CONTROL CAPABILITY OF ELECTROLYTIC CONCENTRATION ON REFRACTIVE INDEX AND DIELECTRIC CONSTANT OF POROUS SILICON LAYERS

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AMIRTHARAJAN S.; JEYAPRAKASH P.; NATARAJAN J.; NATARAJAN PRITHIVIKUMARAN

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Journal Paper

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Journal: International Journal of Nano Dimension Year:2015 | Volume:6 | Issue:3 Page(s): 315-322

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Title

CONTROL CAPABILITY OF ELECTROLYTIC CONCENTRATION ON REFRACTIVE INDEX AND DIELECTRIC CONSTANT OF POROUS SILICON LAYERS

Author(s)

AMIRTHARAJAN S. | JEYAPRAKASH P. | NATARAJAN J. | NATARAJAN PRITHIVIKUMARAN | Issue Writer Certificate

Keywords

POROUS SILICON

HF CONCENTRATION

POROSITY

REFRACTIVE INDEX

DIELECTRIC CONSTANT

PHOTOLUMINESCENCE

Abstract

POROUS SILICON (PS) samples have been prepared by electrochemical anodization of p-type silicon wafer by varying HF CONCENTRATIONs in the electrolytic solution. The structural, surface morphological, optical and surface composition analysis of the prepared samples were done by X-ray diffraction (XRD), Scanning electron microscopy (SEM), PHOTOLUMINESCENCE (PL) and Fourier transform infrared (FTIR) spectroscopy studies respectively. The grain sizes of PS were determined by XRD study. The POROSITY of PS samples was estimated by using the parameters obtained from the SEM images by the geometrical method. The POROSITY of the samples was found to vary between 11% and 84% due to the variation in HF CONCENTRATION in the electrolytic solution. The REFRACTIVE INDEX and DIELECTRIC CONSTANT values of PS as a function of POROSITY were determined by Effective Medium Approximation methods. Strong visible emission peak at 498 nm, with no apparent shift with respect to variation in etching parameter, is observed in PHOTOLUMINESCENCE study. The surface bonding and their vibration modes of the PS were determined by transmission FTIR spectroscopy.

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APA: Copy

AMIRTHARAJAN, S., JEYAPRAKASH, P., NATARAJAN, J., & NATARAJAN, PRITHIVIKUMARAN. (2015). CONTROL CAPABILITY OF ELECTROLYTIC CONCENTRATION ON REFRACTIVE INDEX AND DIELECTRIC CONSTANT OF POROUS SILICON LAYERS. INTERNATIONAL JOURNAL OF NANO DIMENSION (IJND), 6(3), 315-322. SID. https://sid.ir/paper/322240/en

Vancouver: Copy

AMIRTHARAJAN S., JEYAPRAKASH P., NATARAJAN J., NATARAJAN PRITHIVIKUMARAN. CONTROL CAPABILITY OF ELECTROLYTIC CONCENTRATION ON REFRACTIVE INDEX AND DIELECTRIC CONSTANT OF POROUS SILICON LAYERS. INTERNATIONAL JOURNAL OF NANO DIMENSION (IJND)[Internet]. 2015;6(3):315-322. Available from: https://sid.ir/paper/322240/en

IEEE: Copy

S. AMIRTHARAJAN, P. JEYAPRAKASH, J. NATARAJAN, and PRITHIVIKUMARAN NATARAJAN, “CONTROL CAPABILITY OF ELECTROLYTIC CONCENTRATION ON REFRACTIVE INDEX AND DIELECTRIC CONSTANT OF POROUS SILICON LAYERS,” INTERNATIONAL JOURNAL OF NANO DIMENSION (IJND), vol. 6, no. 3, pp. 315–322, 2015, [Online]. Available: https://sid.ir/paper/322240/en

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