Magnetic anisotropy of the antiferroquadrupole phase in Ce 0.50La0.50B6

Mitsuhiro Akatsu; Terutaka Goto; Osamu Suzuki; Yuichi Nemoto; Shintaro Nakamura; Satoru Kunii; Giyuu Kido

doi:10.1103/PhysRevLett.93.156409

Magnetic anisotropy of the antiferroquadrupole phase in Ce _0.50La_0.50B₆

Mitsuhiro Akatsu, Terutaka Goto, Osamu Suzuki, Yuichi Nemoto, Shintaro Nakamura, Satoru Kunii, Giyuu Kido

Institute for Materials Research (IMR) (institute affiliation only)

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

14 Citations (Scopus)

Abstract

The magnetic anisotropy of antiferroquadrupole (AFQ) phase II and antiferromagnetic (AFM) phase III in Ce_0.50La_0.50B ₆ with a T₈ ground state was investigated by ultrasonic measurements. Gama was employed for measurements up to 30 T and a ³He∓⁴He dilution refrigerator was used for low-temperature experiments down to 20 mK. The phase boundary from paramagnetic phase I to AFQ phase II under [001] magnetic fields closed at H _I∓II ∼ 29 t, while under fields along the [110] and [111] directions even up to 30 T , the boundary was still open. The AFM phase III reduced in the fields turning from the [001] to [110] and [111] directions.

Original language	English
Article number	156409
Pages (from-to)	156409-1-156409-4
Journal	Physical review letters
Volume	93
Issue number	15
DOIs	https://doi.org/10.1103/PhysRevLett.93.156409
Publication status	Published - 2004 Oct 8

ASJC Scopus subject areas

Physics and Astronomy(all)

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10.1103/PhysRevLett.93.156409

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title = "Magnetic anisotropy of the antiferroquadrupole phase in Ce 0.50La0.50B6",

abstract = "The magnetic anisotropy of antiferroquadrupole (AFQ) phase II and antiferromagnetic (AFM) phase III in Ce0.50La0.50B 6 with a T8 ground state was investigated by ultrasonic measurements. Gama was employed for measurements up to 30 T and a 3He∓4He dilution refrigerator was used for low-temperature experiments down to 20 mK. The phase boundary from paramagnetic phase I to AFQ phase II under [001] magnetic fields closed at H I∓II ∼ 29 t, while under fields along the [110] and [111] directions even up to 30 T , the boundary was still open. The AFM phase III reduced in the fields turning from the [001] to [110] and [111] directions.",

author = "Mitsuhiro Akatsu and Terutaka Goto and Osamu Suzuki and Yuichi Nemoto and Shintaro Nakamura and Satoru Kunii and Giyuu Kido",

note = "Funding Information: We thank Dr. R. Shiina for stimulated discussions. The present work was supported by a Grant-in-Aid for Scientific Research from the Ministry of Education, Culture, Sports, Science and Technology of Japan.",

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AU - Akatsu, Mitsuhiro

AU - Goto, Terutaka

AU - Suzuki, Osamu

AU - Nemoto, Yuichi

AU - Nakamura, Shintaro

AU - Kunii, Satoru

AU - Kido, Giyuu

N1 - Funding Information: We thank Dr. R. Shiina for stimulated discussions. The present work was supported by a Grant-in-Aid for Scientific Research from the Ministry of Education, Culture, Sports, Science and Technology of Japan.

PY - 2004/10/8

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N2 - The magnetic anisotropy of antiferroquadrupole (AFQ) phase II and antiferromagnetic (AFM) phase III in Ce0.50La0.50B 6 with a T8 ground state was investigated by ultrasonic measurements. Gama was employed for measurements up to 30 T and a 3He∓4He dilution refrigerator was used for low-temperature experiments down to 20 mK. The phase boundary from paramagnetic phase I to AFQ phase II under [001] magnetic fields closed at H I∓II ∼ 29 t, while under fields along the [110] and [111] directions even up to 30 T , the boundary was still open. The AFM phase III reduced in the fields turning from the [001] to [110] and [111] directions.

AB - The magnetic anisotropy of antiferroquadrupole (AFQ) phase II and antiferromagnetic (AFM) phase III in Ce0.50La0.50B 6 with a T8 ground state was investigated by ultrasonic measurements. Gama was employed for measurements up to 30 T and a 3He∓4He dilution refrigerator was used for low-temperature experiments down to 20 mK. The phase boundary from paramagnetic phase I to AFQ phase II under [001] magnetic fields closed at H I∓II ∼ 29 t, while under fields along the [110] and [111] directions even up to 30 T , the boundary was still open. The AFM phase III reduced in the fields turning from the [001] to [110] and [111] directions.

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Magnetic anisotropy of the antiferroquadrupole phase in Ce _0.50La_0.50B₆

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