MECHANISM OF CONDUCTION IN BaSn1-xSbxO3-δ AND Ba1-yLaySnO3-δ
Author(s) -
Tongkai Huang,
Tetsurō Nakamura
Publication year - 1994
Publication title -
acta physica sinica
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.43.1840
Subject(s) - variable range hopping , thermal conduction , condensed matter physics , materials science , electron , electrical resistivity and conductivity , atmospheric temperature range , mechanism (biology) , excitation , conduction band , conduction electron , physics , thermodynamics , quantum mechanics , composite material
The temperature dependence of resistivity and magnetic susceptibility was measured for both BaSn1-xSbxO3-δ and Ba1-yLaySnO3-δ systems below room temperature. The results show that the mechanism of conduction is the variable range hopping for both systems at lower temperature. Whereas the two types of mechanism of conduction at higher temperature, are considered the nearest-neighbor hopping (Ba1-yLaySnO3-δ)and as the excitation of electrons to the conduction band (BaSn1-xSbxO3-δ)
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