Collapse of the itinerant Co moment in Er1-xLuxCo2 by the application of high magnetic fields

M. I. Bartashevich; H. Aruga Katori; T. Goto; H. Wada; T. Maeda; T. Mori; M. Shiga

doi:10.1016/S0921-4526(96)00523-6

Collapse of the itinerant Co moment in Er_1-xLu_xCo₂ by the application of high magnetic fields

M. I. Bartashevich, H. Aruga Katori, T. Goto, H. Wada, T. Maeda, T. Mori, M. Shiga

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

25 Citations (Scopus)

Abstract

The collapse of the Co moment in the ferrimagnetic Er_1-xLu_xCo₂ compounds has been studied by means of magnetization, magnetostriction and ⁵⁹Co spin echo measurements. The collapse of the Co moment is observed at the critical concentration around x = 0.3 in zero magnetic field. The application of a high magnetic field also induces the moment collapse in the compounds below the critical concentration, which is observed as a metamagnetic transition. From the metamagnetic transition field of ErCo₂ observed at 52 T, the exchange constant between Er and Co can be estimated to be J_ErCo = - 1.3 × 10^-22 J.

Original language	English
Pages (from-to)	315-320
Number of pages	6
Journal	Physica B: Condensed Matter
Volume	229
Issue number	3-4
DOIs	https://doi.org/10.1016/S0921-4526(96)00523-6
Publication status	Published - Mar 1997
Externally published	Yes

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering

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title = "Collapse of the itinerant Co moment in Er1-xLuxCo2 by the application of high magnetic fields",

abstract = "The collapse of the Co moment in the ferrimagnetic Er1-xLuxCo2 compounds has been studied by means of magnetization, magnetostriction and 59Co spin echo measurements. The collapse of the Co moment is observed at the critical concentration around x = 0.3 in zero magnetic field. The application of a high magnetic field also induces the moment collapse in the compounds below the critical concentration, which is observed as a metamagnetic transition. From the metamagnetic transition field of ErCo2 observed at 52 T, the exchange constant between Er and Co can be estimated to be JErCo = - 1.3 × 10-22 J.",

author = "Bartashevich, {M. I.} and {Aruga Katori}, H. and T. Goto and H. Wada and T. Maeda and T. Mori and M. Shiga",

year = "1997",

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T1 - Collapse of the itinerant Co moment in Er1-xLuxCo2 by the application of high magnetic fields

AU - Bartashevich, M. I.

AU - Aruga Katori, H.

AU - Goto, T.

AU - Wada, H.

AU - Maeda, T.

AU - Mori, T.

AU - Shiga, M.

PY - 1997/3

Y1 - 1997/3

N2 - The collapse of the Co moment in the ferrimagnetic Er1-xLuxCo2 compounds has been studied by means of magnetization, magnetostriction and 59Co spin echo measurements. The collapse of the Co moment is observed at the critical concentration around x = 0.3 in zero magnetic field. The application of a high magnetic field also induces the moment collapse in the compounds below the critical concentration, which is observed as a metamagnetic transition. From the metamagnetic transition field of ErCo2 observed at 52 T, the exchange constant between Er and Co can be estimated to be JErCo = - 1.3 × 10-22 J.

AB - The collapse of the Co moment in the ferrimagnetic Er1-xLuxCo2 compounds has been studied by means of magnetization, magnetostriction and 59Co spin echo measurements. The collapse of the Co moment is observed at the critical concentration around x = 0.3 in zero magnetic field. The application of a high magnetic field also induces the moment collapse in the compounds below the critical concentration, which is observed as a metamagnetic transition. From the metamagnetic transition field of ErCo2 observed at 52 T, the exchange constant between Er and Co can be estimated to be JErCo = - 1.3 × 10-22 J.

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