Heavily Si-doped InAs photoluminescence measurements

• Autorzy: Grodecki K. , Murawski K. , Henig A. , Michalczewski K. , Benyahia D. , Kubiszyn Ł. , Martyniuk P.

Identyfikatory

DOI

10.1515/msp-2017-0075

• Języki publikacji: EN

Abstrakty

EN

In this paper, we present experimental results of photoluminescence for series of InAs:Si heavily doped samples, with doping level varying from 1.6 × 10¹⁶ cm⁻³ to 2.93 × 10¹⁸ cm⁻³. All samples were grown using MBE system equipped with a valved arsenic cracker. The measurements were performed in the temperature range of 20 K to 100 K. Although the Mott transition in InAs appears for electron concentrations above 10¹⁴ cm⁻³, Burstein-Moss broadening of photoluminescence spectra presented in this article was observed only for samples with concentration higher than 2 × 10¹⁷ cm⁻³. For the samples with lower concentrations two peaks were observed, arising from the band gap and defect states. The intensity of the defect peak was found to be decreasing with increasing temperature as well as increasing concentration, up to the point of disappearance when the Burstein-Moss broadening was visible.

Słowa kluczowe

EN

InAs; photoluminescence; Burstein-Moss; heavy doping

• Wydawca: De Gruyter
• Czasopismo: Materials Science Poland
• Rocznik: 2017
• Tom: Vol. 35, No. 3
• Strony: 647--650
• Opis fizyczny: Bibliogr. 18 poz., rys., tab.

Twórcy

autor

Grodecki K.

• Institute of Applied Physics, Military University of Technology, 2 Kaliskiego St., 00-908 Warsaw, Poland

autor

Murawski K.

• Institute of Applied Physics, Military University of Technology, 2 Kaliskiego St., 00-908 Warsaw, Poland

autor

Henig A.

• Institute of Applied Physics, Military University of Technology, 2 Kaliskiego St., 00-908 Warsaw, Poland

autor

Michalczewski K.

• Institute of Applied Physics, Military University of Technology, 2 Kaliskiego St., 00-908 Warsaw, Poland

autor

Benyahia D.

• Institute of Applied Physics, Military University of Technology, 2 Kaliskiego St., 00-908 Warsaw, Poland

autor

Kubiszyn Ł.

• Vigo System S.A., 129/133 Poznańska St., 05-850 Ożarów Mazowiecki, Poland

autor

Martyniuk P.

• Institute of Applied Physics, Military University of Technology, 2 Kaliskiego St., 00-908 Warsaw, Poland

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