Another interesting rare earth hexaboride is that of lanthanum.
This is a low work function thermionic emitter – which would probably work with LENR for direct conversion of heat to electricity. Hasan is the most read researcher in the field. http://ieeexplore.ieee.org/xpl/articleDetails.jsp?reload=true <http://ieeexplore.ieee.org/xpl/articleDetails.jsp?reload=true&arnumber=6572545> &arnumber=6572545 From: CB Sites Samarium hexaboride (SmB6) is certainly one of the weirdest materials. It's so weird, that I have it written on my office door. Jack Cole wrote: Check out this great article I read on WIRED: Paradoxical Crystal Baffles Physicists http://www.wired.com/2015/07/paradoxical-crystal-baffles-physicists/

