Data di Pubblicazione:
2004
Abstract:
29Si NMR measurements in FeSi up to 900K are reported. Below 350K the spin-lattice relaxation rate and the
Knight shift (KS) display behaviors typical of gapped systems and track the homogeneous static susceptibility. In the
high temperature range an unexpected effect is observed with static susceptibility and KS leveling around 500K and then decreasing,
while relaxation rate continues to increase up to 900 K. Insights on the spin dynamics of Fermi-like carriers in strong correlation
are derived.
Knight shift (KS) display behaviors typical of gapped systems and track the homogeneous static susceptibility. In the
high temperature range an unexpected effect is observed with static susceptibility and KS leveling around 500K and then decreasing,
while relaxation rate continues to increase up to 900 K. Insights on the spin dynamics of Fermi-like carriers in strong correlation
are derived.
Tipologia CRIS:
1.1 Articolo in rivista
Keywords:
FESI; NMR; SPIN DINAMICS
Elenco autori:
Corti, MAURIZIO ENRICO; Aldrovandi, S; Fanciulli, M; Tabak, F.
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