Negative Magnetoresistance in the Metallic Impurity Conduction of n-Type Germanium
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概要
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The magnetoresistance effect in n-type germanium containing more than 2.10^<17>cm^<-3> antimony atoms has been measured at liquid helium temperature. These samples show a metallic impurity conduction and the resistivity decreases a few per cent when a magnetic field of 3 to 10kφ is applied. The magnitude of the low field magnetoresistance coefiicient is larger for samples containing higher concentration of donors, and becomes larger when the temperature is lowered. A phenomenological consideration is carried assuming that this negative magnetoresistance is due to the localized magnetic moments formed among the impurity electrons.
- 一般社団法人日本物理学会の論文
- 1965-05-05
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