Curie temperature of Co-doped TiO2 as functions of carrier density and Co content evaluated from electrical transport and magnetization at low temperature regime

Thantip S. Krasienapibal; Tomoteru Fukumura; Tetsuya Hasegawa

doi:10.1063/1.4942554

Curie temperature of Co-doped TiO₂ as functions of carrier density and Co content evaluated from electrical transport and magnetization at low temperature regime

Thantip S. Krasienapibal, Tomoteru Fukumura, Tetsuya Hasegawa

Advanced Institute for Materials Research (AIMR)

Research output: Contribution to journal › Article › peer-review

3 Citations (Scopus)

Abstract

Curie temperature (T_C) 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 T_C from both measurements showed similar T_C. For x = 0.03, 0.05, and 0.07, non-monotonic T_C vs. N relations were observed, whereas T_C was monotonically increasing function of n for x = 0.10. Possible mechanism of high T_C ferromagnetism for this compound was discussed.

Original language	English
Article number	055802
Journal	AIP Advances
Volume	6
Issue number	5
DOIs	https://doi.org/10.1063/1.4942554
Publication status	Published - 2016 May 1

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Physics and Astronomy(all)

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title = "Curie temperature of Co-doped TiO2 as functions of carrier density and Co content evaluated from electrical transport and magnetization at low temperature regime",

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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T1 - Curie temperature of Co-doped TiO2 as functions of carrier density and Co content evaluated from electrical transport and magnetization at low temperature regime

AU - Krasienapibal, Thantip S.

AU - Fukumura, Tomoteru

AU - Hasegawa, Tetsuya

PY - 2016/5/1

Y1 - 2016/5/1

N2 - 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.

AB - 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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Curie temperature of Co-doped TiO₂ as functions of carrier density and Co content evaluated from electrical transport and magnetization at low temperature regime

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