in melt treatment of LaF3 (2-10 wtpercent) with Zr (Zr:LaF3=4:1) in mixt. of NaF (51 molpercent) and ZrF4 (49 molpercent); outgassing at 200 and 400°C for 1 h; heating to 570-650°C in Ar; monitoring by XRD;
参考文献
Savchuk; Kompanichenko; Omel'Chuk
Russian Journal of Inorganic Chemistry, 2005 , vol. 50, # 12 p. 1946 - 1952
