Study of active regions based on multiperiod GaAsN/InAs superlattice
Babichev A. V. 1, Pirogov E.V.2, Sobolev M. S.2, Denisov D.V.2, Fominykh H.A.2,3, Baranov A. I.2, Gudovskikh A.S.2, Melnichenko I. A.2,3, Yunin P. A.4, Nevedomsky V. N.5, Tokarev M. V.5, Ber B.Ya.5, Gladyshev A. G.1, Karachinsky L. Ya. 1, Novikov I. I. 1, Egorov A. Yu. 2
1ITMO University, St. Petersburg, Russia
2Alferov Federal State Budgetary Institution of Higher Education and Science Saint Petersburg National Research Academic University of the Russian Academy of Sciences, St. Petersburg, Russia
3HSE University, St. Petersburg, Russia
4Institute for Physics of Microstructures, Russian Academy of Sciences, Nizhny Novgorod, Russia
5Ioffe Institute, St. Petersburg, Russia
Email: egorov@spbau.ru

PDF
The results of a study of nitrogen-containing active regions based on superlattices grown on GaAs substrates are presented. Active regions based on alternating InAs and GaAsN layers were fabricated by molecular-beam epitaxy using a nitrogen plasma source. Based on the XRD analysis, the thicknesses and average composition of superlattice layers are estimated. The study of dark-field images obtained by transmission electron microscopy showed the presence of interdiffusion of InAs into GaAsN. The results of a study of the photoluminescence and electroluminescence spectra at different pump levels are presented. Efficient electroluminescence is demonstrated near 1150 nm with a full width at half-maximum of about ~90 meV. Keywords: Superlattices, molecular beam epitaxy, gallium arsenide, dilute nitride, GaAsN, InAs.
Publisher:

Ioffe Institute

Institute Officers:

Director: Sergei V. Ivanov

Contact us:

26 Polytekhnicheskaya, Saint Petersburg 194021, Russian Federation
Fax: +7 (812) 297 1017
Phone: +7 (812) 297 2245
E-mail: post@mail.ioffe.ru