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Growth Mechanisms in SAPO-34 Studied by White Light Interferometry and Atomic Force Microscopy

Holme, B; Cubillas, P; Cavka, JH; Slater, B; Anderson, MW; Akporiaye, D; (2010) Growth Mechanisms in SAPO-34 Studied by White Light Interferometry and Atomic Force Microscopy. CRYST GROWTH DES , 10 (7) 2824 - 2828. 10.1021/cg9016118.

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Abstract

The combined use of white light interferometry (WLI) and atomic force microscopy (AFM) revealed pentagonal growth spirals on the surface of SAPO-34 crystals. Detailed considerations of the crystal geometry and preferred step energies may explain the unusual shape of these growth spirals. Combining WLI and AFM is an efficient method for screening and detailed analysis of growth hillocks on crystals larger than 10 mu m.

Type:Article
Title:Growth Mechanisms in SAPO-34 Studied by White Light Interferometry and Atomic Force Microscopy
DOI:10.1021/cg9016118
Keywords:MOLECULAR-SIEVES, CATALYTIC PERFORMANCE, CRYSTAL-GROWTH, CHLOROMETHANE TRANSFORMATION, SURFACE-STRUCTURE, AFM OBSERVATION, SPIRAL GROWTH, ZEOLITE-A, METHANOL, CONVERSION
UCL classification:UCL > School of BEAMS > Faculty of Maths and Physical Sciences > Chemistry

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