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- Title
Vortex structure in FeTeSe single crystals.
- Authors
Vinnikov, L.; Radaev, A.; Veshchunov, I.; Troshina, A.; Liu, Y.; Lin, C.; Boris, A.
- Abstract
Vortex structure in FeTeSe and FeTeSe single crystals with T ∼ 11.7 and 14.5 K, respectively, has been studied using the decoration technique. It has been found that in single crystals with the simplest crystalline structure of 11-family iron-containing superconductors (without interlayers), no regular vortex lattice is observed, similar to the case of the previously studied 122 and 1111 families. Using transmission electron microscopy, the dislocation structure with a density of ∼10 cm has been observed. The problem of pinning in iron-containing superconductor single crystals is discussed.
- Subjects
MOLECULAR structure; VORTEX motion; IRON compounds; SUPERCONDUCTORS; TRANSMISSION electron microscopy; DISLOCATIONS in crystals
- Publication
JETP Letters, 2011, Vol 93, Issue 5, p287
- ISSN
0021-3640
- Publication type
Article
- DOI
10.1134/S0021364011050109