Bundulis, Arturs http://orcid.org/0000-0002-6900-3256
Nitiss, Edgars
Busenbergs, Janis
Rutkis, Martins
Funding for this research was provided by:
Ministry of Education and Science, Republic of Latvia (IMIS2)
LU Institute of Solid State Physics (Nr. SJZ/2016/10)
Article History
Received: 16 October 2017
Accepted: 14 March 2018
First Online: 17 March 2018