VORTEX LIQUID IN MELT-TEXTURED YBA2CU3O7 Y2BACUO5/

The vortex liquid in melt-textured YBa2Cu3O7 samples having different contents of randomly distributed nanometric Y2BaCuO5 (211) inclusions has been studied by means of the pseudo-de-flux-transformer contact co nfiguration in magnetic fields up to 9 T parallel to the sample c-axis . When current is injected through one ab sample face, a scaling betwe en the voltages measured on opposite ab faces is found in the temperat ure range T-i<T<T. This scaling is a manifestation of long range c-ax is vortex correlation up to T. It is shown, however, that the random disorder added by 211 particles results in an increase of vortex cutti ng when compared to single crystals.