Journal
APPLIED PHYSICS LETTERS
Volume 110, Issue 3, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4974491
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Funding
- German Research Foundation (DFG) [SFB 767]
- China Scholarship Council (CSC)
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The directional waveguiding in a 2D phononic crystal is simulated based on the analysis of equifrequency contours. This approach is utilized to investigate acoustic beam splitting in a defectfree nanostructure in the low GHz range. We find relaxed limitations regarding the source parameters compared to similar approaches in the sonic regime. Finally, we discuss the possibility to design an acoustic interferometer device at the nanoscale at GHz frequencies. Published by AIP Publishing.
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