Observation of a disordered vortex state in Bi2Sr2CaCu2O8+x single crystals containing columnar defects

M. Leghissa*, L. A. Gurevich, M. Kraus, G. Saemann-Ischenko, L. Ya Vinnikov

*Kontaktforfatter

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

32 Citationer (Scopus)

Abstract

We report on the visualization of vortex patterns by means of the high-resolution Bitter-decoration technique in Bi2Sr2CaCu2O8+x single crystals containing columnar defects generated via high-energy heavy-ion irradiation. By irradiating only a part of each sample, a simultaneous decoration of irradiated and nonirradiated parts was possible. The columnar defects lead to a complete destruction of translational order, whereas the vortex lattice in the nonirradiated parts exhibits hexagonal ordering. Analyses of the decoration images yield translational correlation lengths of 1.5 to 2 flux spacings in the nonirradiated areas and about 0.5 flux spacings in the irradiated areas.

OriginalsprogEngelsk
TidsskriftPhysical Review B
Vol/bind48
Udgave nummer2
Sider (fra-til)1341-1344
Antal sider4
ISSN0163-1829
DOI
StatusUdgivet - 1 jan. 1993

Fingeraftryk

Dyk ned i forskningsemnerne om 'Observation of a disordered vortex state in Bi2Sr2CaCu2O8+x single crystals containing columnar defects'. Sammen danner de et unikt fingeraftryk.

Citationsformater