Disorder-induced Raman scattering in rhenium trioxide (ReO3)
作者： J Purans , A Kuzmin , E Cazzanelli , G Mariotto
DOI: 10.1088/0953-8984/19/22/226206
关键词:
摘要: Raman scattering in cubic metallic perovskite (ReO3) was studied at room temperature for well-crystallized monolith, polycrystalline powder and thin film samples. Defect-induced first-order detected from the sub-surface region, given by penetration depth of a 633 nm laser, its origin explained on basis rigid-ion vibrational model bulk ReO3. A quenching intensity observed crystalline monolithic ReO3 upon increasing up to 250 °C related crystal surface reconstruction/annealing.
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