EMISSIVE CERAMIC MATERIALS HAVING A DOPANT CONCENTRATION GRADIENT AND METHODS OF MAKING AND USING THE SAME
Disclosed herein are emissive ceramic materials having a dopant concentration gradient along a thickness of a yttrium aluminum garnet (YAG) region. The dopant concentration gradient may include a maximum dopant concentration, a half-maximum dopant concentration, and a slope at or near the half-maxim...
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Main Authors | , , , , , , |
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Format | Patent |
Language | English Korean |
Published |
09.01.2014
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Subjects | |
Online Access | Get full text |
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Summary: | Disclosed herein are emissive ceramic materials having a dopant concentration gradient along a thickness of a yttrium aluminum garnet (YAG) region. The dopant concentration gradient may include a maximum dopant concentration, a half-maximum dopant concentration, and a slope at or near the half-maximum dopant concentration. The emissive ceramics may, in some embodiments, exhibit high internal quantum efficiencies (IQE). The emissive ceramics may, in some embodiments, include porous regions. Also disclosed herein are methods of make the emissive ceramic by sintering an assembly having doped and non-doped layers. |
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Bibliography: | Application Number: KR20137016516 |