Title
|
|
|
|
Superconducting single-phase thin films with improved crystallinity grown by pulsed laser deposition
| |
Author
|
|
|
|
| |
Abstract
|
|
|
|
Sr1-xLaxCuO2-delta (x=0.10-0.20) thin films exhibiting an oxygen-deficient 2 root 2a(p)x2 root a(p) x c structure (a(p) and c represent the cell parameters of the perovskite subcell) were epitaxially grown by means of pulsed laser deposition in low-pressure oxygen ambient. (001) KTaO3 and (001) SrTiO3 single crystals were used as substrates, with BaTiO3 as buffer layer. The Sr1-xLaxCuO2-delta films were oxidized during cooling down in order to yield the infinite-layer-type structure. By applying this method, high quality single-phase Sr1-xLaxCuO2 thin films could be obtained for 0.10 <= x <= 0.175 doping range. The films grown on BaTiO3/KTaO3 show superconductivity for 0.15 <= x <= 0.175 with optimum doping at x=0.15, in contrast with previously reported data. (c) 2006 American Institute of Physics. |
| |
Language
|
|
|
|
English
| |
Source (journal)
|
|
|
|
Applied physics letters / American Institute of Physics. - New York, N.Y., 1962, currens
| |
Publication
|
|
|
|
New York, N.Y.
:
American Institute of Physics
,
2006
| |
ISSN
|
|
|
|
0003-6951
[print]
1077-3118
[online]
| |
DOI
|
|
|
|
10.1063/1.2339840
| |
Volume/pages
|
|
|
|
89
:9
(2006)
, 3 p.
| |
Article Reference
|
|
|
|
092504
| |
ISI
|
|
|
|
000240236600077
| |
Medium
|
|
|
|
E-only publicatie
| |
Full text (Publisher's DOI)
|
|
|
|
| |
|