RT Journal Article T1 Cathodoluminescence study of the radiative recombination properties of Se-doped GaSb crystals A1 Díaz-Guerra Viejo, Carlos A1 Vincent, J. A1 Piqueras De Noriega, Francisco Javier A1 Bermudez, V. A1 Diéguez, E. AB The radiative recombination properties of Se-doped GaSb crystals grown by the Bridgman method have been investigated by cathodoluminescence (CL) microscopy and spectroscopy in the scanning electron microscope. A CL band centered at about 765 meV, not previously observed in undoped GaSb, is generally the dominant emission. CL spectra recorded under different excitation conditions suggest that this band can be attributed to a Se-related level-to-band transition. The spatial distribution of the 765 meV emission, as observed in the CL images, indicates an inhomogeneous Se distribution in the material. PB American Institute of Physics SN 0021-8979 YR 2005 FD 2005-01-15 LK https://hdl.handle.net/20.500.14352/51132 UL https://hdl.handle.net/20.500.14352/51132 LA eng NO 1. P. S. Dutta, H. L. Bhat, and V. Kumar, J. Appl. Phys. 81, 5821 (1997).2. H. Mohseni, E. Michel, J. Sandoen, M. Razeghi, W. Mitchel, and G. Brown, Appl. Phys. Lett. 71, 1403 (1997).3. M. G. Mauk and V. M. Andreev, Semicond. Sci. Technol. 18, S191 (2003).4. R. D. Baxter, R. T. Bate, and F. J. Reid, J. Phys. Chem. Solids 26, 41 (1965).5. M. Ichimura, K. Higuchi, Y. Hattori, T. Wada, and N. Kitamura, J. Appl. Phys. 68, 6153 (1990).6. B. B. Kosicki, A. Jayraman, and W. Paul, Phys. Rev. B 172, 764 (1968).7. P. Hubík, J. J. Marešs, J. Krištofik, V. Sestáková, and B. Stfpánek, Semicond. Sci. Technol. 11, 989 (1996).8. J. K. Liakos and P. T. Landsberg, Semicond. Sci. Technol. 11, 1895 (1996).9. G. W. Charache et al., J. Appl. Phys. 85, 2247 (1999).10. P. S. Dutta, B. Méndez, J. Piqueras, E. Diéguez, and H. L. Bhat, J. Appl. Phys. 80, 1112 (1996).11. S. Iyer, L. Small, S. M. Hedge, K. K. Bajaj, and A. Abul-Fadl, J. Appl. Phys. 77, 5902 (1995).12. A. Bignazzi, A. Bosacchi, and R. Magnanini, J. Appl. Phys. 81, 7540 (1997).13. D. A. Shaw and P. R. Thorton, J. Mater. Sci. 3, 507 (1968).14. P. Hidalgo, J. L. Plaza, B. Méndez, E. Diéguez, and J. Piqueras, J. Phys.: Condens. Matter 14, 13211 (2002).15. G. Benz and R. Conradt, Phys. Rev. B 16, 843 (1977).16. U. Pal, P. Fernández, J. Piqueras, N. V. Sochinskii, and E. Diéguez, J. Appl. Phys. 78, 1992 (1995).17. B. B. Kosicki and W. Paul, Phys. Rev. Lett. 17, 246 (1966).18. P. S. Dutta, K. S. Koteswara Rao, K. S. Sangunni, H. L. Bath, and V. Kumar, Appl. Phys. Lett. 65, 1412 (1994).19. D. A. Cusano, Solid State Commun. 2, 353 (1964).20. B. G. Yacobi and D. B. Holt, Cathodoluminescence Microscopy of Inorganic Solids (Plenum Press, New York, 1990).21. J. Doerschel, Mater. Sci. Eng., B 28, 142 (1994). NO © 2005 American Institute of Physics.This work has been carried out in the frame of the Fifth Framework European Programme for research, HPRN-CT 2001-00199 project. Support from MCYT through Project Nos. MAT2003-00455 and MAT2003-09873-C02-01 is also acknowledged.. NO Fifth Framework European Programme for research NO MCYT DS Docta Complutense RD 2 oct 2024