Anomalous Antiferromagnetic Properties of the Tetragonal Compound, TbB2C2
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概要
- 論文の詳細を見る
Magnetic properties of the tetragonal compound TbB2C2 were investigated by means of specific heat, magnetization and neutron diffraction measurements. TbB2C2 is an antiferromagnet with TN = 21.7 K. However, the magnetic susceptibility exhibits no cusp-like anomaly but shows an increase below TN. In the ground state, the magnetic moments of Tb lie in the basal c-plane and the magnetic structure can be described with the propagation vectors of the dominant component of k=[0 1 1/2] with the weak components of k′=[0 0 1/2]. In addition, there also exists a weak longitudinal sinusoidal moment-modulation type component which is represented by kL=[1±δ ±δ 0], where δ=0.13. Although the fundamental magnetic correlation in RB2C2 is [1 0 0]-type, the dominant component in the ground state of TbB2C2 is k=[0 1 1/2]-type.
- Physical Society of Japanの論文
- 2001-10-15
著者
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KANEKO Koji
Institute for Materials Research, Tohoku University
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Tobo Aya
Institute For Materials Research Tohoku University
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Onodera Hideya
Institute For Materials Research
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Yamaguchi Yasuo
Institute For Materials Research Tohoku University
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Ohoyama Kenji
Institute For Materials Of Physics Tohoku University
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Kaneko Koji
Institute for Materials Research, Tohoku University, Sendai 980-8577
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Tobo Aya
Institute for Materials Research, Tohoku University, Sendai 980-8577
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Yamaguchi Hiroki
Institute for Materials Research, Tohoku University, Sendai 980-8577
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Onodera Hideya
Institute for Materials Research, Tohoku University, Sendai 980-8577
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Yamauchi Hiroki
Institute for Materials Research, Tohoku University, Sendai 980-8577
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