A Note on the Analysis of the Line Shape of Nuclear Magnetic Resonance Dispersion; Relation between Spin-Lattice Relaxation Time and Modulation Frequency

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概要

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• The line shape change of nuclear magnetic resonance dispersion at high r.f. field, γH_1≫ω_m, was discussed as a function of modulation frequency ω_m and spin-lattice relaxation time. The expression of first derivative line shape of nuclear magnetic resonance dispersion was derivated after Redfield's theory. New convenient method to estimate spin-lattice relaxation time of material was proposed from the analysis of the dispersion line shape at a proper modulation frequency and slow scanning. And it was also shown that the dispersion line shape was not so sensitive to the circumstances of resonant nuclei as in the case of absorption, such as Lorentzian or Gaussian. Experiments was done for a simplest case of T_1=T_2, and the agreement with the theory was satisfactory.

• 社団法人日本物理学会の論文
• 1965-10-05

著者

• Nagasawa Hiroshi

  The Institute For Solid State Physics The University Of Tokyo

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