Authors
O. Lisovski
Institute of Solid State Physics, University of Latvia, Latvia
A. Gopejenko
Institute of Solid State Physics, University of Latvia, Latvia
L. Trinkler
Institute of Solid State Physics, University of Latvia, Latvia
M.M.C. Chou
Center of Crystal Research, Department of Materials and Optoelectronic Science, National Sun Yat-Sen University, Taiwan
L.W. Chang
Center of Crystal Research, Department of Materials and Optoelectronic Science, National Sun Yat-Sen University, Taiwan