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Porous and dense perovskite films
-
- Pohl, Annika (author)
- Uppsala universitet,Institutionen för materialkemi,Oorganisk kemi,oorganisk kemi
-
- Westin, Gunnar (author)
- Uppsala universitet,Institutionen för materialkemi,Oorganisk kemi,oorganisk kemi
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- Ottosson, Mikael (author)
- Uppsala universitet,Institutionen för materialkemi,Oorganisk kemi,oorganisk kemi
- (creator_code:org_t)
- 2007
- 2007
- English.
- In: Nanostructured Materials and Nanotechnology, Vol 28. ; , s. 153-163
- Conference paper (peer-reviewed)
Abstract
Subject headings
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- Lao.5Sro.5Co03 (LSCO) and La0.67Ca0.33MnO3 (LCMO) films were prepared by sol-gel techniques and their structural and transport properties investigated. Films were spin-coated onto (001) LaAlO3 (LAO), (001) SrTiO3 (STO), Pt/TiO2/SiO2/Si, and Al2O3 substrates, and ictural properties were investigated using X-ray diffraction, scanning and transmission electron microscopy (SEM and TEM). SEM studies showed that the films were crack-free and adhered well to the substrates. No preferential orientation of the pervoskite films was observed on Si- or Pt/TiCVSiCVSi-substrates, but films deposited on LAO and STO showed good alignment with the substrate. Transport measurements of epitaxial LCMO films show maximum temperature coefficient of resisth (TCR) of 6.1 % K1 aät 241 K and colossal magnetoresistance (CMR) of 32 % a at 246 K. The conductivity of around l .9 mQcm.
Subject headings
- NATURVETENSKAP -- Kemi -- Oorganisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Inorganic Chemistry (hsv//eng)
Keyword
- Inorganic chemistry
- Oorganisk kemi
Publication and Content Type
- ref (subject category)
- kon (subject category)
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