Studies of Hydrogen Vibrations in Transition Metal Hydrides by Thermal Neutron Transmissions

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概要

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• The total scattering cross sections of hydrogen atoms for thermal neutrons were measured as a function of the neutron energy for TiH_<1.3>, TjH_<1.6>, TiH_<1.9>, TiH_<2.0>, VH_<0.25>, NbH_<0.85> and TaH_<0.7> at room temperature. The results clearly show the effect of the inelastic scatteering of neutrons, due to excitation of the hydrogen vibrations, and are utilized to determine the energy levels of the optical vibrations in the hydride lattices. They are 0.135 eV for TiH_<1.3-2.0>, 0.165 eV for VH_<0.25>, 0・150 eV for NbH_<0.85>, and 0.145 eV for TaH_<0.7>. It was found that there is an approximately linear relation between the energies of the optical phonons and the metal-hydrogen distances reported on various hydrides, except for palladium hydride.

• 社団法人日本物理学会の論文
• 1964-10-05

著者

• Sakamoto Masanobu

  Japan Atomic Energy Research Institute

• Sakamoto Masanobu

  Japan Atomic Energy Research Insutitute Tokai-mura

関連論文

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• Electrical Resistivity of UFe_2 and UMn_2
• Ferromagnetism of the Intermetallic Compound UFe_2
• Choice of Collimators for Neutron Diffraction
• Studies of Hydrogen Vibrations in Transition Metal Hydrides by Thermal Neutron Transmissions
• Scattering of Long Wavelength Neutrons by Precipitations in Al_Cu_ Alloys

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