Elastic constants of cubic and wurtzite boron nitrides

Nagakubo, A.; Ogi, H.; Sumiya, H.; Kusakabe, K.; Hirao, M.

doi:https://doi.org/10.1063/1.4811789

Elastic constants of cubic and wurtzite boron nitrides

Nagakubo, A.; Ogi, H.; Sumiya, H. et al.

Applied Physics Letters, 2013, 102(24), 241909-1-241909-5

Number of Access:587（2025-11-25 02:19 Counts）

Identifier to cite or link to this item: https://hdl.handle.net/11094/83925

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Title	Elastic constants of cubic and wurtzite boron nitrides
Creator	NRID 1000070751113 1000070751113 ORCID 0000-0001-7494-5099 0000-0001-7494-5099 researchmap permalink nagakubo nagakubo Scopus Author ID 55329400300 55329400300 CreatorName Nagakubo, A.
	NRID 1000090252626 1000090252626 researchmap permalink read0042771 read0042771 Scopus Author ID 35563683500 35563683500 ORCID 0000-0002-9602-5194 0000-0002-9602-5194 CreatorName Ogi, H.
	CreatorName Sumiya, H.
	NRID 1000010262164 1000010262164 CreatorName Kusakabe, K.
	NRID 1000080112027 1000080112027 CreatorName Hirao, M.
Description	Nagakubo A., Ogi H., Sumiya H., et al. Elastic constants of cubic and wurtzite boron nitrides. Applied Physics Letters, 102(24), 241909 (2013) https://doi.org/10.1063/1.4811789.
Abstract	We synthesized pure polycrystalline cubic boron nitride (cBN) and wurtzite boron nitride (wBN) by the direct conversion method from hexagonal boron nitride, and measured their longitudinal-wave elastic constants CL between 20 and 300 K using picosecond ultrasound spectroscopy. Their room-temperature values are 945 ± 3 GPa and 930 ± 18 GPa for cBN and wBN, respectively. The shear modulus G of cBN was also determined by combining resonance ultrasound spectroscopy and micromechanics calculation as G = 410 GPa. We performed ab-initio calculations and confirmed that the generalized gradient approximation potential fails to yield correct elastic constants, which indicated the necessity of a hybrid-functional method. © 2013 AIP Publishing LLC.
Publisher	American Institute of Physics
Source Title	Applied Physics Letters
Volume (Issue)	102(24)
Page	241909-1-241909-5
Date of Issued	2013-06-20
Language	English
Handle URL	https://hdl.handle.net/11094/83925
PISSN	00036951
eISSN	10773118
NCID	AA11868096
Relation.isIdenticalTo	DOI (Publisher Version) https://doi.org/10.1063/1.4811789
Access Rights	open access
CopyRight	Copyright 2013 AIP Publishing LLC. 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 Applied Physics Letters, 102(24), 241909, 2013 and may be found at https://doi.org/10.1063/1.4811789.
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	Applied Physics Letters. 2013, 102(24), p. 241909-1-241909-5
DC.title	Elastic constants of cubic and wurtzite boron nitrides
DC.creator	Nagakubo, A.
	Ogi, H.
	Sumiya, H.
	Kusakabe, K.
	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	2013-06-20
DC.identifier	https://doi.org/10.1063/1.4811789
DC.description	Nagakubo A., Ogi H., Sumiya H., et al. Elastic constants of cubic and wurtzite boron nitrides. Applied Physics Letters, 102(24), 241909 (2013) https://doi.org/10.1063/1.4811789.
DCTERMS.abstract	We synthesized pure polycrystalline cubic boron nitride (cBN) and wurtzite boron nitride (wBN) by the direct conversion method from hexagonal boron nitride, and measured their longitudinal-wave elastic constants CL between 20 and 300 K using picosecond ultrasound spectroscopy. Their room-temperature values are 945 ± 3 GPa and 930 ± 18 GPa for cBN and wBN, respectively. The shear modulus G of cBN was also determined by combining resonance ultrasound spectroscopy and micromechanics calculation as G = 410 GPa. We performed ab-initio calculations and confirmed that the generalized gradient approximation potential fails to yield correct elastic constants, which indicated the necessity of a hybrid-functional method. © 2013 AIP Publishing LLC.
DC.rights	Copyright 2013 AIP Publishing LLC. 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 Applied Physics Letters, 102(24), 241909, 2013 and may be found at https://doi.org/10.1063/1.4811789.
DC.format	83925
citation_title	Elastic constants of cubic and wurtzite boron nitrides
citation_author	Nagakubo, A.
	Ogi, H.
	Sumiya, H.
	Kusakabe, K.
	Hirao, M.
citation_publisher	American Institute of Physics
citation_language	English
citation_date	2013-06-20
citation_journal_title	Applied Physics Letters
citation_volume	102
citation_issue	24
citation_firstpage	241909-1
citation_lastpage	241909-5
citation_doi	https://doi.org/10.1063/1.4811789
citation_public_url	https://hdl.handle.net/11094/83925

Elastic constants of cubic and wurtzite boron nitrides

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