Abstract
We herein report on the density- and temperature-dependent decay of the 93mNb nuclear excited atom and present a simple interpretation of the underlying physics. This anomaly indicates nuclear resonant absorption and delocalisation of the long-lived Mössbauer state in the crystal. A non-linear magnetoelectric response, on low-frequency drive current, appeared in the bulk metal of a high-purity niobium crystal and then disappeared along with the disappearance of delocalised nuclear excitation. Several non-linear resonant peaks, of the order of several hundred Hertz, increased in magnitude with the applied magnetic field, and the central frequencies of these peaks decreased with temperature.
Original language | English |
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Pages (from-to) | 43-54 |
Number of pages | 12 |
Journal | Radiation Effects and Defects in Solids |
Volume | 170 |
Issue number | 1 |
DOIs | |
State | Published - 2 Jan 2015 |
Keywords
- anomalous decay
- delocalised nuclear excitation
- long-lived Mössbauer effect
- magnetoelectric effects
- neutron activation
- Niobium