1
2
3
4
5
Physical Review B Physical review / B, 99 99 (2019 2019) 19 19, S. 195136 195136
OpenAccess  OpenAccess 
6
7
8
9
Journal of physics / D Applied physics D, 52 (2019) 7, S. 073001
10
11
12
13
14
15
16
17
18
Journal of physics / Condensed matter Condensed matter, 31 (2019) 48, S. 485801
OpenAccess  OpenAccess 
19
20