Effects of Pr substitution on the hydrogenating process and magnetocaloric properties of La1-xPrxFe11.4Si1.6Hy hydrides*

Project supported by the National Natural Science Foundation of China (Grant Nos. 51301008 and 51171003) and the Beijing Natural Science Foundation, China (Grant No. 1112005)

Xu Lei1, 2, Zhao Jin-Liang2, †, Yang Jing-Jie2, Zhang Hong-Guo1, Liu Dan-Min3, Yue Ming1, ‡, Jang Yi-Jian4
       

(color online) Hydrogen pressure-dependent hydrogen content values (wt%) for La Pr Fe Si (x = 0, 0.2, 0.4) measured at 373 K in absorbing and releasing processes.