Abstract
The temperature dependence of the Nuclear Quadrupole Interaction on 44Sc in rutile was measured by Time Differential Perturbed Angular Correlation in the temperature range from 300 K to 945 K. Whereas \(\upomega _{\rm Q} = \mathrm{eQV}_{\rm zz}/4\rm \hbar\) with Vzz denoting the largest component of the electric field gradient tensor in magnitude increases with increasing temperature, the asymmetry parameter η remains essentially constant. This observation fits into the systematic with other probes provided the sign of Vzz is negative.
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Butz, T., Vianden, R. The temperature dependence of the nuclear quadrupole interaction of 44Ti(EC)44Sc in rutile. Hyperfine Interact 221, 99–103 (2013). https://doi.org/10.1007/s10751-012-0675-7
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DOI: https://doi.org/10.1007/s10751-012-0675-7