Anomalous Magnetic Ordering Phenomena in Tetragonal TbB2C 2 Observed by Neutron Diffraction

Koji Kaneko, Kenji Ohoyama, Susumu Katano, Masaaki Matsuda, Hideya Onodera, Yasuo Yamaguchi

研究成果: Article査読

17 被引用数 (Scopus)

抄録

Detailed neutron diffraction measurements on a single crystalline TbB 2C2 in which magnetic field induced antiferroquadrupolar orderings are realised have been performed to understand characteristics of the transition under zero magnetic field. The results indicate that the magnetic transition phenomena consist of development of at least three magnetic components: (1) a dominant antiferromagnetic component which develops below TN = 21.7 K, (2) a weak long periodic component which develops below about 18 K, and (3) anomalous components with broad magnetic scatterings which develop below about 50 K, which can not be understood by only a short range magnetic ordering. Since these three components develop independently, the transition phenomena in TbB2C2 are much more complicated than expected from a typical λ-type anomaly at TN in the temperature dependence of magnetic specific heat.

本文言語English
ページ(範囲)3024-3029
ページ数6
ジャーナルjournal of the physical society of japan
71
12
DOI
出版ステータスPublished - 2002 12 1

ASJC Scopus subject areas

  • 物理学および天文学(全般)

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