• DocumentCode
    2710875
  • Title

    Electronic states of one-dimensional Ca1−xNaxCo2O4 probed by IR-THz spectroscopy

  • Author

    Irizawa, Akinori ; Isobe, Masaaki ; Kato, Ryukou ; Isoyama, Goro

  • Author_Institution
    Kobe Univ., Kobe, Japan
  • fYear
    2010
  • fDate
    5-10 Sept. 2010
  • Firstpage
    1
  • Lastpage
    1
  • Abstract
    We have performed IR-THz spectroscopy on one-dimensional cobalt oxide Ca1-xNaxCo2O4. An insulating reflection in FIR region on CaCo2O4 (x=0) changed to a metallic one on Ca0.5Na0.5Co2O4 (x=0.5). Na substitution for Ca site affected as a hole doping.
  • Keywords
    calcium compounds; doping; electronic structure; infrared spectra; reflectivity; sodium compounds; terahertz wave spectra; 1D cobalt oxide; Ca site; Ca0.5Na0.5Co2O4; CaCo2O4; IR-THz spectroscopy; Na substitution; electronic states; hole doping; insulating FIR reflection; Conductivity; Optical imaging; Optical reflection; Optical sensors; Reflectivity; Solids; Temperature measurement;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Infrared Millimeter and Terahertz Waves (IRMMW-THz), 2010 35th International Conference on
  • Conference_Location
    Rome
  • Print_ISBN
    978-1-4244-6655-9
  • Type

    conf

  • DOI
    10.1109/ICIMW.2010.5612485
  • Filename
    5612485
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=2710875