ANISOTROPY OF ELASTIC PROPERTIES AND CENTRAL PEAK BEHAVIORS OF UNIAXIAL STRONTIUM BARIUM NIOBATE RELAXOR SINGLE CRYSTALS-Reference-Cited by-同舟云学术

ANISOTROPY OF ELASTIC PROPERTIES AND CENTRAL PEAK BEHAVIORS OF UNIAXIAL STRONTIUM BARIUM NIOBATE RELAXOR SINGLE CRYSTALS

Published:2011-01 Issue:01 Volume:01 Page:91-97
ISSN:2010-135X
Container-title:Journal of Advanced Dielectrics
language:en
Short-container-title:J. Adv. Dielect.

Author:

KO JAE-HYEON¹,KIM TAE HYUN¹,KOJIMA SEIJI²,LIM KI-SOO³,KOO TAE-YEONG⁴

Affiliation:

1. Department of Physics, Hallym University, Hallymdaehakgil 39, Chuncheon, Gangwondo 200-702, Republic of Korea

2. Institute of Materials Science, University of Tsukuba, Tsukuba, Ibaraki 305-8573, Japan

3. Department of Physics, Chungbuk National University, Cheongju 361-763, Republic of Korea

4. Pohang Accelerator Laboratory, Pohang University of Science and Technology, Pohang 790-784, Republic of Korea

Abstract

The elastic properties of strontium barium niobate single crystals with different strontium content were investigated. The elastic constant and the related hypersonic attenuation showed substantially different values depending on the propagating direction of acoustic waves. This elastic anisotropy was explained based on the uniaxial nature of the order parameter and the diffuse ferroelectric phase transition in this tetragonal system. This observation was correlated with the appearance of strongly polarized central peaks, which reflects strong polarization fluctuations along the uniaxial polar direction.

Publisher

World Scientific Pub Co Pte Lt

Subject

Electrical and Electronic Engineering,Condensed Matter Physics,Ceramics and Composites,Electronic, Optical and Magnetic Materials

Link

https://www.worldscientific.com/doi/pdf/10.1142/S2010135X11000124

Reference21 articles.

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1. Elastic Constants and Quasi-elastic Central Peaks of Ferroelectric Lead Barium Niobate Single Crystals Studied by Brillouin Spectroscopy;Journal of the Korean Physical Society;2020-02

2. Electric field effect on elastic properties of uniaxial relaxor SrxBa1−xNb2O6single crystals with strong random fields;Japanese Journal of Applied Physics;2017-09-26

3. Effects of Sr content and bias field on acoustic properties of strontium barium niobate studied by Brillouin light scattering;Applied Physics Letters;2011-11-21