Elastic constants of langasite and alpha quartz at high temperatures measured by antenna transmission acoustic resonance

Nakamura, N.; Sakamoto, M.; Ogi, H.; Hirao, M.

doi:https://doi.org/10.1063/1.4731657

Elastic constants of langasite and alpha quartz at high temperatures measured by antenna transmission acoustic resonance

Nakamura, N.; Sakamoto, M.; Ogi, H. et al.

Review of Scientific Instruments, 2012, 83(7), 073901-1-073901-7

Number of Access:484（2025-11-25 02:19 Counts）

Identifier to cite or link to this item: https://hdl.handle.net/11094/84237

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Title	Elastic constants of langasite and alpha quartz at high temperatures measured by antenna transmission acoustic resonance
Creator	NRID 1000050452404 1000050452404 researchmap permalink nnakamura nnakamura Scopus Author ID 7403356186 7403356186 ORCID 0000-0002-5338-842X 0000-0002-5338-842X CreatorName Nakamura, N.
	CreatorName Sakamoto, M.
	NRID 1000090252626 1000090252626 researchmap permalink read0042771 read0042771 Scopus Author ID 35563683500 35563683500 ORCID 0000-0002-9602-5194 0000-0002-9602-5194 CreatorName Ogi, H.
	NRID 1000080112027 1000080112027 CreatorName Hirao, M.
Description	Nakamura N., Sakamoto M., Ogi H., et al. "Elastic constants of langasite and alpha quartz at high temperatures measured by antenna transmission acoustic resonance", Review of Scientific Instruments, 83(7), 073901 (2012) https://doi.org/10.1063/1.4731657.
Abstract	A method for measuring elastic constants of piezoelectric materials at high temperature up to 1224 K is proposed. It determines all independent elastic constants by measuring resonance frequencies of a rectangular parallelepiped piezoelectric specimen contactlessly using its own piezoelectricity with an antenna. Without using conventional contacting piezoelectric transducers, vibrational sources are excited directly in the specimen by the oscillating electric field. Capability of the method is demonstrated by measuring the elastic constants of langasite at high temperature up to 1224 K, and temperature coefficients of the elastic constants are determined. In addition, elastic constants of alpha quartz are measured at high temperature up to just below the alpha-beta phase transition temperature. Considering the local deformation with temperature increment, an interpretation based on the strain energy reduction is proposed for the unusual temperature dependence of C 66. Furthermore, the internal-friction tensor is measured, and the relationship between the observed anisotropy in internal friction and the structural evolution with temperature increment is discussed. © 2012 American Institute of Physics.
Publisher	American Institute of Physics
Source Title	Review of Scientific Instruments
Volume (Issue)	83(7)
Page	073901-1-073901-7
Date of Issued	2012-07-05
Language	English
Handle URL	https://hdl.handle.net/11094/84237
PISSN	00346748
eISSN	10897623
NCID	AA00817730
NCID	AA12442307
Relation.isIdenticalTo	DOI (Publisher Version) https://doi.org/10.1063/1.4731657
Access Rights	open access
CopyRight	This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. This article appeared in Review of Scientific Instruments, 83(7), 073901 (2012) and may be found at https://doi.org/10.1063/1.4731657.
oaire:version	Version of Record
Category	学術雑誌論文 Journal Article

Resource Type	journal article
Local Type	Journal Article
DCMI Type	Text
DCTERMS.bibliographicCitation	Review of Scientific Instruments. 2012, 83(7), p. 073901-1-073901-7
DC.title	Elastic constants of langasite and alpha quartz at high temperatures measured by antenna transmission acoustic resonance
DC.creator	Nakamura, N.
	Sakamoto, M.
	Ogi, H.
	Hirao, M.
DC.publisher	American Institute of Physics
DC.language' scheme='DCTERMS.RFC1766	English
DC.type' scheme='DCTERMS.DCMIType	Text
DCTERMS.issued' scheme='DCTERMS.W3CDTF	2012-07-05
DC.identifier	https://doi.org/10.1063/1.4731657
DC.description	Nakamura N., Sakamoto M., Ogi H., et al. "Elastic constants of langasite and alpha quartz at high temperatures measured by antenna transmission acoustic resonance", Review of Scientific Instruments, 83(7), 073901 (2012) https://doi.org/10.1063/1.4731657.
DCTERMS.abstract	A method for measuring elastic constants of piezoelectric materials at high temperature up to 1224 K is proposed. It determines all independent elastic constants by measuring resonance frequencies of a rectangular parallelepiped piezoelectric specimen contactlessly using its own piezoelectricity with an antenna. Without using conventional contacting piezoelectric transducers, vibrational sources are excited directly in the specimen by the oscillating electric field. Capability of the method is demonstrated by measuring the elastic constants of langasite at high temperature up to 1224 K, and temperature coefficients of the elastic constants are determined. In addition, elastic constants of alpha quartz are measured at high temperature up to just below the alpha-beta phase transition temperature. Considering the local deformation with temperature increment, an interpretation based on the strain energy reduction is proposed for the unusual temperature dependence of C 66. Furthermore, the internal-friction tensor is measured, and the relationship between the observed anisotropy in internal friction and the structural evolution with temperature increment is discussed. © 2012 American Institute of Physics.
DC.rights	This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. This article appeared in Review of Scientific Instruments, 83(7), 073901 (2012) and may be found at https://doi.org/10.1063/1.4731657.
DC.format	84237
citation_title	Elastic constants of langasite and alpha quartz at high temperatures measured by antenna transmission acoustic resonance
citation_author	Nakamura, N.
	Sakamoto, M.
	Ogi, H.
	Hirao, M.
citation_publisher	American Institute of Physics
citation_language	English
citation_date	2012-07-05
citation_journal_title	Review of Scientific Instruments
citation_volume	83
citation_issue	7
citation_firstpage	073901-1
citation_lastpage	073901-7
citation_doi	https://doi.org/10.1063/1.4731657
citation_public_url	https://hdl.handle.net/11094/84237

Elastic constants of langasite and alpha quartz at high temperatures measured by antenna transmission acoustic resonance

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