Fig. 2From: In2O3 Nanotower Hydrogen Gas Sensors Based on Both Schottky Junction and Thermoelectronic Emission a The highly magnified FESEM image and b the XRD pattern of the In2O3 nanotowers [7]. c The bright-field image, d the HRTEM image, and e the SAED pattern of an individual In2O3 nanotower [7]Back to article page