Heterostructure of TiO2 and macroporous silicon: The simplest relaxation oscillator

Garzon-Roman, A.; Quiroga‐González, Enrique; Zúňiga‐Islas, Carlos

doi:10.1016/j.jsamd.2021.01.003

Cited by 2 publications

(1 citation statement)

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“…The relaxation oscillator is made on the basis of macroporous silicon, the surface of which pores are covered with TiO2. The oscillator combines the dielectric characteristics of TiO2 and the characteristics of the tunnel diode, which the heterostructure has [11]. The kinetics of excess charge carriers in bilateral macroporous silicon is calculated from the system of equations.…”

Section: Introductionmentioning

confidence: 99%

Optics of Macroporous Silicon with Through Pores

Onyshchenko,

Karachevtseva,

Tymochko

et al. 2023

J. Nano- Electron. Phys.

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The paper presents the theory and calculation of transmission, reflection, and absorption of macroporous silicon with through pores. Macroporous silicon with through pores is considered as an effective medium, the surface of which scatters electromagnetic waves. Scattering by the surface of macroporous silicon is taken into account using the effective scattering angle. The effective complex refractive index and the effective absorption coefficient are calculated using the mixing formulas. Derived analytical formulas for calculating transmittance, reflection and absorption of macroporous silicon with through pores take into account multiple reflections from the inner sides of the front and back surfaces. The influence of the volume fraction of pores and the thickness of macroporous silicon with through-pores on its reflection, transmission, and absorption was analyzed. The reflection and transmittance of the front and back surfaces and the absorption by the effective volume of macroporous silicon depend on the volume fraction of pores and affect the optical properties of macroporous silicon with through pores.

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Section: Introductionmentioning

confidence: 99%