About: Thermal properties of transparent Yb-doped YAG ceramics at elevated temperatures

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	This work presents the thermal properties of ytterbium-doped yttrium aluminium garnet (Yb:YAG) transparent ceramics at elevated temperatures in dependence on the dopant concentration and on temperature. Transparent polycrystalline Yb:YAG ceramics were prepared by solid-state reaction of oxide powders sintered under high vacuum. The dopant amount varied from 0 to 20 at.% of Yb. Thermal diffusivity of the sintered samples was measured by the laser and xenon flash methods at temperatures ranging from room temperature to 900°C. Both the thermal diffusivity and thermal conductivity values decreased with increasing dopant content, and until 500°C a decrease was observed also with increasing temperature. When available, the measured values were compared to data published in literature, and were found to be in good agreement. Based on the measured values, empirical relations in the form of shifted power laws are proposed for the temperature dependence of thermal diffusivity. This work presents the thermal properties of ytterbium-doped yttrium aluminium garnet (Yb:YAG) transparent ceramics at elevated temperatures in dependence on the dopant concentration and on temperature. Transparent polycrystalline Yb:YAG ceramics were prepared by solid-state reaction of oxide powders sintered under high vacuum. The dopant amount varied from 0 to 20 at.% of Yb. Thermal diffusivity of the sintered samples was measured by the laser and xenon flash methods at temperatures ranging from room temperature to 900°C. Both the thermal diffusivity and thermal conductivity values decreased with increasing dopant content, and until 500°C a decrease was observed also with increasing temperature. When available, the measured values were compared to data published in literature, and were found to be in good agreement. Based on the measured values, empirical relations in the form of shifted power laws are proposed for the temperature dependence of thermal diffusivity. (en)
Title	Thermal properties of transparent Yb-doped YAG ceramics at elevated temperatures Thermal properties of transparent Yb-doped YAG ceramics at elevated temperatures (en)
skos:prefLabel	Thermal properties of transparent Yb-doped YAG ceramics at elevated temperatures Thermal properties of transparent Yb-doped YAG ceramics at elevated temperatures (en)
skos:notation	RIV/60461373:22310/14:43898220!RIV15-MSM-22310___
http://linked.open...avai/riv/aktivita	I S
http://linked.open...avai/riv/aktivity	I, S
http://linked.open...iv/cisloPeriodika	8
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Pabst, Willi Hostaša, Jan
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoká škola chemicko-technologická v Praze / Fakulta chemické technologie
http://linked.open...dnocenehoVysledku	50338
http://linked.open...ai/riv/idVysledku	RIV/60461373:22310/14:43898220
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	thermal conductivity; thermal diffusivity; laser flash; Yb-doped YAG (Yb:YAG); transparent ceramics; Thermal properties (en)
http://linked.open.../riv/klicoveSlovo	Thermal properties Yb-doped YAG (Yb:YAG) thermal conductivity thermal diffusivity laser flash transparent ceramics
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[ADB0AF6F5B07]
http://linked.open...i/riv/nazevZdroje	Journal of the American Ceramic Society
http://linked.open...in/vavai/riv/obor	JH
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	97
http://linked.open...iv/tvurceVysledku	Matějíček, Jiří Pabst, Willi Hostaša, Jan Esposito, Laura Nait-Ali, Benoit Smith, David Stanley
issn	0002-7820
number of pages	5 (xsd:int)
http://localhost/t...ganizacniJednotka	22310

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