Second-harmonic generation and x-ray diffraction studies of the pretransitional region and polar phase in relaxor K(1-x)LixTaO3 - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Physical Review B: Condensed Matter and Materials Physics (1998-2015) Année : 2007

Second-harmonic generation and x-ray diffraction studies of the pretransitional region and polar phase in relaxor K(1-x)LixTaO3

Résumé

Optical second-harmonic generation (SHG) observations and precise x-ray diffraction experiments have been performed on quantum paraelectrics KTaO3 (KTO) and relaxors K(1−x)LixTaO3 with x=3% (KLT-3) and 7% (KLT-7). It is found in KLT-3 and KLT-7 that a pretransitional region exists between two characteristic temperatures TB and Tp(

Dates et versions

hal-00176610 , version 1 (04-10-2007)

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H. Yokota, Y. Uesu, C. Malibert, Jean-Michel Kiat. Second-harmonic generation and x-ray diffraction studies of the pretransitional region and polar phase in relaxor K(1-x)LixTaO3. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2007, 75 (18), pp.184113. ⟨10.1103/PhysRevB.75.184113⟩. ⟨hal-00176610⟩
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