Phase separation and ferromagnetic transition in B-site substituted Nd1/2Ca1/2MnO3

A. Machida; Y. Moritomo; K. Ohoyama; T. Katsufuji; A. Nakamura

Phase separation and ferromagnetic transition in B-site substituted Nd_1/2Ca_1/2MnO₃

A. Machida, Y. Moritomo, K. Ohoyama, T. Katsufuji, A. Nakamura

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

Abstract

B-site substitution effects on the structural and magnetic properties are investigated in Nd_1/2Ca_1/2(Mn_0.97M_0.03) O₃ (M = Al, Zn, Sc, Fe, Ni, Co, and Cr). With decreases of temperature below ∼200 K, these compounds transform into a two-phase state. With further decrease of temperature below ∼100 K, the Cr-, Co-, and Ni-doped compounds show the ferromagnetic transition, while the other compounds show only the antiferromagnetic component. We discuss these dopant-dependent ferromagnetic transition in terms of the effective one-electron bandwidth of the e _g band.

Original language	English
Article number	064435
Pages (from-to)	644351-644356
Number of pages	6
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	65
Issue number	6
Publication status	Published - 2002 Feb 1
Externally published	Yes

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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T1 - Phase separation and ferromagnetic transition in B-site substituted Nd1/2Ca1/2MnO3

AU - Machida, A.

AU - Moritomo, Y.

AU - Ohoyama, K.

AU - Katsufuji, T.

AU - Nakamura, A.

PY - 2002/2/1

Y1 - 2002/2/1

N2 - B-site substitution effects on the structural and magnetic properties are investigated in Nd1/2Ca1/2(Mn0.97M0.03) O3 (M = Al, Zn, Sc, Fe, Ni, Co, and Cr). With decreases of temperature below ∼200 K, these compounds transform into a two-phase state. With further decrease of temperature below ∼100 K, the Cr-, Co-, and Ni-doped compounds show the ferromagnetic transition, while the other compounds show only the antiferromagnetic component. We discuss these dopant-dependent ferromagnetic transition in terms of the effective one-electron bandwidth of the e g band.

AB - B-site substitution effects on the structural and magnetic properties are investigated in Nd1/2Ca1/2(Mn0.97M0.03) O3 (M = Al, Zn, Sc, Fe, Ni, Co, and Cr). With decreases of temperature below ∼200 K, these compounds transform into a two-phase state. With further decrease of temperature below ∼100 K, the Cr-, Co-, and Ni-doped compounds show the ferromagnetic transition, while the other compounds show only the antiferromagnetic component. We discuss these dopant-dependent ferromagnetic transition in terms of the effective one-electron bandwidth of the e g band.

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Phase separation and ferromagnetic transition in B-site substituted Nd_1/2Ca_1/2MnO₃

Abstract

ASJC Scopus subject areas

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