摘要 : The value of longitudinal-transverse splitting COLT equal to 2.5-2.8 meV and the translation mass M = 2.5 m(0) were determined for the A exciton as a result of investigation of the reflectivity and luminescence spectra of CuGaSe2 ... 展开 The value of longitudinal-transverse splitting COLT equal to 2.5-2.8 meV and the translation mass M = 2.5 m(0) were determined for the A exciton as a result of investigation of the reflectivity and luminescence spectra of CuGaSe2 crystals. The emission from the upper and lower polariton branches of the long-wavelength exciton was observed. (c) 2005 Elsevier B.V. All rights reserved. 收起