State Key Lab of Crystal Materials, Shandong University, Jinan, P. R. of China, 250100
State Key Lab of Crystal Materials, Shandong University, Jinan, P. R. of China, 250100
State Key Lab of Crystal Materials, Shandong University, Jinan, P. R. of China, 250100
State Key Lab of Crystal Materials, Shandong University, Jinan, P. R. of China, 250100
State Key Lab of Crystal Materials, Shandong University, Jinan, P. R. of China, 250100
State Key Lab of Crystal Materials, Shandong University, Jinan, P. R. of China, 250100
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