Co-doped La0.5Sr0.5TiO3-δ: Diluted magnetic oxide system with high Curie temperature

Y. G. Zhao; S. R. Shinde; S. B. Ogale; J. Higgins; R. J. Choudhary; V. N. Kulkarni; R. L. Greene; T. Venkatesan; S. E. Lofland; C. Lanci; J. P. Buban; N. D. Browning; S. Das Sarma; A. J. Millis

doi:10.1063/1.1610796

Co-doped La_0.5Sr_0.5TiO_3-δ: Diluted magnetic oxide system with high Curie temperature

Y. G. Zhao, S. R. Shinde, S. B. Ogale, J. Higgins, R. J. Choudhary, V. N. Kulkarni, R. L. Greene, T. Venkatesan, S. E. Lofland, C. Lanci, J. P. Buban, N. D. Browning, S. Das Sarma, A. J. Millis

Physics

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Abstract

The study investigates the ferromagnetism observed at and above room temperature in pulsed laser deposited epitaxial films of Co-doped Ti-based oxide perovskite (La_0.5Sr_0.5TiO_3-δ). It is found that the films range from being opaque metallic to transparent semiconducting depending on the oxygen pressure during growth. The dependence of the magnetic and transport properties on y and γ suggests a strong role of carrier density, dynamics and materials related issues.

Original language	English (US)
Pages (from-to)	2199-2201
Number of pages	3
Journal	Applied Physics Letters
Volume	83
Issue number	11
DOIs	https://doi.org/10.1063/1.1610796
State	Published - Sep 15 2003

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1063/1.1610796

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Zhao, Y. G., Shinde, S. R., Ogale, S. B., Higgins, J., Choudhary, R. J., Kulkarni, V. N., Greene, R. L., Venkatesan, T., Lofland, S. E., Lanci, C., Buban, J. P., Browning, N. D., Sarma, S. D., & Millis, A. J. (2003). Co-doped La_0.5Sr_0.5TiO_3-δ: Diluted magnetic oxide system with high Curie temperature. Applied Physics Letters, 83(11), 2199-2201. https://doi.org/10.1063/1.1610796

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title = "Co-doped La0.5Sr0.5TiO3-δ: Diluted magnetic oxide system with high Curie temperature",

abstract = "The study investigates the ferromagnetism observed at and above room temperature in pulsed laser deposited epitaxial films of Co-doped Ti-based oxide perovskite (La0.5Sr0.5TiO3-δ). It is found that the films range from being opaque metallic to transparent semiconducting depending on the oxygen pressure during growth. The dependence of the magnetic and transport properties on y and γ suggests a strong role of carrier density, dynamics and materials related issues.",

author = "Zhao, {Y. G.} and Shinde, {S. R.} and Ogale, {S. B.} and J. Higgins and Choudhary, {R. J.} and Kulkarni, {V. N.} and Greene, {R. L.} and T. Venkatesan and Lofland, {S. E.} and C. Lanci and Buban, {J. P.} and Browning, {N. D.} and Sarma, {S. Das} and Millis, {A. J.}",

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doi = "10.1063/1.1610796",

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T1 - Co-doped La0.5Sr0.5TiO3-δ

T2 - Diluted magnetic oxide system with high Curie temperature

AU - Zhao, Y. G.

AU - Shinde, S. R.

AU - Ogale, S. B.

AU - Higgins, J.

AU - Choudhary, R. J.

AU - Kulkarni, V. N.

AU - Greene, R. L.

AU - Venkatesan, T.

AU - Lofland, S. E.

AU - Lanci, C.

AU - Buban, J. P.

AU - Browning, N. D.

AU - Sarma, S. Das

AU - Millis, A. J.

PY - 2003/9/15

Y1 - 2003/9/15

N2 - The study investigates the ferromagnetism observed at and above room temperature in pulsed laser deposited epitaxial films of Co-doped Ti-based oxide perovskite (La0.5Sr0.5TiO3-δ). It is found that the films range from being opaque metallic to transparent semiconducting depending on the oxygen pressure during growth. The dependence of the magnetic and transport properties on y and γ suggests a strong role of carrier density, dynamics and materials related issues.

AB - The study investigates the ferromagnetism observed at and above room temperature in pulsed laser deposited epitaxial films of Co-doped Ti-based oxide perovskite (La0.5Sr0.5TiO3-δ). It is found that the films range from being opaque metallic to transparent semiconducting depending on the oxygen pressure during growth. The dependence of the magnetic and transport properties on y and γ suggests a strong role of carrier density, dynamics and materials related issues.

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JF - Applied Physics Letters

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Co-doped La_0.5Sr_0.5TiO_3-δ: Diluted magnetic oxide system with high Curie temperature

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