• DocumentCode
    3016304
  • Title

    Observation of Soft-Mode Hardening and Broadening in SrTiO3 Thin Films by Broadband Terahertz Time-Domain Spectroscopy

  • Author

    Katayama, Ikufumi ; Shimosato, Hiroshi ; Ashida, Masaaki ; Kawayama, Iwao ; Tonouchi, Masayoshi ; Itoh, Tadashi

  • Author_Institution
    Osaka Univ., Osaka
  • fYear
    2007
  • fDate
    6-11 May 2007
  • Firstpage
    1
  • Lastpage
    2
  • Abstract
    Complex dielectric constants of SrTiO3 thin films have been measured using the broadband terahertz time-domain spectroscopy. The broad detection-bandwidth of the photoconductive antenna enables us to clarify soft-mode dispersions as well as the TO2 mode.
  • Keywords
    ferroelectric thin films; permittivity; soft modes; strontium compounds; submillimetre wave spectra; time-domain analysis; SrTiO3; broad detection-bandwidth; broadband terahertz time-domain spectroscopy; dielectric constants; photoconductive antenna; soft-mode dispersions; thin films; Antenna measurements; Dielectric constant; Dielectric measurements; Dielectric thin films; Electrochemical impedance spectroscopy; Ferroelectric materials; Optical films; Photoconductivity; Pulsed laser deposition; Substrates;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Lasers and Electro-Optics, 2007. CLEO 2007. Conference on
  • Conference_Location
    Baltimore, MD
  • Print_ISBN
    978-1-55752-834-6
  • Type

    conf

  • DOI
    10.1109/CLEO.2007.4453230
  • Filename
    4453230
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=3016304