Acknowledgements

This research was supported by the Massey University Research Fund 2018 (MURF 2018 Project No. 1000020752), Institute of Laser Engineering, Osaka University Collaborative Research Grant (Grant no. 2017B1-RADUBAN), JSPS-VAST Joint Research Project (2011– 2014), the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under Grant Numbers 103.06.89.09 and 103.03-2015.29. M. Cadatal-Raduban and M.V. Luong are very grateful to K.G. Steenbergen and P. Schwerdtfeger for their input and valuable discussions on the numerical simulation of the electronic properties of the LiCAF and LiSAF host.
