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27Al nuclear magnetic resonance spectra of Ce3Al11 at low temperatures

✍ Scribed by J.L. Gavilano; J. Hunziker; S. Bu¨chi; Z. Fisk; H.R. Ott


Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
165 KB
Volume
194-196
Category
Article
ISSN
0921-4526

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✦ Synopsis


We have measured the 27A1 nuclear magnetic resonance, NMR, spectra of oriented powder of the intermetallic compound CeaAlll at temperatures between 0.03 K and 20 K, and frequencies of 2.815 MHz, 3.925 MHz, 9.208 MHz and 74.81 MHz. In the paramagnetic state the NMR spectra show the quadrupolar-split contribution of the four inequivalent Al-sites with strongly temperature-dependent Knigth shifts. The NMR spectra indicate the onset of a ferromagnetic phase below 6.2 K transforming into a sinusoidally modulated antiferromagnetic state below 3.3 K.


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