Scattering spectra in orthorhombic indium bromide under resonant excitation |
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| Authors: | Kaizo Nakamura Nobuhito Ohno Masashi Yoshida Yoshio Nakai |
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| Institution: | Department of Physics, Kyoto University, Sakyo-ku, Kyoto 606, Japan |
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| Abstract: | Emission spectra in indirect gap InBr are measured at liquid helium temperature under Ar+ laser excitation. They consist of many weak lines up to 20 with LO phonon energy (16.4 meV) spacing. They shift with incident laser lines. Even-numbered lines are stronger than odd-numbered lines. They show resonant enhancements when photon energy of scattered light is near the direct exciton energy, 2.33 eV. |
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