Kong Xiangkai, Chen Qianwang
2013, Vol. 71(03): 381-386
doi: 10.6023/A12090707
a Hefei National Laboratory for Physical Sciences at Microscale and Department of Materials Science & Engineering, University of Science and Technology of China, Hefei 230026, China;
b Hefei Institutes of Physical Sciences, Chinese Academy of Sciences, Hefei 230031, China