Theory of Polycrystalline Electron Paramagnetic Resonance Spectra of the Oxygen Molecule in Librational Motion

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概要

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• The energy levels of the O_2 molecule subject to a hindering potential are calculated on the basis of the Hamiltonian ℋ=BN^2+CP_2(cosθ)+D(S^2_z-1/3S(S+1))+gμ_BS・H. Here, the z axis is chosen as the internuclear axis of the molecule; N is the angular momentum of nuclear rotation; θis the angle between the z axis and the axis of the molecule at equilibrium. It is shown that the coupling of the spin to the librational motion largely affects the magnetic splitting of energy levels. The resonance peaks in polycrystalline line shape at X band are obtained as a function of c, where c=(-3C/2B)^<1/2>. The temperature dependence of the line shape is discussed, and a comparison with EPR experiments on O_2 in solid N_2 is tried.

• 社団法人日本物理学会の論文
• 1974-10-15

著者

• Hirokawa Shoji

  Department Of Chemistry Faculty Of Science Kyoto University

関連論文

• Theory of the Electron Paramagnetic Resonance of Oxygen Impurity in Solid Nitrogen
• On The Nuclear Pure Quadrupole Resonance in Solid α-Nitrogen
• Theory of Polycrystalline Electron Paramagnetic Resonance Spectra of the Oxygen Molecule in Librational Motion

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