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Kim, Guntae
GUNS Lab
Research Interests
  • Solid Oxide Fuel Cells (SOFCs)& SOE, metal-air batteries, ceramic membranes, PEMFC

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Epitaxial behavior and transport properties of PrBaCo2O5 thin films on (001) SrTiO3

Cited 18 times inthomson ciCited 10 times inthomson ci
Title
Epitaxial behavior and transport properties of PrBaCo2O5 thin films on (001) SrTiO3
Author
Yuan, ZLiu, J.Chen, C. L.Wang, C. H.Luo, X. G.Chen, X. H.Kim, GuntaeHuang, D. X.Wang, S. S.Jacobson, A. J.Donner, W.
Keywords
Epitaxial behavior; Plane directions; Single crystallinity
Issue Date
2007
Publisher
AMER INST PHYSICS
Citation
APPLIED PHYSICS LETTERS, v.90, no.21, pp.1 - 3
Abstract
Highly conductive PrBa Co2 O5.5+δ thin films were grown on (001) SrTi O3 by pulsed laser deposition. Microstructural studies from synchrotron x-ray diffraction and transmission electron microscopy reveal that the as-grown PrBa Co2 O5.5+δ films are a -axis oriented with excellent single crystallinity. Two domain structures with c axes in the plane directions parallel to the substrate surface were found with an atomic sharp interface. Transport property and isothermal magnetoresistance measurements for both as-grown and post-annealing were done to understand the physical properties of the films. An abnormal positive magnetoresistance effect was observed in the postannealed films, which suggests that the spins in the system are polarized easier.
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DOI
http://dx.doi.org/10.1063/1.2741407
ISSN
0003-6951
Appears in Collections:
ECHE_Journal Papers
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