It`s very understandable that the likes of Intel fund a number of these adventures. Many discoveries, or infact things that turn out just to be "student in a lab is told 3 or 4 things and looks at stuff a little differently". (to generalize)
Arsenide ? is that closely related to arsenic ? (take away an element and add another) I`m just playing with words there prehaps, the chemists amoungst us would have to verify that. Would there be any problem with emissions ? Heatwize ?