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Table 3 Relative total energies (per unit containing one hydrogen atom) of different magnetic states to the energetically most stable states of one-side semihydrogenated group-IV monolayers with chair configuration and Curie temperatures (T C ) of ferromagnetic states. For each material (in each row), the lowest value among total energies of NM, FM, and AFM states is set to 0 meV

From: Band Gap Characters and Ferromagnetic/Antiferromagnetic Coupling in Group-IV Monolayers Tuned by Chemical Species and Hydrogen Adsorption Configurations

  NM (meV) FM (meV) AFM (meV) T C (K)
H-silicene 287.8 0 9.6 111.9
     121.6(c)
     300(d, e)
H-germanene 243.1 0 12.3 143.1
     144.8(c)
H-SiGe 251.3 0 8.1 93.4
     110(a)
SiGe-H 290.6 0 9.4 108.9
H-SiC 282.0 0 29.7 344.7
     340(b)
SiC-H 251.6 10.6 0 -
H-GeC 354.1 0 25.7 298.2
GeC-H 261.9 0 4.1 48.0
  1. a, [45]; b, [48]; c [49]; d [50]; e [57]