Autor: |
Remme, S., Lehmann, G., Recker, K., Wallrafen, F. |
Zdroj: |
Zeitschrift für Naturforschung A; April 1986, Vol. 41 Issue: 4 p619-622, 4p |
Abstrakt: |
X-band EPR measurements of Ni-doped BaZnF4crystals revealed presence of three centers. Well-resolved hyperfine structure from 19F nuclei at suitable orientations allowed assignment of the most intense spectrum to single ions on Ba sites. The occupation of Zn sites is considerably lower. The third spectrum is assigned to pairs of Ni2+ions on adjacent Ba sites. Attempts to correlate the zero-field splitting (ZFS) patterns of the single ion spectra with the distortions of the first coordination spheres of Ba and Zn resp. with a single intrinsic ZFS parameter for both bridging and nonbridging ligands were equally unsuccessful as in the case of Mn2+. |
Databáze: |
Supplemental Index |
Externí odkaz: |
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