Easy-axis kagome antiferromagnet: local-probe study of Nd3Ga5SiO14.
作者： A. Zorko , F. Bert , P. Mendels , P. Bordet , P. Lejay
DOI: 10.1103/PHYSREVLETT.100.147201
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摘要: We report a local-probe investigation of the magnetically anisotropic kagome compound Nd3Ga5SiO14. Our zero-field muon spin relaxation (muSR) results provide direct evidence fluctuating collective paramagnetic state down to 60 mK, supported by wipeout Ga nuclear magnetic resonance (NMR) signal below 25 K. At mK dynamics crossover much more static is observed muSR in fields above 0.5 T. Accordingly, NMR recovered at low T threshold field, revealing rapid temperature and field variation fluctuations.
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