حسين عبد الحافظ الزناتي

استاذ - رئيس قسم الفيزياء

كلية العلوم

العنوان: قسم الفيزياء، كلية العلوم بسوهاج



المنشورات و المؤلفات التي تحتوي علي الكلمة المفتاحية: Nanostructures

2019-03-23 15:29:53 الكلمات المفتاحية thermoelectric, power factor, Optical , Bi2Te3;, optica, Nanostructures, Bi2Te3,
Optical, Electrical, and Thermoelectric Properties of Hydrothermally Synthesized Bi2Te3 Nanoflakes
Thermoelectric power generators are promising for clean energy production through converting the waste heat to electricity in environmentally friendly ways without any noise or pollutants. This work reports a facile method to synthesize Bi2Te3 nanoflakes with an investigation of their structural, optical, and thermoelectric properties. Various techniques such as X-ray diffraction, field emission scanning electron microscope, transmission electron microscope, and ... إقراء المزيد

2020-03-06 23:05:18 الكلمات المفتاحية Metal oxide, Nanostructures, semiconductor,
Development of Metal Oxide Nanoparticles as Semiconductors
The physical and chemical properties of semiconductor materials change drastically when its size is reduced to nanoscale due to their large surface area or quantum size effect. Metal oxide (MOx) semiconducting nanostructures hold the potential for playing a critical role in the development of a new platform for renewable energies, including energy conversion and storage through photovoltaic effect, solar fuels, ... إقراء المزيد

2018-09-02 13:54:35 الكلمات المفتاحية Nanostructures, Chemical synthesis, TEM andSEM , Photoluminescence spectroscopy,
Characteristics and optical properties of MgO nanowires synthesized by solvothermal method
Magnesium oxide (MgO) nanowires were synthesized by solvothermal method using magnesium nitrate hexahydrate and sodium hydroxide. Field emission scanning electron microscopy(FE- SEM) and transmission scanning electron microscopy (TEM) measurements indicate that the product consists of a large quantity of nanowires with average diameter of 20 nm and average length of several micrometers. Explorations of X-ray diffraction (XRD), energy dispersive analysis ... إقراء المزيد

2018-09-03 15:00:43 الكلمات المفتاحية TEM, TGA, Ni-Schiff base complexes, electric, thermoelectric, Magnetic, Nanostructures, IR, semiconductor,
Electric, Thermoelectric and Magnetic Properties of Nickel(II) Imine Nanocomplexes
Production of novel organic semiconductor nanomaterials is essential for enabling the development of personal, portable and flexible electronic modules. This work presents Ni(II)-Schiff base complexes with enhanced Seebeck coefficient and weak ferromagnetic ordering for thermoelectric and magnetic devices. Four Ni(II)-Schiff base complexes (namely [Ni(C12">1212H10">1010N3O4Br)]⋅">⋅⋅2H2O, [Ni(C16">1616H11">1111N3O4)">4)4)]⋅">⋅⋅2H2O, [Ni(C21">2121H14">1414N5O8Br)] and [Ni(C25">2525H17">1717N5O8)">8)8)]⋅1/2">⋅1/2⋅1/2H2O) have been synthesized in nanosized dimensions. The electrical and thermoelectric properties have ... إقراء المزيد

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