Theoretical Studies of High-Pressure Effects on Optical Properties of Ruby

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概要

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• The discrete variational (DV)-Xα method is applied to the calculation of energies, ΔE_U and ΔE_R, of the excitations from the t_<2g>^3 ^4A_<2g> ground state to the t_<2g>^2 eg ^4T_<2g> and t_<2g>^3 ^2E_g excited states, respectively, of an octahedral [CrO_6]^<9-> cluster under high pressure. The dependence of these energies upon the Cr-O distance, R, is found to be δ(lnΔE_U)/δ(lnR)=-4.5, and δ(lnΔE_R)/δ(lnR)=0.375. The latter dependence gives a good agreement with an empirical relation between the pressure and the spectral shift of the R emission line of ruby; this relation is used for the pressure calibration.

• 社団法人応用物理学会の論文
• 1982-05-20

著者

• SUGANO Satoru

  The Institute for Solid State Physics, Tokyo University

• Sugano Satoru

  The Institute For Solid State Physics The University Of Tokyo

• Ohnishi Shuhei

  Northwestern University

関連論文

• Zero-Lines and Their Magnon-Sidebands in Antiferromagnetic MnF_2
• Optical Absorption Lines of Ruby in a Strong Magnetic Field
• Optical Observation of Adiabatic Magnetization in Rare-Earth Compounds
• Paschen-Back Effect of R Lines in TlCr Alum
• Theoretical Studies of High-Pressure Effects on Optical Properties of Ruby
• Discrete Variational X_α Cluster Calculations. III. Application to Transition Metal Complexes
• Effects of Thermal Fluctuation on Sturctures of Microclusters
• Optical Absorption Edge in Layer-Type Semiconductors

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