Vortex lattice structures in YBa<sub>2</sub>Cu<sub>3</sub>O<sub>7</sub>
- Yethiraj, M.
- Mook, H. A.
- Wignall, G. D.
- Cubitt, R.
- Forgan, E. M.
- Lee, S. L.
- Paul, D. M.
- Armstrong, T.
Publication date
January 1993
DOIAbstract
We describe small-angle neutron scattering (SANS) studies of vortex structures in the high Tc superconductor YBa2Cu3O7 in the mixed state. The SANS technique is a unique tool for probing the crystallography of a flux line arrangement in the bulk sample that can measure the values of the characteristic lengths and the effect of defects on lattice arrangement and orientation extremely accurately. The effects of crystal anisotropy on the field distribution in a vortex line is the topic of this paper.</p
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