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Nonlinear acoustic waves localized at crystal edges

  • Anisotropy has been found to play an important role for the existence of edge-localized acoustic modes as well as for nonlinear effects in rectangular edges. For a certain propagation geometry in silicon, the effective second-order nonlinearity for wedge waves was determined numerically from second-order and third-order elastic moduli and compared with the nonlinearity for Rayleigh wavesAnisotropy has been found to play an important role for the existence of edge-localized acoustic modes as well as for nonlinear effects in rectangular edges. For a certain propagation geometry in silicon, the effective second-order nonlinearity for wedge waves was determined numerically from second-order and third-order elastic moduli and compared with the nonlinearity for Rayleigh waves propagating in the direction of the apex on one of the two surfaces forming the edge. In the presence of weak dispersion resulting from modifications of the wedge tip or coating of the adjacent surfaces, solitary pulses are predicted to exist and their shape was calculated.show moreshow less

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Metadaten
Document Type:Conference Proceeding
Conference Type:Konferenzartikel
Zitierlink: https://opus.hs-offenburg.de/8546
Bibliografische Angaben
Title (English):Nonlinear acoustic waves localized at crystal edges
Conference:IEEE International Ultrasonics Symposium (20-23 September 2009 : Rome, Italy)
Author:Andreas MayerStaff MemberGND, Alexey M. LomonosovStaff MemberORCiDGND, Peter Hess
Year of Publication:2010
Publisher:IEEE
First Page:1088
Last Page:1091
Parent Title (English):2009 IEEE Ultrasonics Symposium
ISBN:978-1-4244-4389-5 (Print)
ISBN:978-1-4244-4390-1 (CD)
ISSN:1948-5727 (Elektronisch)
ISSN:1051-0117 (Print)
ISSN:1948-5719 (CD)
DOI:https://doi.org/10.1109/ULTSYM.2009.0263
Language:English
Inhaltliche Informationen
Institutes:Fakultät Wirtschaft (W)
Institutes:Bibliografie
Tag:Edge mode; anisotropy; nonlinearity; soliton; wedge wave
Formale Angaben
Open Access: Closed 
Licence (German):License LogoUrheberrechtlich geschützt