Ferromagnetic metal to cluster-glass insulator transition induced by A -site disorder in manganites

K. F. Wang; Y. Wang; L. F. Wang; S. Dong; H. Yu; Q. C. Li; J. M. Liu; Z. F. Ren

doi:10.1063/1.2194826

Ferromagnetic metal to cluster-glass insulator transition induced by A -site disorder in manganites

K. F. Wang, Y. Wang, L. F. Wang, S. Dong, H. Yu, Q. C. Li, J. M. Liu, Z. F. Ren

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17 Citations (Scopus)

Abstract

The magnetotransport behaviors of a series of rare earth manganites with the same A -site cational mean radius and different A -site ionic radii variance (A -site disorder) are investigated. It is found that the system's ground state transforms from ferromagnetic metal to cluster-glass insulator with increasing A -site disorder. In the cluster-glass state, the magnetization shows the steplike behavior, indicating the existence of short-range magnetically ordered clusters. The significant effect of the A -site disorder on the electronic phase separation is revealed by detecting the cluster-glass ground state at low temperature.

Original language	English
Article number	152505
Journal	Applied Physics Letters
Volume	88
Issue number	15
DOIs	https://doi.org/10.1063/1.2194826
Publication status	Published - 10 Apr 2006
Externally published	Yes

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abstract = "The magnetotransport behaviors of a series of rare earth manganites with the same A -site cational mean radius and different A -site ionic radii variance (A -site disorder) are investigated. It is found that the system's ground state transforms from ferromagnetic metal to cluster-glass insulator with increasing A -site disorder. In the cluster-glass state, the magnetization shows the steplike behavior, indicating the existence of short-range magnetically ordered clusters. The significant effect of the A -site disorder on the electronic phase separation is revealed by detecting the cluster-glass ground state at low temperature.",

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T1 - Ferromagnetic metal to cluster-glass insulator transition induced by A -site disorder in manganites

AU - Wang, K. F.

AU - Wang, Y.

AU - Wang, L. F.

AU - Dong, S.

AU - Yu, H.

AU - Li, Q. C.

AU - Liu, J. M.

AU - Ren, Z. F.

PY - 2006/4/10

Y1 - 2006/4/10

N2 - The magnetotransport behaviors of a series of rare earth manganites with the same A -site cational mean radius and different A -site ionic radii variance (A -site disorder) are investigated. It is found that the system's ground state transforms from ferromagnetic metal to cluster-glass insulator with increasing A -site disorder. In the cluster-glass state, the magnetization shows the steplike behavior, indicating the existence of short-range magnetically ordered clusters. The significant effect of the A -site disorder on the electronic phase separation is revealed by detecting the cluster-glass ground state at low temperature.

AB - The magnetotransport behaviors of a series of rare earth manganites with the same A -site cational mean radius and different A -site ionic radii variance (A -site disorder) are investigated. It is found that the system's ground state transforms from ferromagnetic metal to cluster-glass insulator with increasing A -site disorder. In the cluster-glass state, the magnetization shows the steplike behavior, indicating the existence of short-range magnetically ordered clusters. The significant effect of the A -site disorder on the electronic phase separation is revealed by detecting the cluster-glass ground state at low temperature.

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VL - 88

JO - Applied Physics Letters

JF - Applied Physics Letters

IS - 15

M1 - 152505

ER -

Ferromagnetic metal to cluster-glass insulator transition induced by A -site disorder in manganites

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