Journal
ADVANCED MATERIALS
Volume 24, Issue 41, Pages 5570-5575Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201202282
Keywords
transparent ceramics; glass crystallization; barium aluminate; structure determination; powder diffraction; DFT calculations
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Funding
- ANR [ANR-12-JS08-0002-01]
- Agence Nationale de la Recherche (ANR) [ANR-12-JS08-0002] Funding Source: Agence Nationale de la Recherche (ANR)
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Fully dense, transparent polycrystalline ceramics are simply obtained by direct and complete crystallization from glass. This is demonstrated for the previously unreported composition, BaAl4O7, which exhibits two orthorhombic polymorphs with micrometer grain size, both optically transparent in the visible range. This innovative synthetic route to transparent polycrystalline ceramics should facilitate the discovery of new cost-effective chemical methods for transparent ceramic applications.
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