Digitale Medien
Springer
The European physical journal
295 (1980), S. 385-400
ISSN:
1434-601X
Quelle:
Springer Online Journal Archives 1860-2000
Thema:
Physik
Notizen:
Abstract The hyperfine interaction of192Ir nuclei as dilute impurities in Fe and Ni has been investigated with NMR on oriented nuclei. With the use of highly dilute and pure alloys the line widths could be reduced so far that the quadrupole splitting of192IrFe and192IrNi could be resolved. Taking hyperfine anomalies into account the ground state nuclear moments of192Ir are deduced as |μ|=1.924(10)μ N andQ=2.36(ll) b. The hyperfine field of IrNi was investigated as a function of the Ir concentrationc between 0.01 at % and 5 at %. The dependence ofH HF onc was found to be significantly smaller than that reported from Mössbauer effect measurements. Forc=0.01 at %H HF=−454.7(2.3)kG is deduced. The resonance shift with an external magnetic field has been studied precisely, yieldingK=0.012(23) andK=0.026(12) for the Knight-shift of192Ir in Fe and Ni, respectively.
Materialart:
Digitale Medien
URL:
http://dx.doi.org/10.1007/BF01412952
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