G-type antiferromagnetic order

Figure 7.8 The G-type antiferromagnetic order of the A cations in many cubic phases including CaCuJijD ...

Figure 8.4 NaOsOy (a) projection down [010] of the structure (b) the G-type antiferromagnetic ordering below the metal-insulator transition (space group Pnma)...

The magnetic stractures of the cubic fluoroperovskites AMeFs (Me + = Mn, Fe, Co, Ni) also belong to the G-type 273). Connected with the magnetic ordering below the Ne l-points, small distortions occur which have been studied in the case of potassium compounds by Okazaki and Suemune 237) and by Beckman and Knox 26, 27). A theoretical interpretation of such distortions, which were observed in antiferromagnetic oxides of the rock-salt type also, is given by Kanamori 179, 180). 

Fig. 18. Various types of eollinear antiferromagnetic order found by neutron diffraction. is plus spin and o is minus spin, (a) Face-centered first kind, (b) face-centered third kind, (c) face-centered second kind, type I, (d) face-centered second kind, type II, (e) face-centered fourth kind, type I, (f) face-centered fourth kind, type II. (See following pages for Figs. I8(g)-18(q).)...

Figure 3.7. Temperature dependence of mean spin values for ions Mil (short dashcurve) and (dash dot curve) at antiferromagnetic ordering of G-type (X = 0.9, = 106.5. ).

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