Angle-resolved magnetization measurements on antiferroquadrupolar ordering system PrPb3: Evidence for anisotropic quadrupolar interaction

Takahiro Onimaru; Toshiro Sakakibara; Akira Harita; Takashi Tayama; Dai Aoki; Yoshichika Onuki

doi:10.1143/JPSJ.73.2377

Angle-resolved magnetization measurements on antiferroquadrupolar ordering system PrPb₃: Evidence for anisotropic quadrupolar interaction

Takahiro Onimaru, Toshiro Sakakibara, Akira Harita, Takashi Tayama, Dai Aoki, Yoshichika Onuki

Materials Processing and Characterization Division

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

28 Citations (Scopus)

Abstract

Angle-resolved magnetization measurements have been performed on PrPb ₃ at temperatures down to 0.35 K and magnetic fields up to 4 T to examine the field-orientational dependence of the anti-ferroquadrupolar (AFQ) ordering temperature T_Q in detail. Field rotation within the (001) and (110) planes revealed that T_Q takes a v-shape minimum not only along the [111] direction but also along the [110] direction. The results are incompatible with those obtained using an isotropic AFQ interaction model, and strongly suggest the existence of an anisotropic AFQ interaction that stabilizes the O₂⁰ phase or its equivalents in all directions in a wide field range.

Original language	English
Pages (from-to)	2377-2380
Number of pages	4
Journal	journal of the physical society of japan
Volume	73
Issue number	9
DOIs	https://doi.org/10.1143/JPSJ.73.2377
Publication status	Published - 2004 Sept 1

Keywords

Antiferroquadrupolar ordering
Magnetization
Octupole interaction
Phase diagram
PrPb
Quadrupole interaction

ASJC Scopus subject areas

Physics and Astronomy(all)

Access to Document

10.1143/JPSJ.73.2377

Cite this

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title = "Angle-resolved magnetization measurements on antiferroquadrupolar ordering system PrPb3: Evidence for anisotropic quadrupolar interaction",

abstract = "Angle-resolved magnetization measurements have been performed on PrPb 3 at temperatures down to 0.35 K and magnetic fields up to 4 T to examine the field-orientational dependence of the anti-ferroquadrupolar (AFQ) ordering temperature TQ in detail. Field rotation within the (001) and (110) planes revealed that TQ takes a v-shape minimum not only along the [111] direction but also along the [110] direction. The results are incompatible with those obtained using an isotropic AFQ interaction model, and strongly suggest the existence of an anisotropic AFQ interaction that stabilizes the O20 phase or its equivalents in all directions in a wide field range.",

keywords = "Antiferroquadrupolar ordering, Magnetization, Octupole interaction, Phase diagram, PrPb, Quadrupole interaction",

author = "Takahiro Onimaru and Toshiro Sakakibara and Akira Harita and Takashi Tayama and Dai Aoki and Yoshichika Onuki",

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T1 - Angle-resolved magnetization measurements on antiferroquadrupolar ordering system PrPb3

T2 - Evidence for anisotropic quadrupolar interaction

AU - Onimaru, Takahiro

AU - Sakakibara, Toshiro

AU - Harita, Akira

AU - Tayama, Takashi

AU - Aoki, Dai

AU - Onuki, Yoshichika

PY - 2004/9/1

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AB - Angle-resolved magnetization measurements have been performed on PrPb 3 at temperatures down to 0.35 K and magnetic fields up to 4 T to examine the field-orientational dependence of the anti-ferroquadrupolar (AFQ) ordering temperature TQ in detail. Field rotation within the (001) and (110) planes revealed that TQ takes a v-shape minimum not only along the [111] direction but also along the [110] direction. The results are incompatible with those obtained using an isotropic AFQ interaction model, and strongly suggest the existence of an anisotropic AFQ interaction that stabilizes the O20 phase or its equivalents in all directions in a wide field range.

KW - Antiferroquadrupolar ordering

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