High-resolution RIXS data fitted with a ligand-field multiplet model show VBr3 and VI3 have opposite trigonal distortions (−0.096 eV vs +0.07 eV) and different orbital ground states, e'^2_g vs e'^1_g a^1_1g.
Determination of electronic structure parameters for different halides in crx 3 (x= cl, br, and i) using high-resolution x-ray scattering
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Trigonal Distortion Driven Ground States in VX3 (X = Br and I)
High-resolution RIXS data fitted with a ligand-field multiplet model show VBr3 and VI3 have opposite trigonal distortions (−0.096 eV vs +0.07 eV) and different orbital ground states, e'^2_g vs e'^1_g a^1_1g.