国家自然科学基金(批准号:50802041;50872050);国家重点基础研究发展计划(973)项目(批准号:2011CB832923);廊坊师范学院重点项目(批准号:LSZZ201 101)资助的课题;Project supported by the National Natural Science Foundation of China(Grant Nos.10875004;11005005);the National Basic Research Program of China(Grant No.2010CB832904)
supported by the National Natural Science Foundation of China (Grant No. 50802041);the National Key Projects for Basic Research of China (Grant No. 2010CB923404);Southeast University
Zn0.98Cu0.020 powders are prepared by the sol-gel method. A small number of CuO impurity phases are observed by the x-ray diffraction, indicating the solubility of Cu in ZnO is less than 2 at.%. The Zn0.98Cu0.020 powd...