Parkash, O.; Chaturvedi, N.; Tiwari, M.; Kumar, D.
(Springer India, 1989-03)
The spin-state equilibria of cobalt ions in the system La1-x Na x Co1-x Nb x O3 (x≤0·40) has been studied by measuring its magnetic susceptibility as a function of temperature in the range 300-600 K. It is found that the ...