Structural, Optical and Electrical Properties of Bi-Sb-Se - Ammar, Adly H.;S. Abo Ghzala, Magdy;Elashmawi, Islam S.
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The aim of the present work The present thesis is mainly devoted to: 1- Investigate the structure of Bi40-xSbxSe60 (x = 4, 12, 20, 28 and 36 at. %), using X-ray diffraction. 2- Study the transmittance with respect to wavelength by using IR spectroscopy. 3- Study the transmittance with respect to wavelength using the ultraviolet/visible spectrophotometer and determination the optical constants and energy gap of bulk Bi40-xSbxSe60 samples. 4- Study the compositional dependence of the activation energy by d.c dark conductivity. 5- Study the compositional dependence of the a.c conductivity and dielectric constants.…mehr

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Produktbeschreibung
The aim of the present work The present thesis is mainly devoted to: 1- Investigate the structure of Bi40-xSbxSe60 (x = 4, 12, 20, 28 and 36 at. %), using X-ray diffraction. 2- Study the transmittance with respect to wavelength by using IR spectroscopy. 3- Study the transmittance with respect to wavelength using the ultraviolet/visible spectrophotometer and determination the optical constants and energy gap of bulk Bi40-xSbxSe60 samples. 4- Study the compositional dependence of the activation energy by d.c dark conductivity. 5- Study the compositional dependence of the a.c conductivity and dielectric constants.
Autorenporträt
Prof. Dr. Adly H. Ammar and Prof. Dr. Islam S. Elashmawi work at Physics Department; Faculty of Science; Taibah University (Al-Ula Branch; Saudi Arabia.