Projects supported by the National Natural Science Foundation of China (Grant No. 60871012);the National Key Laboratory of Science and Technology Foundation on Low Light Level Night Vision (Grant No. J20110104);the Research and Innovation Plan for Graduate Students of Jiangsu Higher Education Institutions (Grant No. CXZZ11 0238)
GaN samples 1-3 are cleaned by a 2:2:1 solution of sulfuric acid(98%) to hydrogen peroxide(30%) to de-ionized water;hydrochloric acid(37%);or a 4:1 solution of sulfuric acid(98%) to hydrogen peroxide(30%)...
Project supported by the National Natural Science Foundation of China (Grant No. 60871012);the National Key Laboratory of Science and Technology Foundation on Low-Light-Level Night Vision,China (Grant No. J20110104);the Research and Innovation Plan for Graduate Students of Jiangsu Higher Education Institutions (Grant No. CXZZ11 0238)
A 150-nm-thick CaN photocathode with a Mg doping concentration of 1.6 × 1017 cm-3 is activated by Cs/O in an ultrahigh vacuum chamber, and a quantum efficiency (QE) curve of the negative electron affinity transmiss...
Project supported by the National Natural Science Foundation of China (Grant No. 60871012);the Natural Science Foundation of Shandong Province,China (Grant No. ZR2011FQ027)
We introduce the first domestic in-situ multi-information measurement system for a gallium nitride (GaN) photo- cathode. This system can successfully fulfill heat cleaning and activation for GaN in an ultrahigh vacu...