@article{Guo2017-01-19Acous-37232,
  year={2017},
  doi={10.1063/1.4974491},
  title={Acoustic beam splitting at low GHz frequencies in a defect-free phononic crystal},
  number={3},
  volume={110},
  issn={0003-6951},
  journal={Applied Physics Letters},
  author={Guo, Yuning and Brick, Delia and Grossmann, Martin and Hettich, Mike and Dekorsy, Thomas},
  note={Article Number: 031904}
}

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    <dc:contributor>Brick, Delia</dc:contributor>
    <dcterms:abstract xml:lang="eng">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 defect-free 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.</dcterms:abstract>
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