Crystal-lattice modulation of the metal-insulator transition system PrRu4P12 studied by X-ray diffraction

L. Hao, K. Iwasa, K. Kuwahara, M. Kohgi, S. R. Saha, H. Sugawara, Y. Aoki, H. Sato, C. Sekine, C. H. Lee, H. Harima

研究成果: Article査読

26 被引用数 (Scopus)

抄録

PrRu4P12 exhibits a metal-insulator phase transition at TMI = 60 K. In the insulating phase below TMI, X-ray superlattice reflections characterized by the wave vector q0 = [1, 0, 0] were observed. The intensities at various reciprocal-lattice positions are reproduced by a model of modulated structure with the space group Pm3 in which Ru and P displacements are about 0.074% and 0.06%, respectively of the lattice constant. Thus, the transition can be interpreted as the gap formation due to the nesting of Fermi surface with 2kF = [1, 0, 0].

本文言語English
ページ(範囲)e271-e272
ジャーナルJournal of Magnetism and Magnetic Materials
272-276
SUPPL. 1
DOI
出版ステータスPublished - 2004 5 1

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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