Nuclear Magnetic Relaxation in Palladium
作者： Masashi Takigawa , Hiroshi Yasuoka
DOI: 10.1143/JPSJ.51.787
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摘要: The Knight shift and the nuclear spin-lattice relaxation rate (1/ T 1 ) of 105 Pd nuclei has been measured in an exchange-enhanced paramagnet metal, temperature range between 4.2 300 K. Frorn measurement core polarization hyperfine field is obtained to be -(3.39±0.03)×10 5 Oe/µ B . 1/ proportional with value, 1/( )=1.35±0.03 sec -1 K , below about 150 K, while begins deviate from this relation smaller values at higher temperature. Relaxation due d-electron spin, d was by subtracting estimated other contributions value dependence we conclude that mostly determined long wavelength component spin fluctuation whole range.
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