Hyperfine interactions of 111Cd in TiO2 (Rutile) studied by perturbed angular correlations

✍ Scribed by Th. Wenzel; A. Bartos; K. P. Lieb; M. Uhrmacher; D. Wiarda

• Publisher: John Wiley and Sons
• Year: 1992
• Tongue: English
• Weight: 480 KB
• Volume: 504
• Category: Article
• ISSN: 0003-3804
• DOI: 10.1002/andp.19925040302

✦ Synopsis

The time-differential perturbed angular correlation for ' I 'Cd nuclei has been measured after I In implantation into polycrystalline TiO,. The observed perturbation functions are characterized by a well-defined electric field gradient with the quadrupole coupling constant vp = 105(1) MHz and the asymmetry parameter 4 = 0.18(1). We attribute these hyperfine parameters to "'Cd on the (distorted) substitutional cation site in rutile. The PAC results are compared with those in SnO, rutile as well as with X-ray diffraction, RBS channeling experiments and point charge model calculations including relaxation of the probe atom surrounding.