Change of the electrical properties in Fe-Al/sub 2/O/sub 3/ granular films
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2004Autor
Tipo
Abstract
A systematic study of the electrical resistance as a function of the temperature was performed in Fe-Al2O3 granular thin films. Our findings revealed a nonlinear dependence of the current versus voltage in the low field regime at low temperature. The variable range hopping mechanism is the best description of the behavior of our samples. A change of the electronic properties can be observed depending on the direct current applied to the sample’s plane, and is related to different localization l ...
A systematic study of the electrical resistance as a function of the temperature was performed in Fe-Al2O3 granular thin films. Our findings revealed a nonlinear dependence of the current versus voltage in the low field regime at low temperature. The variable range hopping mechanism is the best description of the behavior of our samples. A change of the electronic properties can be observed depending on the direct current applied to the sample’s plane, and is related to different localization lengths. ...
Contido em
Applied physics letters. Vol. 85, no. 5 (Aug. 2004), p. 757-758
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Estrangeiro
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Artigos de Periódicos (39559)Ciências Exatas e da Terra (6036)
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