摘要
C 6 F 6 , vapor is employed to react with CaC 2 and Mg 3 N 2 to grow CaF 2 /a-C and Mg 2 F 2 /a-C core/shell nanowires (tens of micrometers in length, tens to hundreds of nanometers in wire diameter, and tens of nanometers in core diameter), respectively, in high yields. The growth mechanism is proposed to proceed via a reaction at the interface of the vapor and solid reactants. © 2006 American Chemical Society.