Impact of interface stiffness in surface-wave resonances on nanostrip-attached substrates

Ogi, Hirotsugu; Masuda, Shoichi; Nagakubo, Akira; Nakamura, Nobutomo; Hirao, Masahiko; Kondou, Kouta; Ono, Teruo

doi:https://doi.org/10.1103/PhysRevB.93.024112

Impact of interface stiffness in surface-wave resonances on nanostrip-attached substrates

Ogi, Hirotsugu; Masuda, Shoichi; Nagakubo, Akira et al.

Physical Review B, 2016, 93(2), 024112-1-024112-6

Number of Access:532（2025-08-29 08:12 Counts）

Identifier to cite or link to this item: https://hdl.handle.net/11094/83935

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Title	Impact of interface stiffness in surface-wave resonances on nanostrip-attached substrates
Creator	NRID 1000090252626 1000090252626 researchmap permalink read0042771 read0042771 Scopus Author ID 35563683500 35563683500 CreatorName Ogi, Hirotsugu
	CreatorName Masuda, Shoichi
	NRID 1000070751113 1000070751113 ORCID 0000-0001-7494-5099 0000-0001-7494-5099 researchmap permalink nagakubo nagakubo Scopus Author ID 55329400300 55329400300 CreatorName Nagakubo, Akira
	NRID 1000050452404 1000050452404 researchmap permalink nnakamura nnakamura Scopus Author ID 7403356186 7403356186 ORCID 0000-0002-5338-842X 0000-0002-5338-842X CreatorName Nakamura, Nobutomo
	NRID 1000080112027 1000080112027 CreatorName Hirao, Masahiko
	CreatorName Kondou, Kouta
	NRID 1000090296749 1000090296749 CreatorName Ono, Teruo
Description	Ogi H., Masuda S., Nagakubo A., et al. Physical Review B, 93(2), 024112, 2016. Copyright 2016 by the American Physical Society.
Abstract	Surface waves are often excited by interdigitated transducers consisting of many nanostrips attached on a substrate, and it has been recognized that the mass and stiffness of the attached nanostrips affect surface-wave resonances to some extent. Here, we reveal the more noticeable influence of the interfacial stiffness between strips and substrate at high frequencies. This influence is confirmed by exciting and detecting surface-wave resonances up to ∼6 GHz by picosecond ultrasound spectroscopy. The resonance frequency significantly decreases and attenuation increases as the interfacial stiffness decreases for silicon substrate. However, low-attenuation branches appear along the Rayleigh-wave-resonance dispersion curve for silica substrate, and the resonance frequencies remain nearly identical to those of the Rayleigh waves. Previous models fail to reproduce these surface-wave resonance behaviors. The proposed theoretical model, involving the interfacial stiffness, consistently explained them, indicating the importance of the interface bond strength in designing surface-wave resonators.
Publisher	American Physical Society
Source Title	Physical Review B
Volume (Issue)	93(2)
Page	024112-1-024112-6
Date of Issued	2016-01-22
Language	English
Handle URL	https://hdl.handle.net/11094/83935
PISSN	24699950
eISSN	24699969
NCID	AA11187113
Relation.isIdenticalTo	DOI (Publisher Version) https://doi.org/10.1103/PhysRevB.93.024112
Access Rights	open access
CopyRight	Copyright 2016 by the American Physical Society.
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	Physical Review B. 2016, 93(2), p. 024112-1-024112-6
DC.title	Impact of interface stiffness in surface-wave resonances on nanostrip-attached substrates
DC.creator	Ogi, Hirotsugu
	Masuda, Shoichi
	Nagakubo, Akira
	Nakamura, Nobutomo
	Hirao, Masahiko
	Kondou, Kouta
	Ono, Teruo
DC.publisher	American Physical Society
DC.language' scheme='DCTERMS.RFC1766	English
DC.type' scheme='DCTERMS.DCMIType	Text
DCTERMS.issued' scheme='DCTERMS.W3CDTF	2016-01-22
DC.identifier	https://doi.org/10.1103/PhysRevB.93.024112
DC.description	Ogi H., Masuda S., Nagakubo A., et al. Physical Review B, 93(2), 024112, 2016. Copyright 2016 by the American Physical Society.
DCTERMS.abstract	Surface waves are often excited by interdigitated transducers consisting of many nanostrips attached on a substrate, and it has been recognized that the mass and stiffness of the attached nanostrips affect surface-wave resonances to some extent. Here, we reveal the more noticeable influence of the interfacial stiffness between strips and substrate at high frequencies. This influence is confirmed by exciting and detecting surface-wave resonances up to ∼6 GHz by picosecond ultrasound spectroscopy. The resonance frequency significantly decreases and attenuation increases as the interfacial stiffness decreases for silicon substrate. However, low-attenuation branches appear along the Rayleigh-wave-resonance dispersion curve for silica substrate, and the resonance frequencies remain nearly identical to those of the Rayleigh waves. Previous models fail to reproduce these surface-wave resonance behaviors. The proposed theoretical model, involving the interfacial stiffness, consistently explained them, indicating the importance of the interface bond strength in designing surface-wave resonators.
DC.rights	Copyright 2016 by the American Physical Society.
DC.format	83935
citation_title	Impact of interface stiffness in surface-wave resonances on nanostrip-attached substrates
citation_author	Ogi, Hirotsugu
	Masuda, Shoichi
	Nagakubo, Akira
	Nakamura, Nobutomo
	Hirao, Masahiko
	Kondou, Kouta
	Ono, Teruo
citation_publisher	American Physical Society
citation_language	English
citation_date	2016-01-22
citation_journal_title	Physical Review B
citation_volume	93
citation_issue	2
citation_firstpage	024112-1
citation_lastpage	024112-6
citation_doi	https://doi.org/10.1103/PhysRevB.93.024112
citation_public_url	https://hdl.handle.net/11094/83935

Impact of interface stiffness in surface-wave resonances on nanostrip-attached substrates

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