Measurement of electric properties in a ZnO single crystal via electromechanical coupling using Brillouin scattering method

Takahiko Yanagitani, Hiroyuki Sano, Mami Matsukawa

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

In-plane directional electric property measurement in the semiconductors via electromechanical coupling is proposed. To estimate the properties in the crystal with less than 1 Ω·m (which is general value in intrinsic wide band-gap semiconductors), in-plane directional GHz bulk acoustic wave velocities and attenuations in a ZnO crystal have been theoretically and experimentally investigated, using Brillouin scattering method. Distribution of electric properties in the crystal, also separately measured by the electrode, has been clearly detected by the acoustic velocity distribution measurement.

Original languageEnglish
Title of host publicationProceedings - IEEE Ultrasonics Symposium
DOIs
Publication statusPublished - 2009
Externally publishedYes
Event2009 IEEE International Ultrasonics Symposium, IUS 2009 - Rome, Italy
Duration: 2009 Sep 202009 Sep 23

Other

Other2009 IEEE International Ultrasonics Symposium, IUS 2009
CountryItaly
CityRome
Period09/9/2009/9/23

Fingerprint

single crystals
scattering
crystals
acoustic velocity
velocity distribution
attenuation
broadband
electrodes
acoustics
estimates

Keywords

  • Acousto-electric effect
  • Brillouin scattering
  • Component
  • In-plane electric properties
  • Piezoelectric semiconductors
  • ZnO

ASJC Scopus subject areas

  • Acoustics and Ultrasonics

Cite this

Measurement of electric properties in a ZnO single crystal via electromechanical coupling using Brillouin scattering method. / Yanagitani, Takahiko; Sano, Hiroyuki; Matsukawa, Mami.

Proceedings - IEEE Ultrasonics Symposium. 2009. 5441851.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Yanagitani, T, Sano, H & Matsukawa, M 2009, Measurement of electric properties in a ZnO single crystal via electromechanical coupling using Brillouin scattering method. in Proceedings - IEEE Ultrasonics Symposium., 5441851, 2009 IEEE International Ultrasonics Symposium, IUS 2009, Rome, Italy, 09/9/20. https://doi.org/10.1109/ULTSYM.2009.5441851
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