The electrical conductivity and infrared properties of Ba-doped SmCoO 3-λ composite oxides

Le Chen, Chun Hua Lu, Yuan Zheng Zhao, Wen Yan Zhang, Ya Ru Ni, Zhong Zi Xu

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

3 Scopus citations

Abstract

Layered SmBaCo2O5+λ with the cation-ordered double perovskite structure were synthesized by the solid-state reaction route and characterized by thermal analysis, X-ray diffraction, infrared spectrum, electrical conductivity and infrared emissivity. The Sm1-xBa xCoO3(SBCO) system shows the different crystal structures with the variation of barium content, which results in the different electrical behavior. The electrical conductivity reaches maximum when x is 0.5 with SmBaCo2O5.54 phase. The infrared absorption occurs at about 600 cm-1 for all the samples which were attributed to Co-O stretching modes. The peak shifted to a lower frequency with the increase of doping level. In addition, the comparison of electrical and emissivity measurements suggested that variation of infrared emissivity is in agreement with the electrical properties.

Original languageEnglish
Title of host publicationAdvanced Materials
Pages687-690
Number of pages4
DOIs
StatePublished - 2011
Event2011 International Conference on Chemical Engineering and Advanced Materials, CEAM 2011 - Changsha, China
Duration: 28 May 201130 May 2011

Publication series

NameAdvanced Materials Research
Volume239-242
ISSN (Print)1022-6680

Conference

Conference2011 International Conference on Chemical Engineering and Advanced Materials, CEAM 2011
Country/TerritoryChina
CityChangsha
Period28/05/1130/05/11

Keywords

  • Electrical properties
  • Infrared emissivity
  • Infrared spectra
  • Samarium barium cobalt oxide

Fingerprint

Dive into the research topics of 'The electrical conductivity and infrared properties of Ba-doped SmCoO 3-λ composite oxides'. Together they form a unique fingerprint.

Cite this