True 3-D displays for avionics and mission crewstations
Elizabeth A. Sholler, Frederick M. Meyer, et al.
SPIE AeroSense 1997
The covalent reduction of the hyperfine splitting A of Mn2+ and other transition metal impurities in crystals is interpreted as resulting from the exchange polarization of the bonding orbitals containing 4s-admixture of the impurity. The calculated unpaired spin density responsible for the reduction of A is composed of two contributions. The first one results from the ligand → 4s transfer of the up-spin electron overcompensating the transfer of the down-spin electron. The second contribution is due to the difference between the 4s-radial wave function of up- and down-spin electrons. The latter effect is shown to be a dominating one on both the theoretical and experimental grounds. The theory is applied to discuss the relationship of A vs. covaleney for 3d transition metal ions in various hosts. It is concluded that in covalent crystals the 4s-bonding of the impurity dominates over the 3d-bonding. © 1970.
Elizabeth A. Sholler, Frederick M. Meyer, et al.
SPIE AeroSense 1997
U. Wieser, U. Kunze, et al.
Physica E: Low-Dimensional Systems and Nanostructures
Dipanjan Gope, Albert E. Ruehli, et al.
IEEE T-MTT
P.C. Pattnaik, D.M. Newns
Physical Review B