Grzibovskis, Raitis http://orcid.org/0000-0001-5863-2295
Vembris, Aivars http://orcid.org/0000-0002-9346-946X
Funding for this research was provided by:
European Regional Development Fund (1.1.1.1 activity project Nr. 1.1.1.1/16/A/046)
Institute of Solid State Physics, University of Latvia (Scientific Research Project for Students, Young Researchers Nr. SJZ2016/20)
Article History
Received: 11 March 2019
Accepted: 11 June 2019
First Online: 15 June 2019
Compliance with ethical standards
:
: Authors have no conflicts of interest to declare.
Free to read: This content has been made available to all.