Journal ArticleDOI
High Tc Yb-Ba-Cu-O Thin Films Deposited on Sintered YSZ Substrates by Sputtering
Masashi Kawasaki,Shunroh Nagata,Yohsuke Sato,Makoto Funabashi,Tetsuya Hasegawa,Kohji Kishio,Koichi Kitazawa,Kazuo Fueki,Hideomi Koinuma +8 more
TLDR
In this article, thin films of superconductors Yb-Ba-Cu-O were prepared by 50 Hz ac sputtering technique and the critical temperatures for onset and zero resistivity were 93 K and 66 K, respectively.Abstract:
Thin films of superconductors Yb-Ba-Cu-O were prepared by 50 Hz ac sputtering technique. The critical temperatures for onset and zero resistivity were 93 K and 66 K, respectively. The metal compositions and crystal structures of the films were controlled by varying such preparation conditions as sputtering gas, target composition, and substrate temperature and their relations with superconductivity were investigated.read more
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In situ preparation of Y‐Ba‐Cu‐O superconducting thin films by magnetron sputtering
TL;DR: In this article, thin superconducting films of YBa2 Cu3 O7 have been prepared by magnetron sputtering from targets of sintered material in an oxygen-argon atmosphere.
Journal ArticleDOI
Low‐temperature preparation of superconducting YBa2Cu3O7−δ films on Si, MgO, and SrTiO3 by thermal coevaporation
TL;DR: This paper used simple thermal coevaporation of yttrium, barium, and copper in an oxygen atmosphere to produce thin films of the 90 K superconductor, YBa2Cu3O7−δ, on silicon, magnesium oxide, and strontium titanate.
Journal ArticleDOI
Reactive magnetron sputtering of thin‐film superconductor YBa2Cu3O7−x
TL;DR: In this paper, superconducting thin films of YBa2Cu3O7−x have been successfully made by co-sputtering from the three targets in an Ar and O2 mixture atmosphere.
Journal ArticleDOI
Preparation of superconducting YBa2Cu3Ox thin films by oxygen annealing of multilayer metal films
TL;DR: In this article, a three-layer sequence of Cu, Ba, and Y in nominally stoichiometric proportions was repeated five times, and the onset of superconductivity occurred at 94 K and zero resistivity was observed at 72 K.
Journal ArticleDOI
Pulsed laser deposition and characterization of high-Tc YBa2Cu3O7 − x superconducting thin films
Rajiv K. Singh,Dhananjay Kumar +1 more
TL;DR: A systematic overview of the work carried out in the area of pulsed laser deposition (PLD), characterization and device application aspects of high temperature superconducting YBCO thin films can be found in this article.
References
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Journal Article
Crystal Structures of (La_ M_x)_2CuO_ (M=Sr and Ba)
Journal ArticleDOI
High T c Thin Films of (La 1− x M x ) y CuO 4−δ (M=Sr, Ba, Ca) Prepared by Sputtering
TL;DR: Sputtering of (La1-xSrx)yCuO4-δ has produced superconducting oxide films which have higher Tc values than any other oxide superconding films so far prepared : Tc onset at 36 K and temperature of zero resistivity at 17 K have been achieved.