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JONKER-TYPE ANALYSIS OF SMALL POLARON CONDUCTORS

Abstract:
Plots of Seebeck coefficient vs the logarithm of electrical conductivity (Jonker plots) can be used to discriminate small polaron from band-type semiconductivity. Furthermore n-type and p-type small polaron conduction can be discriminated. Examples are drawn from systems exhibiting extensive nonstoichiometry, e.g., CeO2-x and Fe1-xO, systems involving extensive doping, e.g., LaCro3:Sr and Mn3O4: Fe, and systems with extensive solid solubility, e.g., the spinel ferrites. Capabilities and limitations of the analysis are discussed. © 1989.
Publication status:
Published

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Journal:
JOURNAL OF SOLID STATE CHEMISTRY
Volume:
82
Issue:
2
Pages:
247-254
Publication date:
1989-10-05
DOI:
EISSN:
1095-726X
ISSN:
0022-4596
URN:
uuid:3908114d-8985-4dbe-87cf-e8ad65b677a8
Source identifiers:
175082
Local pid:
pubs:175082
Language:
English

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