Expand this Topic clickable element to expand a topic
Skip to content
Optica Publishing Group

CdHgTe-based nanostructures for photodetectors

Not Accessible

Your library or personal account may give you access

Abstract

This paper presents the results of growing quantum wells based on HgTe (HgTe/Cd<sub>0.735</sub>Hg<sub>0.265</sub>Te) 16.2 and 21nm thick on substrates of (013) CdTe/ZnTe/GaAs by molecular-beam epitaxy. The composition and thickness of the spacer and of the quantum well were monitored by an ellipsometric technique during growth. Galvanomagnetic studies in a wide range of magnetic fields (1-12T) at temperatures close to that of liquid helium (4.2K) showed that a two-dimensional electron gas is present in the nanostructures and that the levels are quantized. High mobilities were obtained for the two-dimensional electron gas: μ<sub>e</sub>=2×10<sup>5</sup>cm<sup>2</sup>/(V⋅sec) for an electron density of N<sub>s</sub>=1.5×10<sup>11</sup>cm<sup>−2</sup> and μ<sub>e</sub>=5×10<sup>5</sup>cm<sup>2</sup>/(V⋅sec) for N<sub>s</sub>=3.5×10<sup>11</sup>cm<sup>−2</sup>. The circular and linear photogalvanic effects were studied in the quantum wells at room temperature in a wide wavelength interval: from the mid-IR (6-16μm) to the terahertz range (100-500μm).

© 2009 Optical Society of America

PDF Article
More Like This
Interband infrared photodetectors based on HgTe–CdHgTe quantum-well heterostructures

V. Ya. Aleshkin, A. A. Dubinov, S. V. Morozov, M. Ryzhii, T. Otsuji, V. Mitin, M. S. Shur, and V. Ryzhii
Opt. Mater. Express 8(5) 1349-1358 (2018)

Stimulated emission in the 2.8–3.5 μm wavelength range from Peltier cooled HgTe/CdHgTe quantum well heterostructures

M. A. Fadeev, V. V. Rumyantsev, A. M. Kadykov, A. A. Dubinov, A. V. Antonov, K. E. Kudryavtsev, S. A. Dvoretskii, N. N. Mikhailov, V. I. Gavrilenko, and S. V. Morozov
Opt. Express 26(10) 12755-12760 (2018)

Infrared photoreflectance of InSb-based two-dimensional nanostructures

D. D. Firsov, O. S. Komkov, V. A. Solov’ev, A. N. Semenov, and S. V. Ivanov
J. Opt. Soc. Am. B 36(4) 910-916 (2019)

Cited By

You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Select as filters


Select Topics Cancel
© Copyright 2024 | Optica Publishing Group. All Rights Reserved