Visualizing atomic-scale acoustic wavesin nanostructures

Acoustic waves play many everyday roles - from communication between people to ultrasound imaging. Now the highest frequency acoustic waves in materials, with nearly atomic-scale wavelengths, promise to be useful probes of nanostructures such as LED lights. However, detecting them isn't so easy.

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<p><a href="http://www.physorg.com/news134322564.html">Visualizing atomic-scale acoustic wavesin nanostructures</a></p> <p>Acoustic waves play many everyday roles - from communication between people to ultrasound imaging. Now the highest frequency acoustic waves in materials, with nearly atomic-scale wavelengths, promise to be useful probes of nanostructures such as LED lights. However, detecting them isn't so easy.</p>