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.ricest.ac.ir/dl/search/defaultta.aspx?DTC=49&DC=2710875
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