Neutron scattering from the flux-line lattice in Bi2Sr2CaCu2O8 + y

D. McK. Paul*, E. M. Forgan, R. Cubitt, S. L. Lee, M. Wylie, H. A. Mook, M. Yethiraj, K. Mortensen

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)


Neutron small-angle diffraction has been used to investigate the flux-line lattice structure within single crystals of the high-temperature superconductor Bi2.15Sr1.95CaCu2O8 + x. The diffracted intensity goes rapidly to zero as the magnetic field or the temperature is increased. Melting at low fields as a function of temperature coincides with the appearence of finite resistance within the superconducting state. At low temperatures the diffracted intensity disappears in fields greater than ∼ 70 mT, probably due to the decomposition of the flux-line lattice into randomly pinned 2d "pancake" vortices.

Original languageEnglish
Pages (from-to)107-109
Number of pages3
JournalPhysica B: Physics of Condensed Matter
Issue numberC
Publication statusPublished - 1 Aug 1995


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