A systematic and all-round study was made on the grain growth of nano-SnO_2.It represents sharp growth in initial stage and reach nanosize extreme dimension in later stage.

• 对纳米SnO_2的生长规律进行了系统全面的分析研究，其等温生长表现为初期高速生长与后期存在纳米尺度的极限尺寸；