Nanjundaswamy, K S; Lewicki, A; Kakol, Z; Gopalan, P; Metcalf, P; Honig, J M; Rao, C N R; Spalek, J
(Elsevier Science BV, 1990-03-15)
We present the results for the temperature and field dependence of the magnetic for ceramic materials of the composition La2−xMxNiO4, with M=Sr or Ca and 0≤x≤0.4. The onset of a strong diamagnetism has been observed at ...