On the threshold of long-range magnetic order: UNi2/3Rh1/3Al and UCoAl study

V. Sechovský; O. Syshchenko; K. Prokeš; A. V. Andreev; M. I. Bartachevich; T. Goto; Y. Homma; Y. Shiokawa

doi:10.1023/A:1014492302172

On the threshold of long-range magnetic order: UNi_2/3Rh_1/3Al and UCoAl study

V. Sechovský, O. Syshchenko, K. Prokeš, A. V. Andreev, M. I. Bartachevich, T. Goto, Y. Homma, Y. Shiokawa

IMR - Materials Processing and Characterization Division

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

Abstract

We present a comparative study of magnetism in UCoAl and UNi_2/3Rh_1/3Al single crystals. UCoAl is commonly believed to be an itinerant 5 f-electron metamagnet with B_c < 1 T with uniaxial anisotropy. Pressure and alloying effects on the ground state point to competing ferromagnetic and antiferromagnetic interactions to be responsible for the non-magnetic ground state. UNi_2/3Rh_1/3Al is a solid solution between an antiferromagnet (UNiAl) and a ferromagnet (URhAl) and may have a similar underlying microscopic mechanism of the non-magnetic ground state. Possible analogies between the two compounds are discussed.

Original language	English
Pages (from-to)	271-274
Number of pages	4
Journal	Czechoslovak Journal of Physics
Volume	52
Issue number	2
DOIs	https://doi.org/10.1023/A:1014492302172
Publication status	Published - 2002 Feb

Keywords

Antiferromagnetic correlations
Metamagnetism
Non-Fermi liquid behavior
UCoAl
UNiRhAl

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10.1023/A:1014492302172

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@article{b0383bd5866442f1af78b3da72db66ed,

title = "On the threshold of long-range magnetic order: UNi2/3Rh1/3Al and UCoAl study",

abstract = "We present a comparative study of magnetism in UCoAl and UNi2/3Rh1/3Al single crystals. UCoAl is commonly believed to be an itinerant 5 f-electron metamagnet with Bc < 1 T with uniaxial anisotropy. Pressure and alloying effects on the ground state point to competing ferromagnetic and antiferromagnetic interactions to be responsible for the non-magnetic ground state. UNi2/3Rh1/3Al is a solid solution between an antiferromagnet (UNiAl) and a ferromagnet (URhAl) and may have a similar underlying microscopic mechanism of the non-magnetic ground state. Possible analogies between the two compounds are discussed.",

keywords = "Antiferromagnetic correlations, Metamagnetism, Non-Fermi liquid behavior, UCoAl, UNiRhAl",

author = "V. Sechovsk{\'y} and O. Syshchenko and K. Proke{\v s} and Andreev, {A. V.} and Bartachevich, {M. I.} and T. Goto and Y. Homma and Y. Shiokawa",

note = "Funding Information: This research has been supported by the Grant Agency of the Czech Republic (grant # 202/99/0184).",

year = "2002",

month = feb,

doi = "10.1023/A:1014492302172",

language = "English",

volume = "52",

pages = "271--274",

journal = "Czechoslovak Journal of Physics",

issn = "0011-4626",

publisher = "Springer Netherlands",

number = "2",

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T1 - On the threshold of long-range magnetic order

T2 - UNi2/3Rh1/3Al and UCoAl study

AU - Sechovský, V.

AU - Syshchenko, O.

AU - Prokeš, K.

AU - Andreev, A. V.

AU - Bartachevich, M. I.

AU - Goto, T.

AU - Homma, Y.

AU - Shiokawa, Y.

N1 - Funding Information: This research has been supported by the Grant Agency of the Czech Republic (grant # 202/99/0184).

PY - 2002/2

Y1 - 2002/2

N2 - We present a comparative study of magnetism in UCoAl and UNi2/3Rh1/3Al single crystals. UCoAl is commonly believed to be an itinerant 5 f-electron metamagnet with Bc < 1 T with uniaxial anisotropy. Pressure and alloying effects on the ground state point to competing ferromagnetic and antiferromagnetic interactions to be responsible for the non-magnetic ground state. UNi2/3Rh1/3Al is a solid solution between an antiferromagnet (UNiAl) and a ferromagnet (URhAl) and may have a similar underlying microscopic mechanism of the non-magnetic ground state. Possible analogies between the two compounds are discussed.

AB - We present a comparative study of magnetism in UCoAl and UNi2/3Rh1/3Al single crystals. UCoAl is commonly believed to be an itinerant 5 f-electron metamagnet with Bc < 1 T with uniaxial anisotropy. Pressure and alloying effects on the ground state point to competing ferromagnetic and antiferromagnetic interactions to be responsible for the non-magnetic ground state. UNi2/3Rh1/3Al is a solid solution between an antiferromagnet (UNiAl) and a ferromagnet (URhAl) and may have a similar underlying microscopic mechanism of the non-magnetic ground state. Possible analogies between the two compounds are discussed.

KW - Antiferromagnetic correlations

KW - Metamagnetism

KW - Non-Fermi liquid behavior

KW - UCoAl

KW - UNiRhAl

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JF - Czechoslovak Journal of Physics

IS - 2

ER -

On the threshold of long-range magnetic order: UNi_2/3Rh_1/3Al and UCoAl study

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Keywords

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