Bulk nature of the superconductivity of YBa2Cu3Ox single crystals
Emel'chenko G. A. , Kartsovnik M. V. , Kononovich P. A. , Larkin V. A., Osip'yan Yu. A., Ryazanov V. V., Shchegolev I. F.
Resistive and magnetic measurements were carried out using YBa2Cu3Ox single crystals which were grown from a melt and which undergo a superconducting transition at 80-90 K. The Meissner effect showed that these single crystals have a bulk superconductivity.