Competing magnetic interactions and spin-glass-like behavior in PrCoRuSi2

D. X. Li; S. Nimori; Y. Shiokawa

doi:10.1016/j.jallcom.2003.11.073

Competing magnetic interactions and spin-glass-like behavior in PrCoRuSi₂

D. X. Li, S. Nimori, Y. Shiokawa

Materials Processing and Characterization Division

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

Abstract

The results of dc magnetization, ac susceptibility, magnetic relaxation, specific heat and electrical resistivity measurements on PrCoRuSi₂, an amalgamation of the ferromagnetic compound PrRu₂Si₂ and the antiferromagnetic compound PrCo₂Si₂ crystallizing in the same tetragonal ThCr₂Si₂-type structure, are reported. The data for this sample reveal spin-glass-like anomalies at the temperature T₀=15K where long-range magnetic ordering sets in. Below T ₀, the observed irreversible magnetism, the long-time magnetic relaxation effect as well as the evident upward-shift of the peak temperature of ac susceptibility with increasing frequency are considered to originate, at least partly, from spin-glass-like magnetic frustration due to the competing magnetic interactions.

Original language	English
Pages (from-to)	93-96
Number of pages	4
Journal	Journal of Alloys and Compounds
Volume	374
Issue number	1-2
DOIs	https://doi.org/10.1016/j.jallcom.2003.11.073
Publication status	Published - 2004 Jul 14

Keywords

Magnetic anisotropy
Magnetic susceptibility
PrCoRuSi
Spin-glass

ASJC Scopus subject areas

Mechanics of Materials
Mechanical Engineering
Metals and Alloys
Materials Chemistry

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title = "Competing magnetic interactions and spin-glass-like behavior in PrCoRuSi2",

abstract = "The results of dc magnetization, ac susceptibility, magnetic relaxation, specific heat and electrical resistivity measurements on PrCoRuSi2, an amalgamation of the ferromagnetic compound PrRu2Si2 and the antiferromagnetic compound PrCo2Si2 crystallizing in the same tetragonal ThCr2Si2-type structure, are reported. The data for this sample reveal spin-glass-like anomalies at the temperature T0=15K where long-range magnetic ordering sets in. Below T 0, the observed irreversible magnetism, the long-time magnetic relaxation effect as well as the evident upward-shift of the peak temperature of ac susceptibility with increasing frequency are considered to originate, at least partly, from spin-glass-like magnetic frustration due to the competing magnetic interactions.",

keywords = "Magnetic anisotropy, Magnetic susceptibility, PrCoRuSi, Spin-glass",

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T1 - Competing magnetic interactions and spin-glass-like behavior in PrCoRuSi2

AU - Li, D. X.

AU - Nimori, S.

AU - Shiokawa, Y.

PY - 2004/7/14

Y1 - 2004/7/14

N2 - The results of dc magnetization, ac susceptibility, magnetic relaxation, specific heat and electrical resistivity measurements on PrCoRuSi2, an amalgamation of the ferromagnetic compound PrRu2Si2 and the antiferromagnetic compound PrCo2Si2 crystallizing in the same tetragonal ThCr2Si2-type structure, are reported. The data for this sample reveal spin-glass-like anomalies at the temperature T0=15K where long-range magnetic ordering sets in. Below T 0, the observed irreversible magnetism, the long-time magnetic relaxation effect as well as the evident upward-shift of the peak temperature of ac susceptibility with increasing frequency are considered to originate, at least partly, from spin-glass-like magnetic frustration due to the competing magnetic interactions.

AB - The results of dc magnetization, ac susceptibility, magnetic relaxation, specific heat and electrical resistivity measurements on PrCoRuSi2, an amalgamation of the ferromagnetic compound PrRu2Si2 and the antiferromagnetic compound PrCo2Si2 crystallizing in the same tetragonal ThCr2Si2-type structure, are reported. The data for this sample reveal spin-glass-like anomalies at the temperature T0=15K where long-range magnetic ordering sets in. Below T 0, the observed irreversible magnetism, the long-time magnetic relaxation effect as well as the evident upward-shift of the peak temperature of ac susceptibility with increasing frequency are considered to originate, at least partly, from spin-glass-like magnetic frustration due to the competing magnetic interactions.

KW - Magnetic anisotropy

KW - Magnetic susceptibility

KW - PrCoRuSi

KW - Spin-glass

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