Uniaxial Stress Effects of the Absorption Bands of TI^+-Like Ions Activated Alkali Halides

概要

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The stress effect in the A, B and C absorption bands for light polarized paralleland perpendicular to the applied stress axis is measured separately at liquidhelium temperature, and the change of the first moment due to .{.,-mode distor-tion is obtained, in addition to that due to E.- and T.,-mode distortion. Themoment change due to A.,-mode is confirmed by comparing with the resultsobtained from the hydrostatic pressure experiment. In the moment change due toA.,-mode, an anomalous feature is found; the magnitude of the moment changeof the B and C bands is anomalously smaller than that of the A band. Thisfeature is a characteristic of thallous phosphors which have a large spin-orbitcoupling, and its origin is attributed to the pressure dependence of spin-orbitcoupling.
社団法人日本物理学会の論文
1978-04-15