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This article is cited in 2 scientific papers (total in 2 papers)
The effect of the doping level of starting silicon single crystals on structural parameters of porous silicon produced by electrochemical etching
A. G. Zegryaa, V. V. Sokolova, G. G. Zegryaa, Yu. V. Ganinb, Yu. M. Mikhailovb a Ioffe Institute, St. Petersburg
b Institute of Problems of Chemical Physics, Russian Academy of Sciences, Chernogolovka, Moscow region
Abstract:
The effect of comparatively small changes in the free carrier concentration in a heavily doped $p$-type single-crystal silicon on the structural parameters of porous layers formed as a result of its anodic etching has been found. The pronounced influence exerted by the hole concentration on the structural porous silicon parameters being studied is explained on the basis of the concept of electrochemical pore-formation in silicon crystals as a self-organized cooperative process accompanied by the injection of electrons from the region of the chemical reaction at the propagation front of pores.
Keywords:
porous silicon, electrochemical etching, doping level, porosity.
Received: 18.03.2019 Revised: 02.07.2019 Accepted: 03.07.2019
Citation:
A. G. Zegrya, V. V. Sokolov, G. G. Zegrya, Yu. V. Ganin, Yu. M. Mikhailov, “The effect of the doping level of starting silicon single crystals on structural parameters of porous silicon produced by electrochemical etching”, Pisma v Zhurnal Tekhnicheskoi Fiziki, 45:21 (2019), 3–6; Tech. Phys. Lett., 45:11 (2019), 1067–1070
Linking options:
https://www.mathnet.ru/eng/pjtf5271 https://www.mathnet.ru/eng/pjtf/v45/i21/p3
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