R. Ghez, J.S. Lew
Journal of Crystal Growth
Paper
Spatially resolved observation of charge transfer across single grain boundaries in YBaCuO films
Abstract
Transport properties of a single YBaCuO grain boundary have been investigated with a spatial resolution of 1 μm for voltages up to 70 meV. The conductance versus voltage characteristic is found to increase linearly for voltages between 6 and 40 mV. Below 2 mV this characteristic shows periodic oscillations. The origin of these features is discussed. © 1990.
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