Journal
OPTICAL MATERIALS EXPRESS
Volume 3, Issue 6, Pages 893-903Publisher
OPTICAL SOC AMER
DOI: 10.1364/OME.3.000893
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Funding
- National Science Foundation (NSF) [DMR 0956071]
- Direct For Mathematical & Physical Scien [0956071] Funding Source: National Science Foundation
- Division Of Materials Research [0956071] Funding Source: National Science Foundation
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We present a method for the preparation of transparent Tb doped zirconia (Tb:ZrO2) ceramics that luminesce in the visible. The visible luminescence is temperature dependent, yielding samples that have integrated temperatures sensing capabilities. Our approach is to simultaneously react and densify ZrO2 and Tb4O7 using current activated pressure assisted densification (CAPAD). The Tb dopant serves to both stabilize the tetragonal phase of zirconia and for emitting light. The Tb:ZrO2 ceramics have an excellent combination of structural and optical properties; the toughness is comparable to yttria stabilized zirconia and the transparency in the visible is high. Moreover, the luminescent lifetimes are long and amenable to luminescent thermometry. The ceramics have promise as thermal barrier materials and high-strength windows with built-in temperature measurement capabilities. (C) 2013 Optical Society of America
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