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- Seok, Sang Il
- Laboratory for Energy Harvesting Materials and Systems
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HIGH-TEMPERATURE ELECTRICAL-PROPERTIES OF LA(1.9)SR(0.1)CU(0.9)M(0.1)O(4) (M=LI, NI, CO) SOLID-SOLUTIONS
- Author(s)
- Seok, Sang Il, Park, DS, Park, SJ
- Issued Date
- 1995-01
- Citation
- MATERIALS LETTERS, v.22, no.1-2, pp.55 - 57
- Abstract
- The electrical conductivity and thermoelectric power for solid solutions of La(1.9)Sr(0.1)Cu(0.9)M(0.1)O(4) (M = Li, Ni and Co) prepared by polymeric precursor synthesis were measured between 300 and 1173 K. While Li+ substitution in Sr doped samples increases the electrical conductivity and decreases thermoelectric power, as expected for an increase in the hole concentration by charge compensation, Ni2+ or Co3+ substitution affects the temperature dependence of electrical conductivity by localization of charge carriers, especially at low temperatures. However, at elevated temperatures the conduction parameter was not effectively varied
- Publisher
- ELSEVIER SCIENCE BV
- ISSN
- 0167-577X
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