期刊
PHYSICS OF THE SOLID STATE
卷 45, 期 7, 页码 1242-1250出版社
AMER INST PHYSICS
DOI: 10.1134/1.1594236
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The conductivity and magnetic susceptibility of disordered titanium monoxide TiOy (0.920 less than or equal to y less than or equal to 1.262) containing vacancies in titanium and oxygen sublattices are investigated. For TiOy monoxides with an oxygen content y less than or equal to 1.069, the temperature dependences of the conductivity are described by the Bloch-Gruneisen function at a Debye temperature ranging from 400 to 480 K and the temperature dependences of the magnetic susceptibility are characterized by the contribution from the Pauli paramagnetism due to conduction electrons. The behavior of the conductivity and magnetic susceptibility of TiOy monoxides with an oxygen content y greater than or equal to 1.087 is characteristic of narrow-gap semiconductors with nondegenerate charge carriers governed by the Boltzmann statistics. The band gap DeltaE between the valence and conduction bands of TiOy monoxides with y greater than or equal to 1.087 falls in the range 0.06-0.17 eV (C) 2003 MAIK Nauka / Interperiodica.
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