Magnetic Profiles in Magnesium Diboride Single Crystals

Author: Lyard L.   Klein T.   Marcus J.   Marcenat C.   Lee S.I.  

Publisher: Springer Publishing Company

ISSN: 0011-4626

Source: Czechoslovak Journal of Physics, Vol.54, Iss.4, 2004-12, pp. : 453-456

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Abstract

Local vortex properties were studied using a Hall-probe array in magnesium diboride single crystals. We present the first field profiles in MgB2 and show the important role of surface barriers at 4.2 K and low field in the irreversible behavior.