Giapis, Konstantinos P. and Jensen, Klavs F. and Potts, J. E. and Pachuta, Steven J. (1989) Carbon incorporation in ZnSe grown by metalorganic chemical vapor deposition. Applied Physics Letters, 55 (5). pp. 463-465. ISSN 0003-6951. doi:10.1063/1.101853. https://resolver.caltech.edu/CaltechAUTHORS:20120510-141904310
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Abstract
Carbon incorporation in ZnSe films grown by metalorganic chemical vapor deposition is reported. Secondary‐ion mass spectrometry measurements in ZnSe films grown from methylallylselenide and dimethylzinc show an enhanced carbon accumulation at the interface between ZnSe and GaAs. The carbon incorporation in the bulk ZnSe increases with the VI/II ratio and for a value of VI/II=3–4, the amount of incorporated carbon abruptly jumps to concentrations of 10^(21) cm^(−3), whereupon the films become polycrystalline. A new shallow peak I^C at 2.7920 eV dominates the near‐band‐edge low‐temperature photoluminescence spectra of all carbon‐contaminated ZnSe films. The intensity and linewidth of I^C increase with the VI/II ratio in a similar manner to the carbon concentration. This peak is proposed to be due to the radiative decay of excitons bound to a complex defect, which is associated with the presence of carbon in the films.
Item Type: | Article | |||||||||
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Additional Information: | © 1989 American Institute of Physics. Received 24 March 1989; accepted 26 May 1989. The authors are grateful to G. Haugen for his technical assistance with the PL measurements, This work was supported by the National Science Foundation (CBT-8351249) and by a University of Minnesota Graduate School Doctoral Dissertation Fellowship to K. P. G. American Cyanamid is also thanked for providing the methylallyl Se source. | |||||||||
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Subject Keywords: | CHEMICAL VAPOR DEPOSITION, THIN FILMS, CARBON, CRYSTAL DOPING, IMPURITIES, ZINC SELENIDES, GALLIUM ARSENIDES, EXCITONS, PHOTOLUMINESCENCE, CRYSTAL DEFECTS, DOPING PROFILES | |||||||||
Issue or Number: | 5 | |||||||||
Classification Code: | PACS: 68.55.Ln; 81.15.-z; 81.15.Gh; 78.55.Et | |||||||||
DOI: | 10.1063/1.101853 | |||||||||
Record Number: | CaltechAUTHORS:20120510-141904310 | |||||||||
Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20120510-141904310 | |||||||||
Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
ID Code: | 31421 | |||||||||
Collection: | CaltechAUTHORS | |||||||||
Deposited By: | INVALID USER | |||||||||
Deposited On: | 10 May 2012 22:59 | |||||||||
Last Modified: | 09 Nov 2021 19:52 |
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