{HEAD ~ A process} for preparing a nanocrystalline material comprising at least a first ion and at least a second ion different from the first ion, and wherein {TAIL ~ at least the first ion} is a metal ion, is described 
wherein
{ HEAD ~ A process } for preparing a nanocrystalline material comprising at least a first ion and at least a second ion different from the first ion , and wherein { TAIL ~ at least the first ion } is a metal ion , is described
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH