Table 1 Spin polarization energy E_spin, electronegativity difference Δχ, magnetic anisotropic energy MAE, nearest-neighbor exchange interaction parameter J₁, next-nearest-neighbor exchange interaction parameter J₂, and Curie temperature T_c at hole doping density of 6 × 10¹⁴ cm⁻² for the P3m1-halides.

	E_spin (meV)	Δχ	MAE (μeV)	J₁ (meV)	J₂ (meV)	T_c (K)
BeF₂	120	1.94	−9	21.440	−3.343	26
MgF₂	152	2.67	−15	28.624	−3.931)	63
MgCl₂	101	1.85	−163	34.845	3.081	224
CaF₂	184	2.98	−62	23.212	−1.996	70
CaCl₂	80	2.16	−11	36.036	−5.636	49
CaBr₂	40	1.96	−613	27.296	−1.552	104
CaI₂	14	1.66	−620	5.415	0.663	42
SrF₂	195	3.03	−125	16.900	−0.740	63
SrCl₂	118	2.21	−295	32.319	−4.562	83
SrBr₂	71	2.01	126	38.474	−2.717	126
SrI₂	35	1.71	−1956	9.024	3.092	107
BaF₂	96	3.09	946	38.685	7.868	337
BaCl₂	167	2.27	195	20.222	−0.710	90
BaBr₂	110	2.07	320	32.384	1.431	181
BaI₂	73	1.77	−1776	11.161	5.215	162
ZnF₂	76	2.33	314	14.890	4.560	155
ZnCl₂	65	1.51	−314	20.431	2.748	161
ZnBr₂	42	1.31	−3800	13.446	5.452	179
CdF₂	107	2.29	816	29.730	9.200	320
CdCl₂	114	1.47	−171	31.241	0.785	162
CdBr₂	78	1.27	−5005	20.870	3.980	190
CdI₂	37	0.97	−7917	8.155	4.530	141
HgF₂	71	1.98	−1316	23.307	12.027	333
HgCl₂	84	1.16	366	30.671	6.515	270
HgBr₂	77	0.96	−3391	27.471	6.280	264
HgI₂	52	0.66	−7939	12.72	5.672	185
PbCl₂	53	0.83	0	27.041	14.43	394
PbBr₂	23	0.63	−1013	18.215	11.75	301

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