• DocumentCode
    2782100
  • 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
    Graduate school of engineering science, Osaka University, 1-3 Machikaneyama-cho, Toyonaka, 560-8531, Japan
  • 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
    Antenna measurements; Dielectric constant; Dielectric thin films; Electrochemical impedance spectroscopy; Ferroelectric materials; Photoconductivity; Pulsed laser deposition; Substrates; Time domain analysis; Transistors;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Quantum Electronics and Laser Science Conference, 2007. QELS '07
  • Conference_Location
    Baltimore, MD, USA
  • Print_ISBN
    978-1-55752-834-6
  • Type

    conf

  • DOI
    10.1109/QELS.2007.4431007
  • Filename
    4431007