Journal
INTERNATIONAL JOURNAL OF APPLIED CERAMIC TECHNOLOGY
Volume 19, Issue 2, Pages 644-672Publisher
WILEY
DOI: 10.1111/ijac.13856
Keywords
high-entropy ceramics; sintering; solid solution; transparent ceramics; up-conversion
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Funding
- NSF [1554094]
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High-entropy ceramics have been a recent focus of extensive research, with potential applications in various fields. Current studies mainly concentrate on the properties and fabrication methods of high-entropy ceramics.
High-entropy ceramics have been widely explored and extensively studied since the first demonstration of the configuration entropy stabilized reversible transitions between multiple and single phases by Rost et al. in 2015. Most of the current research on high-entropy ceramics has focused on properties like thermal conductivity, thermoelectricity, structures, and others. Some recent studies have extended the high-entropy concept to the field of transparent ceramics. We reviewed these papers and proposed four potential ceramics groups for high-entropy transparent ceramics including fluoride ceramics, fluorite-deficient and/or ordered pyrochlore A(2)B(2)O(7) ceramics, garnet ceramics, and sesquioxide ceramics. In this article, we review ceramic powder synthesis, the fabrication of transparent ceramics, high-entropy ceramics, and limited cases of high-entropy transparent ceramics for each category. High-entropy transparent ceramics with diverse compositions and structures will provide more possibilities for functional transparent ceramics in the future.
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