1
2
3
4
5
6
Journal of physics / Condensed matter Condensed matter, 31 (2019) 48, S. 485801
OpenAccess  OpenAccess 
7
8
9
10
11
12
13
14
15
16
17
Journal of physics / Condensed matter, 26 (2014) 27, S. 274202
18
19
20