C H Lee et al 2001 J. Phys.: Condens. Matter 13 L45 doi:10.1088/0953-8984/13/2/102
Structural phase transition accompanied by metal-insulator transition in PrRu4P12
C H Lee1, H Matsuhata1, A Yamamoto1, T Ohta1, H Takazawa1, K Ueno1, C Sekine2, I Shirotani2 and T Hirayama3
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A structural phase transition has been found using electron diffraction technique in PrRu4P12 accompanied by a metal-insulator (M-I) transition (TMI = 60 K). Weak superlattice spots appeared at (H,K,L) (H + K + L = odd) position at a temperature of T = 12 K and 40 K. Above T = 70 K, the spots completely vanished. The space group of the low-temperature phase is probably Pm
. This is the first observation of a symmetry other than Im in skutterudite compounds.
- PACS
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71.30.+h Metal-insulator transitions and other electronic transitions
61.50.Ah Theory of crystal structure, crystal symmetry; calculations and modeling
- Subjects
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Condensed matter: electrical, magnetic and optical
Surfaces, interfaces and thin films
- Dates
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Issue 2 (15 January 2001)
Received 4 October 2000
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Structural phase transition accompanied by metal-insulator transition in PrRu4P12
C H Lee et al 2001 J. Phys.: Condens. Matter 13 L45
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