Curie temperature of Co-doped TiO2 as functions of carrier density and Co content evaluated from electrical transport and magnetization at low temperature regime
Source abstract
Abstract
Curie temperature (TC) of anatase Co-doped TiO2 epitaxial thin films was systematically investigated as functions of carrier density (n) and Co content (x) by electrical transport and magnetization measurements at low temperature regime. The estimated TC from both measurements showed similar TC. For x = 0.03, 0.05, and 0.07, non-monotonic TC vs. n relations were observed, whereas TC was monotonically increasing function of n for x = 0.10. Possible mechanism of high TC ferromagnetism for this compound was discussed.
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Research context
OpenAlex topics: ZnO doping and properties · Magnetic and transport properties of perovskites and related materials · Gas Sensing Nanomaterials and Sensors
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Affiliations
The University of Tokyo 1 Department of Chemistry, , Tokyo 113-0033, Japan
Tohoku University 2 Department of Chemistry, , Sendai 980-8578, Japan
Kanagawa Academy of Science and Technology 3 , Kawasaki 213-0012, Japan
Funding
Japan Society for the Promotion of Science · Core Research for Evolutional Science and Technology, Japan Science and Technology Agency · Marubun Research Promotion Foundation
References (23)
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