Impact of Ru doping in bilayered manganese oxide La1.2Sr1.8Mn2O7

Y. Onose; J. P. He; Y. Kaneko; T. Arima; Y. Tokura

doi:10.1063/1.1947900

Impact of Ru doping in bilayered manganese oxide La1.2Sr1.8Mn2O7

Y. Onose, J. P. He, Y. Kaneko, T. Arima, Y. Tokura

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Abstract

The Ru doping effect on the bilayered manganese oxide La1.2Sr1.8 (Mn1-y Ruy) 2O7 has been investigated in the range of 0≤y≤0.2. The ferromagnetic transition temperature (TC) increases, while the saturated magnetization decreases, with Ru doping. These indicate that in addition to the doping-induced suppression of charge-orbital correlation, the antiferromagnetic coupling between the Ru and the Mn moments is relevant to the enhancement of TC. The axis of easy magnetization changes from within the in plane to along the c axis with Ru doping, owing to the strong magnetic anisotropy of Ru spins.

Original language	English
Article number	242502
Pages (from-to)	1-3
Number of pages	3
Journal	Applied Physics Letters
Volume	86
Issue number	24
DOIs	https://doi.org/10.1063/1.1947900
Publication status	Published - 2005 Jun 13
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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title = "Impact of Ru doping in bilayered manganese oxide La1.2Sr1.8Mn2O7",

abstract = "The Ru doping effect on the bilayered manganese oxide La1.2Sr1.8 (Mn1-y Ruy) 2O7 has been investigated in the range of 0≤y≤0.2. The ferromagnetic transition temperature (TC) increases, while the saturated magnetization decreases, with Ru doping. These indicate that in addition to the doping-induced suppression of charge-orbital correlation, the antiferromagnetic coupling between the Ru and the Mn moments is relevant to the enhancement of TC. The axis of easy magnetization changes from within the in plane to along the c axis with Ru doping, owing to the strong magnetic anisotropy of Ru spins.",

author = "Y. Onose and He, {J. P.} and Y. Kaneko and T. Arima and Y. Tokura",

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AU - Onose, Y.

AU - He, J. P.

AU - Kaneko, Y.

AU - Arima, T.

AU - Tokura, Y.

N1 - Funding Information: The present paper was in part supported by a Grant-In-Aid for Scientific Research from the MEXT and by the NEDO.

PY - 2005/6/13

Y1 - 2005/6/13

N2 - The Ru doping effect on the bilayered manganese oxide La1.2Sr1.8 (Mn1-y Ruy) 2O7 has been investigated in the range of 0≤y≤0.2. The ferromagnetic transition temperature (TC) increases, while the saturated magnetization decreases, with Ru doping. These indicate that in addition to the doping-induced suppression of charge-orbital correlation, the antiferromagnetic coupling between the Ru and the Mn moments is relevant to the enhancement of TC. The axis of easy magnetization changes from within the in plane to along the c axis with Ru doping, owing to the strong magnetic anisotropy of Ru spins.

AB - The Ru doping effect on the bilayered manganese oxide La1.2Sr1.8 (Mn1-y Ruy) 2O7 has been investigated in the range of 0≤y≤0.2. The ferromagnetic transition temperature (TC) increases, while the saturated magnetization decreases, with Ru doping. These indicate that in addition to the doping-induced suppression of charge-orbital correlation, the antiferromagnetic coupling between the Ru and the Mn moments is relevant to the enhancement of TC. The axis of easy magnetization changes from within the in plane to along the c axis with Ru doping, owing to the strong magnetic anisotropy of Ru spins.

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Impact of Ru doping in bilayered manganese oxide La1.2Sr1.8Mn2O7

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