Volume 242, Issue 10 pp. 1983-1989
Original Paper

Non-equilibrium acoustic phonons in nanocrystalline ceramics based on C-modification of Y2O3 sesquioxide

S. N. Ivanov

Corresponding Author

S. N. Ivanov

Institute of Radio Engineering and Electronics, Russian Academy of Sciences, 125009 Moscow, Russia

Phone: +7 095 203 50 90, Fax: +7 095 203 84 14Search for more papers by this author
Yu. N. Barabanenkov

Yu. N. Barabanenkov

Institute of Radio Engineering and Electronics, Russian Academy of Sciences, 125009 Moscow, Russia

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A. V. Taranov

A. V. Taranov

Institute of Radio Engineering and Electronics, Russian Academy of Sciences, 125009 Moscow, Russia

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E. N. Khazanov

E. N. Khazanov

Institute of Radio Engineering and Electronics, Russian Academy of Sciences, 125009 Moscow, Russia

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H. Yagi

H. Yagi

Konashima Chemical Co., Takuma Works, 769-1103 Kagawa, Japan

Institute for Laser Science, University of Electro-Communications, 182-8585 Tokyo, Japan

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T. Yanagitani

T. Yanagitani

Konashima Chemical Co., Takuma Works, 769-1103 Kagawa, Japan

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K. Takaichi

K. Takaichi

Institute for Laser Science, University of Electro-Communications, 182-8585 Tokyo, Japan

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J. Lu

J. Lu

Institute for Laser Science, University of Electro-Communications, 182-8585 Tokyo, Japan

Institute of Laser Engineering, Osaka University, 565-0871 Osaka, Japan

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J. F. Bisson

J. F. Bisson

Institute for Laser Science, University of Electro-Communications, 182-8585 Tokyo, Japan

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A. Shirakava

A. Shirakava

Institute for Laser Science, University of Electro-Communications, 182-8585 Tokyo, Japan

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K. Ueda

K. Ueda

Institute for Laser Science, University of Electro-Communications, 182-8585 Tokyo, Japan

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S. N. Bagayev

S. N. Bagayev

Institute of Laser Physics, Russian Academy of Sciences, 630090 Novosibirsk, Russia

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A. A. Kaminskii

A. A. Kaminskii

Institute of Crystallography, Russian Academy of Sciences, 119333 Moscow, Russia

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First published: 29 July 2005
Citations: 5

Abstract

The transport processes in highly transparent nanocrystalline laser-host ceramics based on C-modification of Y2O3 sesquioxide were investigated by the heat-pulse technique. The propagation kinetics of acoustic phonons was studied in the range of liquid helium temperature (1.7–3.8 K). A structural model for the grain boundary layers is suggested and their thickness is estimated. (© 2005 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)

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