are {extra high symbol}{extra low symbol} = 0.60 ± 0.04, ξ = 1.38 ± 0.07, ξ {extra high symbol}{extra low symbol} = 2.3 ± 0.2; neither the critical exponents nor their ratio depend on compensation within 0 < k < 60%.

AB - This work deals with a determination of the magnitude of the critical exponents and their ratio from an analysis of the temperature dependence of the conductivity and magnetoresistivity of doped Ge 〈 As 〉 with an impurity concentration making it an insulator near the metal-insulator transition. The values found are {extra high symbol}{extra low symbol} = 0.60 ± 0.04, ξ = 1.38 ± 0.07, ξ {extra high symbol}{extra low symbol} = 2.3 ± 0.2; neither the critical exponents nor their ratio depend on compensation within 0 < k < 60%.

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JO - Solid State Communications

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An experimental determination of the critical exponents at the metal-insulator transition

Abstract

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