High-field magnetization in transuranium compound

K. Sugiyama; H. Nakashima; D. Aoki; S. Ikeda; Y. Haga; E. Yamamoto; A. Nakamura; Y. Homma; Y. Shiokawa; K. Kindo; M. Hagiwara; Y. Onuki

doi:10.1016/j.jmmm.2006.10.701

High-field magnetization in transuranium compound

K. Sugiyama, H. Nakashima, D. Aoki, S. Ikeda, Y. Haga, E. Yamamoto, A. Nakamura, Y. Homma, Y. Shiokawa, K. Kindo, M. Hagiwara, Y. Onuki

Materials Processing and Characterization Division

Research output: Contribution to journal › Article

Abstract

We measured the high-field magnetization up to 55 T and constructed a magnetic phase diagram for a transuranium antiferromagnet NpRhGa₅ with the tetragonal structure. The magnetization at 4.2 K for H ∥ [1 0 0] indicates a sharp metamagnetic transition with a step at H_c = 26 T and saturates above H_s = 38 T, reaching 0.43 μ_B / Np. An ordered moment of 0.96 μ_B / Np at zero field, which was determined from the neutron scattering experiment, is found to be reduced to 0.43 μ_B / Np at H_s, together with an orientation of the magnetic moment from the (0 0 1) plane to the (1 0 0) plane.

Original language	English
Pages (from-to)	1789-1791
Number of pages	3
Journal	Journal of Magnetism and Magnetic Materials
Volume	310
Issue number	2 SUPPL. PART 2
DOIs	https://doi.org/10.1016/j.jmmm.2006.10.701
Publication status	Published - 2007 Mar 1

Keywords

High field magnetization
Magnetic anisotropy
Metamagnetic magnetization
NpRhGa

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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Sugiyama, K., Nakashima, H., Aoki, D., Ikeda, S., Haga, Y., Yamamoto, E., Nakamura, A., Homma, Y., Shiokawa, Y., Kindo, K., Hagiwara, M., & Onuki, Y. (2007). High-field magnetization in transuranium compound. Journal of Magnetism and Magnetic Materials, 310(2 SUPPL. PART 2), 1789-1791. https://doi.org/10.1016/j.jmmm.2006.10.701

@article{d7b7542f8da34ad9876ace8494233607,

title = "High-field magnetization in transuranium compound",

abstract = "We measured the high-field magnetization up to 55 T and constructed a magnetic phase diagram for a transuranium antiferromagnet NpRhGa5 with the tetragonal structure. The magnetization at 4.2 K for H ∥ [1 0 0] indicates a sharp metamagnetic transition with a step at Hc = 26 T and saturates above Hs = 38 T, reaching 0.43 μB / Np. An ordered moment of 0.96 μB / Np at zero field, which was determined from the neutron scattering experiment, is found to be reduced to 0.43 μB / Np at Hs, together with an orientation of the magnetic moment from the (0 0 1) plane to the (1 0 0) plane.",

keywords = "High field magnetization, Magnetic anisotropy, Metamagnetic magnetization, NpRhGa",

author = "K. Sugiyama and H. Nakashima and D. Aoki and S. Ikeda and Y. Haga and E. Yamamoto and A. Nakamura and Y. Homma and Y. Shiokawa and K. Kindo and M. Hagiwara and Y. Onuki",

year = "2007",

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doi = "10.1016/j.jmmm.2006.10.701",

language = "English",

volume = "310",

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journal = "Journal of Magnetism and Magnetic Materials",

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TY - JOUR

T1 - High-field magnetization in transuranium compound

AU - Sugiyama, K.

AU - Nakashima, H.

AU - Aoki, D.

AU - Ikeda, S.

AU - Haga, Y.

AU - Yamamoto, E.

AU - Nakamura, A.

AU - Homma, Y.

AU - Shiokawa, Y.

AU - Kindo, K.

AU - Hagiwara, M.

AU - Onuki, Y.

PY - 2007/3/1

Y1 - 2007/3/1

N2 - We measured the high-field magnetization up to 55 T and constructed a magnetic phase diagram for a transuranium antiferromagnet NpRhGa5 with the tetragonal structure. The magnetization at 4.2 K for H ∥ [1 0 0] indicates a sharp metamagnetic transition with a step at Hc = 26 T and saturates above Hs = 38 T, reaching 0.43 μB / Np. An ordered moment of 0.96 μB / Np at zero field, which was determined from the neutron scattering experiment, is found to be reduced to 0.43 μB / Np at Hs, together with an orientation of the magnetic moment from the (0 0 1) plane to the (1 0 0) plane.

AB - We measured the high-field magnetization up to 55 T and constructed a magnetic phase diagram for a transuranium antiferromagnet NpRhGa5 with the tetragonal structure. The magnetization at 4.2 K for H ∥ [1 0 0] indicates a sharp metamagnetic transition with a step at Hc = 26 T and saturates above Hs = 38 T, reaching 0.43 μB / Np. An ordered moment of 0.96 μB / Np at zero field, which was determined from the neutron scattering experiment, is found to be reduced to 0.43 μB / Np at Hs, together with an orientation of the magnetic moment from the (0 0 1) plane to the (1 0 0) plane.

KW - High field magnetization

KW - Magnetic anisotropy

KW - Metamagnetic magnetization

KW - NpRhGa

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DO - 10.1016/j.jmmm.2006.10.701

M3 - Article

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SP - 1789

EP - 1791

JO - Journal of Magnetism and Magnetic Materials

JF - Journal of Magnetism and Magnetic Materials

SN - 0304-8853

IS - 2 SUPPL. PART 2

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