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Particle size monitoring of BaCl2 nanocrystals in fluorozirconate glasses

: Skrzypczak, U.; Pfau, C.; Bohley, C.; Seifert, G.; Schweizer, S.

Preprint urn:nbn:de:0011-n-2364167 (189 KByte PDF)
MD5 Fingerprint: 7b59c7e3953080cea167d2918a986398
Erstellt am: 22.11.2013

Journal of non-crystalline solids 363 (2013), S.205-208
ISSN: 0022-3093
Zeitschriftenaufsatz, Elektronische Publikation
Fraunhofer CSP ()
diffraction and scattering; X-ray diffraction; nanocrystals

Thermal processing of fluorochlorozirconate glasses leads to the formation of BaCl2 nanocrystals within the glass matrix. An alternative method to determine the size of the nanocrystals is provided by a Rayleigh scattering model based analysis of optical transmittance data. For comparison, the size is extracted from X-ray diffraction data with the Scherrer equation. Additional unwanted inclusions of non-crystalline scattering centers lead to significant differences between the results obtained from both of these techniques. Using these two methods allows for a controlled monitoring of nanocrystal growth in optical materials.