Towards X‐ray in‐situ visualization of ammonothermal crystal growth of nitrides

Autor:	Ulrike Künecke, Saskia Schimmel, Nicolas S. A. Alt, Hasan Baser, Benjamin Hertweck, Peter J. Wellmann, Thomas G. Steigerwald, Eberhard Schlücker, Wilhelm Schwieger
Rok vydání:	2014
Předmět:	Materials science X-ray Crystal growth Nitride Condensed Matter Physics Hydrothermal circulation Autoclave Crystallography chemistry.chemical_compound Chemical engineering chemistry visual_art visual_art.visual_art_medium Aluminium oxide Ceramic Dissolution
Zdroj:	physica status solidi c. 11:1439-1442
ISSN:	1610-1642 1862-6351
DOI:	10.1002/pssc.201300656
Popis:	In-situ X-ray visualization of hydrothermal growth of silicalite-1 is applied as an intermediate step for developing X-ray in-situ visualization techniques for ammonothermal growth of nitride materials. In-situ X-ray imaging of silicalite-1 crystals grown by the bulk material dissolution technique (Shimizu and Hamada, Angew. Chem., Int. Ed. 38, 2725 (1999) [1]) is demonstrated using a stainless steel autoclave equipped with ceramic aluminium oxide windows. Processes in the reaction medium such as local density changes are also visualized. The transferability of the technique to ammonothermal growth of nitrides is evaluated. Furthermore, the applicability of windowless autoclaves for X-ray in-situ monitoring of ammonothermal crystal growth of nitrides is investigated. (© 2014 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)
Databáze:	OpenAIRE
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