Field-induced valence transition of EuNi2(Si1-xGex)2 in ultra-high magnetic fields

M. Shiga; A. Mitsuda; H. Wada; V. V. Platonov; O. M. Tatsenko; V. D. Selemir; R. Z. Levitin

doi:10.1016/S0921-4526(00)00655-4

Field-induced valence transition of EuNi₂(Si_1-xGe_x)₂ in ultra-high magnetic fields

M. Shiga, A. Mitsuda, H. Wada, V. V. Platonov, O. M. Tatsenko, V. D. Selemir, R. Z. Levitin

Research output: Contribution to journal › Article

2 Citations (Scopus)

Abstract

The EuNi₂(Si_1-xGe_x)₂ system exhibits a temperature- and field-induced valence transition from Eu³⁺ to Eu²⁺ in the concentration range 0.75≤x≤0.85. In this study, we performed magnetization measurements on compounds with 0.5≤x≤0.75 in ultra-high fields up to 300 T generated by explosive compression of magnetic flux. We observed a jump of the magnetization, indicating a field-induced valence change from Eu³⁺ to Eu²⁺ for each compound. The critical field increases linearly with decreasing x and reaches a value of 225 T for x = 0.5.

Original language	English
Pages (from-to)	262-266
Number of pages	5
Journal	Physica B: Condensed Matter
Volume	294-295
DOIs	https://doi.org/10.1016/S0921-4526(00)00655-4
Publication status	Published - Jan 2001
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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10.1016/S0921-4526(00)00655-4

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Shiga, M., Mitsuda, A., Wada, H., Platonov, V. V., Tatsenko, O. M., Selemir, V. D., & Levitin, R. Z. (2001). Field-induced valence transition of EuNi₂(Si_1-xGe_x)₂ in ultra-high magnetic fields. Physica B: Condensed Matter, 294-295, 262-266. https://doi.org/10.1016/S0921-4526(00)00655-4

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title = "Field-induced valence transition of EuNi2(Si1-xGex)2 in ultra-high magnetic fields",

abstract = "The EuNi2(Si1-xGex)2 system exhibits a temperature- and field-induced valence transition from Eu3+ to Eu2+ in the concentration range 0.75≤x≤0.85. In this study, we performed magnetization measurements on compounds with 0.5≤x≤0.75 in ultra-high fields up to 300 T generated by explosive compression of magnetic flux. We observed a jump of the magnetization, indicating a field-induced valence change from Eu3+ to Eu2+ for each compound. The critical field increases linearly with decreasing x and reaches a value of 225 T for x = 0.5.",

author = "M. Shiga and A. Mitsuda and H. Wada and Platonov, {V. V.} and Tatsenko, {O. M.} and Selemir, {V. D.} and Levitin, {R. Z.}",

year = "2001",

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doi = "10.1016/S0921-4526(00)00655-4",

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AU - Shiga, M.

AU - Mitsuda, A.

AU - Wada, H.

AU - Platonov, V. V.

AU - Tatsenko, O. M.

AU - Selemir, V. D.

AU - Levitin, R. Z.

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AB - The EuNi2(Si1-xGex)2 system exhibits a temperature- and field-induced valence transition from Eu3+ to Eu2+ in the concentration range 0.75≤x≤0.85. In this study, we performed magnetization measurements on compounds with 0.5≤x≤0.75 in ultra-high fields up to 300 T generated by explosive compression of magnetic flux. We observed a jump of the magnetization, indicating a field-induced valence change from Eu3+ to Eu2+ for each compound. The critical field increases linearly with decreasing x and reaches a value of 225 T for x = 0.5.

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