A1 Vertaisarvioitu alkuperäisartikkeli tieteellisessä lehdessä
Effect of target density on YBCO thin films deposited from nanograined targets
Tekijät: Paturi P, Schlesier K, Huhtinen H
Kustantaja: ELSEVIER SCIENCE BV
Julkaisuvuosi: 2009
Lehti:: Physica C: Superconductivity and its Applications
Tietokannassa oleva lehden nimi: PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS
Lehden akronyymi: PHYSICA C
Vuosikerta: 469
Numero: 14
Aloitussivu: 839
Lopetussivu: 842
Sivujen määrä: 4
ISSN: 0921-4534
DOI: https://doi.org/10.1016/j.physc.2009.05.011
Tiivistelmä
Nanograined YBa(2)Cu(3)O(6-x) (YBCO) targets with grain sizes of 25-45 nm and different densities were prepared with sol-gel method. The properties of the thin films laser deposited from these targets were systematically studied. It was found that most parameters are not clearly affected by the target density, although the surface roughness decreased with target density. A small effect of decreasing J(c) with increasing target density was observed, but this can be interpreted as film to film variation. On the other hand, a negative correlation between the accommodation held, B*, and zero field J(c) was observed and B* was found to increase with increasing number of lattice defects. Thus target density is found not to have a large effects on the superconducting or structural properties of YBCO thin films. (C) 2009 Elsevier B.V. All rights reserved.
Nanograined YBa(2)Cu(3)O(6-x) (YBCO) targets with grain sizes of 25-45 nm and different densities were prepared with sol-gel method. The properties of the thin films laser deposited from these targets were systematically studied. It was found that most parameters are not clearly affected by the target density, although the surface roughness decreased with target density. A small effect of decreasing J(c) with increasing target density was observed, but this can be interpreted as film to film variation. On the other hand, a negative correlation between the accommodation held, B*, and zero field J(c) was observed and B* was found to increase with increasing number of lattice defects. Thus target density is found not to have a large effects on the superconducting or structural properties of YBCO thin films. (C) 2009 Elsevier B.V. All rights reserved.
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