Article History
Received: 23 April 2020
Revised: 15 July 2020
Accepted: 17 August 2020
First Online: 2 September 2020
Conflict of interest
: P.A.A. has a granted patent application together with co-inventor Samuel L.I. Olsson, US10536218. The content in the application is similar to the description in this paper, but it does not contain any experimental or theoretical results.