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.ricest.ac.ir/dl/search/defaultta.aspx?DTC=49&DC=3016304
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