High-frequency surface acoustic wave propagation in nanaostructures characterized by coherent extreme ultraviolet beams

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We study ultrahigh frequency surface acoustic wave propagation in nickel-on-sapphire nanostructures. The use of ultrafast, coherent, extreme ultraviolet beams allows us to extend optical measurements of propagation dynamics of surface acoustic waves to frequencies of nearly 50 GHz, corresponding to wavelengths as short as 125 nm. We repeat the measurement on a sequence of nanostructured samples to observe surface acoustic wave dispersion in a nanostructure series for the first time. These measurements are critical for accurate characterization of thin films using this technique.

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Siemens, M.; Li, Q.; Murnane, M.; Kapteyn, H.; Yang, R.; Anderson, E. et al. March 2, 2009.

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We study ultrahigh frequency surface acoustic wave propagation in nickel-on-sapphire nanostructures. The use of ultrafast, coherent, extreme ultraviolet beams allows us to extend optical measurements of propagation dynamics of surface acoustic waves to frequencies of nearly 50 GHz, corresponding to wavelengths as short as 125 nm. We repeat the measurement on a sequence of nanostructured samples to observe surface acoustic wave dispersion in a nanostructure series for the first time. These measurements are critical for accurate characterization of thin films using this technique.

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  • Journal Name: Appl. Phys. Lett.; Journal Volume: 94; Related Information: Journal Publication Date: 2009

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  • Report No.: LBNL-1606E
  • Grant Number: DE-AC02-05CH11231
  • Office of Scientific & Technical Information Report Number: 949771
  • Archival Resource Key: ark:/67531/metadc928513

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  • March 2, 2009

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  • Nov. 13, 2016, 7:26 p.m.

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  • Oct. 2, 2017, 5:04 p.m.

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Siemens, M.; Li, Q.; Murnane, M.; Kapteyn, H.; Yang, R.; Anderson, E. et al. High-frequency surface acoustic wave propagation in nanaostructures characterized by coherent extreme ultraviolet beams, article, March 2, 2009; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc928513/: accessed December 11, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.