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Chalcopyrite CuGaxIn(1-x)Se2 semiconducting thin films produced by radio frequency sputtering

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Mártil de la Plaza, Ignacio and González Díaz, Germán and Hernández Rojas, J. L. and Lucía Mulas, María Luisa and Sánchez Quesada, Francisco and Santamaría Sánchez-Barriga, Jacobo (1992) Chalcopyrite CuGaxIn(1-x)Se2 semiconducting thin films produced by radio frequency sputtering. Applied physics Letters, 60 (15). pp. 1875-1877. ISSN 0003-6951

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Official URL: http://dx.doi.org/10.1063/1.107140


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Abstract

CuGaxIn1-xSe2 thin films have been deposited by rf sputtering from three targets with different (Ga,In) content (x = 0.25, x = 0.5, and x = 0.75). A structural, compositional, optical, and electrical study has been carried out for films grown at substrates temperatures higher than 350-degrees-C. We have successfully obtained chalcopyrite single phase stoichiometric films. Very sharp absorption edges are obtained, with band gaps of 1.12, 1.35, and 1.51 eV for x = 0, x = 0.5, and x = 0.75, respectively.


Item Type:Article
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© American Institute of Physics. The authors would like to express their acknowledgments to S. García-Martín (XRD facilities) and J. Carabe (Optical Measurement facilities).

Uncontrolled Keywords:Physics, Applied.
Subjects:Sciences > Physics > Electricity
Sciences > Physics > Electronics
ID Code:27132
Deposited On:20 Oct 2014 09:01
Last Modified:10 Dec 2018 14:58

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