Figure 1: (IMAGE) Science China Press Caption Conductance oscillations in the ZnO NB SET at 4.2 K: (a) with uniform Coulomb gap; (b) with non-uniform Coulomb gap; contour plots of differential trans-conductance at 4.2 K? (c) for single-tunneling quantum dots; (d) for multi-tunneling junctions. Credit ©Science China Press Usage Restrictions Use with credit. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.