publication . Conference object . Contribution for newspaper or weekly magazine . 2011

Improved High Temperature Superconductor Materials for Wind Turbine Generators

Peter Mozhaev; Alexey Khoryushin; Julia Mozhaeva; Niels Hessel Andersen; Jean-Claude Grivel; Jørn Otto Bindslev Hansen; Claus Schelde Jacobsen;
  • Published: 01 Jan 2011
  • Country: Denmark
Abstract
Effects of yttria addition on the structural and electrical properties of the YBCO thin films are studied. The films were deposited on (LaAlO3).3-(Sr2AlTaO8).7 substrates by pulsed laser ablation from targets with different elemental composition. The contents of elements in the film depend mainly on the yttrium content in the target. An increase of yttrium content leads to formation of a porous film with significant improvement of current-carrying capabilities (critical current density reaches 35 kA/cm2 at 77 K, 5 T, and exceeds 2 MA/cm2 at 50 K, 5 T). The Y-enriched YBCO film remains c-oriented up to 600 nm thickness with no suppression of the critical current ...
Subjects
free text keywords: Superconducting materials, Risø-R-1776(EN), Risø-R-1776, Superledende materialer
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Contribution for newspaper or weekly magazine . 2011
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