The butterfly martensite nuclei in an Fe-Ni-V-C alloy were observed under TEM,they con-sist of enveloping dislocations with Burger’s vector(1/2)[(?)]<sub>fcc</sub>
Amorphous Al<sub>80</sub>Fe<sub>20</sub> powder which can hardly be obtained using conventional rapid quenchingtechnique was directly prepared from crystalline