Scanning-tunneling-microscopy study of distortion and instability of inclined flux-line-lattice structures in the anisotropic superconductor 2H-NbSe2

H. F. Hess, C. A. Murray, J. V. Waszczak

Research output: Contribution to journalArticlepeer-review

78 Scopus citations

Abstract

The tilted vortex lattice on the surface of 2H-NbSe2 is investigated with a scanning-tunneling microscope at magnetic fields, such that the vortex separation is comparable to or smaller than the magnetic penetration depth. The basis vectors show a distortion roughly consistent with bulk anisotropic London theory, however, their angular orientation with respect to the tilt direction differs by 30° from that predicted. At field inclinations greater than 80° from the c axis, we find two instabilities into ordered, buckled rows of vortices, followed by a disordering transition.

Original languageEnglish (US)
Pages (from-to)2138-2141
Number of pages4
JournalPhysical review letters
Volume69
Issue number14
DOIs
StatePublished - 1992
Externally publishedYes

ASJC Scopus subject areas

  • General Physics and Astronomy

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