Hyperfine Interactions in Antiferroquadrupolar Ordering Compound DyB_2C_2 Studied by ^<161>Dy Mossbauer Spectroscopy on the Y-diluted System(Condensed Matter : Electronic Structure, Electrical, Magnetic and Optical Properties)
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概要
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In order to elucidate quadrupolar and magnetic interactions in the antiferroquadrupolar (AFQ) and antiferromagnetic (AFM) ordering compound DyB_2C_2, ^<161>Dy Mossbauer spectroscopy was performed on the Y-diluted system Dy_<1-x>Y_xB_2C_2. 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 DyB_2C_2
- 一般社団法人日本物理学会の論文
- 2004-12-15
著者
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INDOH Kentaro
Institute for Materials Research, Tohoku University
-
Tobo Aya
Department Of Physics Graduate School Of Science Tohoku University
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Onodera Hideya
Department Of Physics Graduate School Of Science Tohoku University
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Ohoyama Kenji
Institute For Materials Of Physics Tohoku University
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