Hoxda & Komo. 



Phil. Ma^. Ser. 6, Vol. 42. PI. VL 



20 



25 mi 



A%IO* 



nl 



4- 



6 - 



Amplitude 



after annealing 

 at 400°C. 



after annealing 

 at 400°c. 



before annealing 



Mg. 

 before annealing 



Ni . after annealing at 800 C 



Ni. before annealing 



Pb. before annealing 



-» Imp iucfe 



20 



2 5 m 



