Optical and magneto-optical studies of (La0.7A0.3)MnO3 (A=Sr, Ca, and Ce) thin films

H. L. Liu; Kenneth Y J Zhang; L. C. Wu; L. Uba; S. Uba; W. J. Chang; Jiunn-Yuan Lin; L. M. Wang

doi:10.1016/j.jmmm.2006.02.074

Optical and magneto-optical studies of (La_0.7A_0.3)MnO₃ (A=Sr, Ca, and Ce) thin films

H. L. Liu^*, Kenneth Y J Zhang, L. C. Wu, L. Uba, S. Uba, W. J. Chang, Jiunn-Yuan Lin, L. M. Wang

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摘要

The optical and magneto-optical (MO) properties of (La_0.7A_0.3)MnO₃ (A=Sr, Ca, and Ce) thin films have been investigated. It is found that the value shape of spectra is strongly dependent on different cation dopings. The Sr-doped thin film exhibits a strong Drude response and maximum Kerr rotation angle of 0.32° at ∼3.4 eV. Interestingly, the replacement of Sr ions with the smaller Ca ions and the tetravalent Ce ions all lead to a remarkable suppression of the carrier density and the MO response. Such differences are interpreted as due to their different electronic band structures.

原文	English
頁（從 - 到）	e303-e305
頁數	3
期刊	Journal of Magnetism and Magnetic Materials
卷	304
發行號	1
DOIs	https://doi.org/10.1016/j.jmmm.2006.02.074
出版狀態	Published - 1 9月 2006

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10.1016/j.jmmm.2006.02.074

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title = "Optical and magneto-optical studies of (La0.7A0.3)MnO3 (A=Sr, Ca, and Ce) thin films",

abstract = "The optical and magneto-optical (MO) properties of (La0.7A0.3)MnO3 (A=Sr, Ca, and Ce) thin films have been investigated. It is found that the value shape of spectra is strongly dependent on different cation dopings. The Sr-doped thin film exhibits a strong Drude response and maximum Kerr rotation angle of 0.32° at ∼3.4 eV. Interestingly, the replacement of Sr ions with the smaller Ca ions and the tetravalent Ce ions all lead to a remarkable suppression of the carrier density and the MO response. Such differences are interpreted as due to their different electronic band structures.",

keywords = "Colossal magneto-resistance, Magneto-optical effect, Optical property",

author = "Liu, {H. L.} and Zhang, {Kenneth Y J} and Wu, {L. C.} and L. Uba and S. Uba and Chang, {W. J.} and Jiunn-Yuan Lin and Wang, {L. M.}",

year = "2006",

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language = "English",

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T1 - Optical and magneto-optical studies of (La0.7A0.3)MnO3 (A=Sr, Ca, and Ce) thin films

AU - Liu, H. L.

AU - Zhang, Kenneth Y J

AU - Wu, L. C.

AU - Uba, L.

AU - Uba, S.

AU - Chang, W. J.

AU - Lin, Jiunn-Yuan

AU - Wang, L. M.

PY - 2006/9/1

Y1 - 2006/9/1

N2 - The optical and magneto-optical (MO) properties of (La0.7A0.3)MnO3 (A=Sr, Ca, and Ce) thin films have been investigated. It is found that the value shape of spectra is strongly dependent on different cation dopings. The Sr-doped thin film exhibits a strong Drude response and maximum Kerr rotation angle of 0.32° at ∼3.4 eV. Interestingly, the replacement of Sr ions with the smaller Ca ions and the tetravalent Ce ions all lead to a remarkable suppression of the carrier density and the MO response. Such differences are interpreted as due to their different electronic band structures.

AB - The optical and magneto-optical (MO) properties of (La0.7A0.3)MnO3 (A=Sr, Ca, and Ce) thin films have been investigated. It is found that the value shape of spectra is strongly dependent on different cation dopings. The Sr-doped thin film exhibits a strong Drude response and maximum Kerr rotation angle of 0.32° at ∼3.4 eV. Interestingly, the replacement of Sr ions with the smaller Ca ions and the tetravalent Ce ions all lead to a remarkable suppression of the carrier density and the MO response. Such differences are interpreted as due to their different electronic band structures.

KW - Colossal magneto-resistance

KW - Magneto-optical effect

KW - Optical property

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U2 - 10.1016/j.jmmm.2006.02.074

DO - 10.1016/j.jmmm.2006.02.074

M3 - Article

AN - SCOPUS:33747079068

VL - 304

SP - e303-e305

JO - Journal of Magnetism and Magnetic Materials

JF - Journal of Magnetism and Magnetic Materials

SN - 0304-8853

IS - 1

ER -

Optical and magneto-optical studies of (La0.7A0.3)MnO3 (A=Sr, Ca, and Ce) thin films

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Optical and magneto-optical studies of (La_0.7A_0.3)MnO₃ (A=Sr, Ca, and Ce) thin films