- Conference date: 27 Feb-6 Mar 1999
- Location: Kirchberg, Tirol (Austria)
EPR measurements in the metallic and the low-temperature orthorhombic phases of and powder samples have been performed at 9, 34, and 94 GHz. Detailed analysis reveals that all line features emerging in the low-temperature phase can be assigned to paramagnetic defects. We conclude that, in contrast to previous interpretations of the data, no signs of antiferromagnetic resonance (AFMR) have been observed. Furthermore we report on 94 GHz measurements of single crystals which show a clear angular dependence in the metallic regime.
- Antiferromagnetic resonance
- Crystal defects
- Electron paramagnetic resonance spectroscopy
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