Hyperfine interactions in antiferroquadrupolar ordering compound DyB 2C2 studied by161Dy Mössbauer spectroscopy on the Y-diluted system

Kentaro Indoh; Aya Tobo; Kenji Ohoyama; Hideya Onodera

doi:10.1143/JPSJ.73.3462

Hyperfine interactions in antiferroquadrupolar ordering compound DyB ₂C₂ studied by¹⁶¹Dy Mössbauer spectroscopy on the Y-diluted system

Kentaro Indoh, Aya Tobo, Kenji Ohoyama, Hideya Onodera

Institute for Materials Research (IMR)

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

Abstract

In order to elucidate quadrupolar and magnetic interactions in the antiferroquadrupolar (AFQ) and antiferromagnetic (AFM) ordering compound DyB₂C₂, ¹⁶¹Dy Mössbauer spectroscopy was performed on the Y-diluted system Dy_1-xY_xB ₂C₂. The results reveal that the AFQ and AFM interactions compete with each other. The magnetic hyperfine field that is proportional to the magnetic moment strongly depends on the number and site of Y substitution in the nearest neighbors. Some kinds of Y substitution in the neighbors cause larger hyperfine fields than that in DyB₂C₂.

Original language	English
Pages (from-to)	3462-3465
Number of pages	4
Journal	journal of the physical society of japan
Volume	73
Issue number	12
DOIs	https://doi.org/10.1143/JPSJ.73.3462
Publication status	Published - 2004 Dec 1

Keywords

Antiferromagnetic interaction
Antiferroquadrupolar interaction
DyBC
Mössbauer spectroscopy

ASJC Scopus subject areas

Physics and Astronomy(all)

Access to Document

10.1143/JPSJ.73.3462

Cite this

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title = "Hyperfine interactions in antiferroquadrupolar ordering compound DyB 2C2 studied by161Dy M{\"o}ssbauer spectroscopy on the Y-diluted system",

abstract = "In order to elucidate quadrupolar and magnetic interactions in the antiferroquadrupolar (AFQ) and antiferromagnetic (AFM) ordering compound DyB2C2, 161Dy M{\"o}ssbauer spectroscopy was performed on the Y-diluted system Dy1-xYxB 2C2. The results reveal that the AFQ and AFM interactions compete with each other. The magnetic hyperfine field that is proportional to the magnetic moment strongly depends on the number and site of Y substitution in the nearest neighbors. Some kinds of Y substitution in the neighbors cause larger hyperfine fields than that in DyB2C2.",

keywords = "Antiferromagnetic interaction, Antiferroquadrupolar interaction, DyBC, M{\"o}ssbauer spectroscopy",

author = "Kentaro Indoh and Aya Tobo and Kenji Ohoyama and Hideya Onodera",

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T1 - Hyperfine interactions in antiferroquadrupolar ordering compound DyB 2C2 studied by161Dy Mössbauer spectroscopy on the Y-diluted system

AU - Indoh, Kentaro

AU - Tobo, Aya

AU - Ohoyama, Kenji

AU - Onodera, Hideya

PY - 2004/12/1

Y1 - 2004/12/1

N2 - In order to elucidate quadrupolar and magnetic interactions in the antiferroquadrupolar (AFQ) and antiferromagnetic (AFM) ordering compound DyB2C2, 161Dy Mössbauer spectroscopy was performed on the Y-diluted system Dy1-xYxB 2C2. The results reveal that the AFQ and AFM interactions compete with each other. The magnetic hyperfine field that is proportional to the magnetic moment strongly depends on the number and site of Y substitution in the nearest neighbors. Some kinds of Y substitution in the neighbors cause larger hyperfine fields than that in DyB2C2.

AB - In order to elucidate quadrupolar and magnetic interactions in the antiferroquadrupolar (AFQ) and antiferromagnetic (AFM) ordering compound DyB2C2, 161Dy Mössbauer spectroscopy was performed on the Y-diluted system Dy1-xYxB 2C2. The results reveal that the AFQ and AFM interactions compete with each other. The magnetic hyperfine field that is proportional to the magnetic moment strongly depends on the number and site of Y substitution in the nearest neighbors. Some kinds of Y substitution in the neighbors cause larger hyperfine fields than that in DyB2C2.

KW - Antiferromagnetic interaction

KW - Antiferroquadrupolar interaction

KW - DyBC

KW - Mössbauer spectroscopy

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