I just started studying Zero-field splittings to understand the origins of magnetic anisotropy. So far, the concept of axial and rhombic anisotropic components are getting clear, but I still cant make sense of the meaning of a change in signal on the D component.
What happens if a have a positive D instead of a negative D?
Ian Pope Moseley
Depending on the sign of D you will stabilize different Ms levels. For negative D, the largest (+ and -) Ms levels will be stabilized, while for positive D, you will see a stabilization of the smallest Ms levels.
There are other repercussions of this change in sign, but much of the observed effects can be traced back to this fundamental change in ground state Ms levels. Hope this helps.
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