Charge-density-wave ordering in the metal-insulator transition compound PrRu4P12
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X-ray and electron diffraction measurements on the metal-insulator (M-I) transition compound PrRu4P12 have revealed a periodic ordering of charge density around the Pr atoms. It is found that the ordering is associated with the onset of a low temperature insulator phase. These conclusions are supported by the facts that the space group of the crystal structure transforms from Im3¯ to Pm3¯ below the M-I transition temperature and also that the temperature dependence of the superlattice peaks in the insulator phase follows the squared BCS function. The M-I transition could be originated from the perfect nesting of the Fermi surface and/or the instability of the f electrons
- American Physical Societyの論文
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関連論文
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