Line shape, linewidth and configuration coordinate diagram of the Cu band (1.21 ev) in InP

Pal, D. ; Bose, D. N. (1995) Line shape, linewidth and configuration coordinate diagram of the Cu band (1.21 ev) in InP Journal of Applied Physics, 78 (8). pp. 5206-5208. ISSN 0021-8979

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Official URL: http://jap.aip.org/japiau/v78/i8/p5206_s1?isAuthor...

Abstract

Photoluminescence (PL) measurements carried out between 10 and 140 K on Cu-diffused InP showed the presence of the Cu band at 1.216 eV. From the temperature variation of PL intensity the activation energy for the quenching was found to be 77.4 meV. The line shape, linewidth, and configuration coordinate diagram of the defect band have been calculated. The vibration energy of the excited state was found to be 14 meV from linewidth analysis. A coupled phonon energy of 38 meV and a Huang-Rhys factor of 2.13 were obtained from line-shape analysis. The displacement of the excited state minimum from the ground state was found to be 0.079 Å which showed that the lattice relaxation of the Cu-related defect in InP is small

Item Type:Article
ID Code:5711
Deposited On:19 Oct 2010 11:25
Last Modified:20 May 2011 05:45

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