4.8 Article

Pressure-Induced Structural Transition in LuFe2O4: Towards a New Charge Ordered State

Journal

PHYSICAL REVIEW LETTERS
Volume 105, Issue 23, Pages -

Publisher

AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.105.237203

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Funding

  1. French Agence Nationale de la Recherche [ANR-08-BLAN-0005-01, JC08-331297]
  2. Centre National de la Recherche Scientifique (Instrument National de l'INSU)

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The electronic ferroelectric lutetium ferrite (LuFe2O4) was studied by x-ray diffraction as a function of pressure. Pressure is shown to induce an irreversible rhombohedral to orthorhombic transition leading to a supercell determined by the combination of electron and synchrotron x-ray diffraction. This new configuration is proposed to be charge ordered in agreement with the results of resistivity measurements.

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