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نمایش تعداد 1-7 از 7

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    Synthesis and characterization of nanocrystalline layer Li(Li0.21Mn0.54Ni0.125Co0.125−x)AlxO2 for lithium-ion batteries application 

    نوع: Journal Paper
    نویسنده : R Etefagh; S. M. Rozati; هادی عربی; R Etefagh; S. M. Rozati; Hadi Arabi
    سال: 2019
    خلاصه:

    In this study, undoped and doped nanopowders of Li(Li0.21Mn0.54Ni0.125Co0.125-x)AlxO2 (x = 0, 0.02%, were 0.05, 0.075 and 10%) of Al impurity by the sol–gel method, and the effect of different percentages investigated on ...

    Effect of Zn doping on optical properties and photoconductivity of SnS2 nanocrystalline thin films 

    نوع: Journal Paper
    نویسنده : R. Etefagh; ناصر شاه طهماسبی; M Karimpour; Nasser Shahtahmassebi
    سال: 2013
    خلاصه:

    Abstract. Zn-doped SnS2 thin films have been deposited simply by spray pyrolysis technique. The doping level was changed from [Zn/Sn] = 0 to 7·5 at%. The films were characterized by means of X-ray diffraction, scanning ...

    Effect of Zn-doping on absorption coefficient and photo-conductivity of SnS2 thin films deposited by spray pyrolysis technique 

    نوع: Journal Paper
    نویسنده : R. Etefagh; N. Shahtahmassebi; M.-R. Benam; M.-M. Bagheri Mohagheghi
    سال: 2014
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    Synthesis of CuO nanoparticles and fabrication of nanostructural layer biosensors for detecting Aspergillus niger fungi 

    نوع: Journal Paper
    نویسنده : ناصر شاه طهماسبی; الهه آژیر; R. Etefagh; Nasser Shahtahmassebi; Elahe Azhir
    سال: 2013
    خلاصه:

    Abstract: Copper oxide (CuO) nanoparticles and nanolayers were synthesized by sol–gel and spray

    pyrolysis methods, respectively. The structure and morphology of the prepared samples were

    characterized using ...

    Preparation, Characterization and Antibacterial Activity of Manganese Oxide Nanoparticles 

    نوع: Journal Paper
    نویسنده : الهه آژیر; R. Etefagh; ناصر شاه طهماسبی; منصور مشرقی; پروانه پردلی; Elahe Azhir; Nasser Shahtahmassebi; Mansour Mashreghi; Parvaneh Pordeli
    سال: 2015
    خلاصه:

    Manganese oxide nanoparticles (Mn3O4-NPs) were prepared using precipitation method. The prepared nanoparticles were characterized by a number of techniques, including X-ray diffraction (XRD) analysis, scanning electron ...

    Room Temperature Magnetization of Co-doped TiO2Thin Films Prepared by Spray Pyrolysis Technique 

    نوع: Conference Paper
    نویسنده : مسعود کریمی پور; M. Magetod; ناصر شاه طهماسبی; محمود رضائی رکن آبادی; R. Etefagh; الهه آژیر; M. Mwamburi; Z. Topalian; P. Svedlindh; Masoud Karimipour; Nasser Shahtahmassebi; Mahmood Rezaee Roknabadi; Elahe Azhir
    سال: 2012
    خلاصه:

    The influence of Co concentration (x) on the structural, magneto-optical

    properties of CoxTi1-xO2 films has been investigated. The films were

    deposited by spray pyrolysis technique on Si(100) substrates at ...

    Effect of Zn Doping on Structural and Optical Properties ofFe3O4 Nanoparticles Prepared by Co-Precipitation Method 

    نوع: Conference Paper
    نویسنده : زهرا رضای مرند; ناصر شاه طهماسبی; محمود رضائی رکن آبادی; محمدرضا حسین دخت; M. Rezaee Roknabadi; میترا حلمی رشید فریمانی; R. Etefagh; Zahra Rezai Marand; Nasser Shahtahmassebi; Mahmood Rezaee Roknabadi; Mohammad Reza Housaindokht; Mitra Helmi Rashid Farimani
    سال: 2012
    خلاصه:

    Different Fe2O3/ZnO nanocomposites were prepared by a simple

    solid-state reaction method, using zinc acetate, α-Fe2O3 and sodium

    hydroxide at room temperature. The characterization results show that

    the ...

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