Published May 1999 | Version v1
Journal article

Systematic Studies of the Square-Hexagonal Flux Line Lattice Transition in Lu(Ni1-xCox) 2B2C : The Role of Nonlocality

  • 1. Bell Laboratories, Lucent Technologies, Murray Hill, New Jersey 07974 (United States)
  • 2. Riso/ National Laboratory, DK-4000 Roskilde (Denmark)
  • 3. Ames Laboratory and Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011 (United States)

Description

We have studied, using small angle neutron scattering, the flux line lattice square to hexagonal symmetry transition in single crystal Lu(Ni1-xCox )2B2C . Low Co concentrations (x<0.1) , which reduce the mean free path and increase the coherence length, also move the structural transition to higher fields than in the undoped system. These data, quantitatively understood within the framework of a theory that includes nonlocal corrections to the London model due to the Fermi surface anisotropy, can be modeled using a simple ratio of the nonlocality range to the intervortex spacing. copyright 1999 The American Physical Society

Additional details

Publishing Information

Journal Title
Physical Review Letters
Journal Volume
82
Journal Issue
20
Journal Page Range
p. 4082-4085
ISSN
0031-9007
CODEN
PRLTAO