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Published in:
2010 | OriginalPaper | Chapter
High-T c Films: From Natural Defects to Nanostructure Engineering of Vortex Matter
Author : Roger Wördenweber
Published in: Nanoscience and Engineering in Superconductivity
Publisher: Springer Berlin Heidelberg
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Due to their unique properties, ceramic high-
T
c
materials offer new perspectives for cryoelectronic applications. However, the 2D-layered structure in combination with the extremely small coherence length imposes extreme demands on the preparation of virtually single crystalline high-
T
c
films and the handling and manipulation of magnetic flux in devices made from these films. In this chapter, we will give an overview on vortex matter, pinning mechanism, vortex mobility, and vortex manipulation in high-
T
c
thin films. Vortex manipulation via artificially introduced structures will be demonstrated, and their potential for application in superconducting magnetometer and microwave devices will be sketched.