|  |   |       e
 
 
 
  
 
 


" .."
6
1. $La_{1.4}Sr_{1.6}(Mn_{0.9}Co_{0.1}_2O_7$
2. Ba0.6 K0.4 BiO3.
3. ,
4. , R(H) BaPb0.75 Bi0.25 O3.
5. .
6. , , YBCO + CuO