Formation of layered structure on bismuth-borate glass surface
作者： Gh. Borodi , I. Bratu , S. Simon
DOI: 10.1016/J.MATLET.2007.03.015
关键词: Bulk samples 、 Surface (mathematics) 、 Materials science 、 Diffraction 、 Layered structure 、 Analytical chemistry 、 Amorphous solid 、 Crystallite 、 Bismuth borate 、 Crystallography
摘要: X-ray diffraction analysis shows that the transformation during heat treatment from amorphous to crystalline phases of bismuth-borate glass samples takes place in sequences. After a short treatment, 5 min at 550 °C, layered structure with preferred orientation crystallites on surface is observed. long 8 h same temperature, normal polycrystalline bulk are obtained.
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