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Formation of a unique glass by spark plasma sintering of a zeolite
Stockholm University, Faculty of Science, Department of Physical, Inorganic and Structural Chemistry.
2009 (English)In: Journal of Materials Research, ISSN 0884-2914, Vol. 24, no 10, 3241-3245 p.Article in journal (Refereed) Published
Abstract [en]

A simple approach, order–disorder transition (ODT), has been developed to synthesize a novel glass using ZSM-5 as starting materials. In this process, the ZSM-5 powders were pressed uniaxially in a graphite die and rapidly sintered using spark plasma sintering (SPS). High-resolution transmission electron microscopic images revealed that a few crystalline zeolite fragments were still preserved locally inside the SPS consolidated sample. Vickers microhardness and fracture toughness of this as-prepared transparent glass sample at room temperature reaches 7.3 ± 0.2 GPa and 2.0 ± 0.3MPa·m1/2, respectively. It is very interesting that these novel bulk transparent glasses exhibit ultraviolet photoluminescence (PL) properties at about ∼360 nm.

Place, publisher, year, edition, pages
2009. Vol. 24, no 10, 3241-3245 p.
Keyword [en]
Luminescence, Sintering, Zeolite
National Category
Inorganic Chemistry
Research subject
Inorganic Chemistry
URN: urn:nbn:se:su:diva-36806DOI: 10.1557/jmr.2009.0385ISI: 000270500100032OAI: diva2:290327
Available from: 2010-01-26 Created: 2010-01-26 Last updated: 2011-05-13Bibliographically approved

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Shen, Zhijian
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