STUDY OF POROSITY EFFECT ON PHOTODIODE PROPERTY OF CDO/PSI/SI BY STS

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SAMADPOOR MAHMOOD; IRAJI ZAD AZAM; MAHDAVI S.MOHAMMAD; AZARIAN ABBAS

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Seminar Paper

Paper Information

Seminar: NATIONAL VACUUM CONFERENCE IRAN
Year:2008 | Issue:3

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Title

STUDY OF POROSITY EFFECT ON PHOTODIODE PROPERTY OF CDO/PSI/SI BY STS

Author(s)

SAMADPOOR MAHMOOD | IRAJI ZAD AZAM | MAHDAVI S.MOHAMMAD | AZARIAN ABBAS

Keywords

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Abstract

IN THIS WORK, EFFECT OF POROSITY ON CDO/PSI/SI PHOTODIODE WAS STUDIED BY SCANNING TUNNELING SPECTROSCOPY. THE CDO/PSI/SI MULTILAYERS WERE PREPARED BY ELECTROCHEMICAL ANODIZING OF P TYPE SILICON AND PULSE LASER DEPOSITION WAS EMPLOYED FOR CADMIUM OXIDE DEPOSITION. IN ORDER TO COMPENSATE OXYGEN LACK IN CDO LAYERS, SAMPLES WERE ANNEALED AT 500OC IN AIR ATMOSPHERE FOR 10 MIN. THE CADMIUM OXIDE MORPHOLOGY AND PORE’S DIAMETER OF POROUS SILICON LAYER WERE INVESTIGATED BY SEM AND AFM METHODS. THE XRD ANALYSIS AND UV-VIS SPECTROSCOPY WERE USED TO STUDY THE CRYSTALLINE STRUCTURES AND ESTIMATE THE BAND GAP ENERGY OF CDO LAYERS, RESPECTIVELY. THE DIFFERENT POROSITY OF SILICON LAYERS WERE ACHIEVED BY CHANGING CURRENT DENSITY DURING OF ELECTROCHEMICAL ANODIZING AND EFFECT OF POROSITY ON ELECTRO OPTICAL PROPERTIES OF CDO/PSI/SI STRUCTURES WERE STUDIED. THE RESULTS OF CURRENT-VOLTAGE MEASUREMENT IN DARK AND IN THE PRESENT OF LIGHT SHOWS THAT THERE IS A SPECIAL POROSITY THAT OPTIMIZES THE PHOTODIODE PROPERTIES OF THE SAMPLES.

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Cite

APA: Copy

SAMADPOOR, MAHMOOD, IRAJI ZAD, AZAM, MAHDAVI, S.MOHAMMAD, & AZARIAN, ABBAS. (2008). STUDY OF POROSITY EFFECT ON PHOTODIODE PROPERTY OF CDO/PSI/SI BY STS. NATIONAL VACUUM CONFERENCE IRAN. SID. https://sid.ir/paper/905406/en

Vancouver: Copy

SAMADPOOR MAHMOOD, IRAJI ZAD AZAM, MAHDAVI S.MOHAMMAD, AZARIAN ABBAS. STUDY OF POROSITY EFFECT ON PHOTODIODE PROPERTY OF CDO/PSI/SI BY STS. 2008. Available from: https://sid.ir/paper/905406/en

IEEE: Copy

MAHMOOD SAMADPOOR, AZAM IRAJI ZAD, S.MOHAMMAD MAHDAVI, and ABBAS AZARIAN, “STUDY OF POROSITY EFFECT ON PHOTODIODE PROPERTY OF CDO/PSI/SI BY STS,” presented at the NATIONAL VACUUM CONFERENCE IRAN. 2008, [Online]. Available: https://sid.ir/paper/905406/en

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