1
Journal of physics / Condensed matter, 28 (2016) 47, S. 476001
2
3
Physical Review B Physical review / B, 94 94 (2016 2016) 3 3, S. 035114 035114
OpenAccess  OpenAccess 
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20