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首页> 外文期刊>International Journal of Quantum Chemistry >SURFACE STRUCTURE OF MECHANICALLY ACTIVATED AND OF MECHANOSYNTHESIZED ZINC FERRITE
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SURFACE STRUCTURE OF MECHANICALLY ACTIVATED AND OF MECHANOSYNTHESIZED ZINC FERRITE

机译:机械活化和机械合成的锌铁素体的表面结构

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摘要

Zinc ferrite forms the structure of a normal spinel. A mechanical activation and a mechanosynthesis of zinc ferrite at RT lead to the formation of the metastable inverse spinel structure. The changes in the surface structure of mechanically activated and of mechanosynthesized zinc ferrite as a function of the mechanical treatment time and the relaxation of the mechanically induced inverse spinel structure by thermal treatment in the temperature range 800-1100 K have been studied using the ESCA method. The surface structure of the mechanically disturbed zinc ferrite, compared to the bulk structures of the inverse and normal spinels, and the mechanically induced increase in the reactivity are discussed. 26 refs.
机译:铁酸锌形成普通尖晶石的结构。 RT下的机械活化和铁氧体锌的机械合成导致形成亚稳态反尖晶石结构。使用ESCA方法研究了机械活化时间和机械合成的锌铁氧体表面结构随机械处理时间的变化以及在800-1100 K的温度范围内热处理引起的机械诱导的尖晶石结构弛豫的函数。讨论了与反尖晶石和正尖晶石的整体结构相比,机械扰动的锌铁氧体的表面结构,以及机械诱发的反应性增加。 26个参考

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