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51 Result(s)

within K. Khirouni Remove this filter Characterization and Evaluation of Materials Remove this filter

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  1. No Access

    Article

    Modeling of Magnetic, Magnetocaloric Properties and Dielectrical Characterization of (La0.75Nd0.25)2/3(Ca0.8Sr0.2)1/3MnO3 Manganite Oxide

    In the present work, we aim to analyze the magnetocaloric and electrical properties of (La0.75Nd0.25)2/3(Ca0.8Sr0.2)1/3MnO3 manganite prepared by solid-state method at high temperature. The experimental results o...

    S. Chouikhi, J. Khelifi, M. Nasri, E. Dhahri… in Journal of Low Temperature Physics (2019)

  2. No Access

    Article

    Barium deficiency and sintering temperature effects on structural and transport properties of La0.5Eu0.2Ba0.3−x□xMnO3 manganites

    La0.5Eu0.2Ba0.3−x□xMnO3 (x = 0.00, 0.05 and 0.15) samples were prepared using sol–gel method and annealed at Ts = 750 and 950 °C. The X-ray diffraction technique shows that all samples crystallize in the rhombohe...

    Amira khlifi, A. Mleiki, H. Rahmouni… in Journal of Materials Science: Materials in… (2019)

  3. No Access

    Article

    Structural, AC conductivity, conduction mechanism and dielectric properties of La0.62Eu0.05Ba0.33Mn0.85Fe0.15O3 ceramic compound

    The new perovskite compound La0.62Eu0.05Ba0.33Mn0.85Fe0.15O3 was successfully synthesized via the sol–gel process. X-ray diffraction revealed that our sample is pure and crystallizes in the orthorhombic structure...

    W. Ncib, A. Ben Jazia Kharrat, M. Saadi… in Journal of Materials Science: Materials in… (2019)

  4. No Access

    Article

    Effect of Seed Layer and Thermal Annealing on Structural and Optical Properties of Silicon Layers Deposited by PECVD

    Hydrogenated silicon (Si:H) layers have been deposited on crystalline silicon substrate by radiofrequency plasma-enhanced chemical vapor deposition technique (rf-PECVD) from SiH4/H2 gas mixture using different de...

    N. K. Maaloul, M. Kraini, K. Khirouni, H. Khemakhem in Journal of Electronic Materials (2019)

  5. No Access

    Article

    Vapor–liquid–solid silicon nanowires growth catalyzed by indium: study of indium oxide effect

    In this work, we report on vapor–liquid–solid growth of silicon nanowires (SiNWs) catalyzed by indium, a low-eutectic post-transition metal. The indium catalyst is synthesized ex situ by annealing indium-coate...

    R. Benabderrahmane Zaghouani… in Journal of Materials Science: Materials in… (2019)

  6. No Access

    Article

    Impact of low titanium concentration on the structural, electrical and dielectric properties of Pr0.75Bi0.05Sr0.1Ba0.1Mn1−xTixO3 (x = 0, 0.04) compounds

    In this work, we report the effect of Ti-do** on the structural, electrical and dielectric properties of Pr0.75Bi0.05Sr0.1Ba0.1Mn1−xTixO3 (x = 0 and 0.04) manganites synthesized by sol–gel route. X-ray structur...

    H. E. Sekrafi, A. Ben Jazia Kharrat… in Journal of Materials Science: Materials in… (2019)

  7. No Access

    Article

    Physical properties of Ag/Ca doped Lantanium manganite

    La0.6Ca0.3Ag0.1MnO3 system has been synthesized using the cheap solid–solid process. Structural analysis indicates that the sample exhibits a single phase of intragranular. Electrical and dielectric data, over a ...

    Nadia Assoudi, W. Hzez, R. Dhahri, I. Walha… in Journal of Materials Science: Materials in… (2018)

  8. No Access

    Article

    ZnO and carbon nanocomposites for enhanced photoelectrochemical sensing activity: influence of the carbon content

    In this work, carbon and zinc oxide (ZnO:C) nanocomposites were obtained by a hydrothermal reaction process. ZnO nanoparticles were first prepared by a homogeneous coprecipitation method. Nanocomposites with a...

    M. Gaidi, M. Salem, S. Akir, I. Massoudi… in Journal of Solid State Electrochemistry (2018)

  9. No Access

    Article

    The effects of do** type on structural and electrical properties of silicon nanocrystals layers grown by plasma enhanced chemical vapor deposition

    The purpose of this paper is to compare the influence of boron and phosphor do** on the optical, structural and electrical properties of hydrogenated amorphous silicon (a-Si:H) thin films elaborated at low r...

    M. Khelil, S. Kraiem, M. Kraini… in Journal of Materials Science: Materials in… (2018)

  10. No Access

    Article

    The effects of argon and helium dilution in the growth of nc-Si:H thin films by plasma-enhanced chemical vapor deposition

    We used argon and helium gases to dilute silane to deposit silicon thin films by plasma-enhanced chemical vapor deposition (PECVD). Obtained films were characterized by Raman spectroscopy, spectroscopic ellips...

    F. Chaibi, R. Jemai, H. Aguas, H. Khemakhem, K. Khirouni in Journal of Materials Science (2018)

  11. No Access

    Article

    Investigation of structural, electrical and dielctrical properties of Pr0.67Ba0.22Sr0.11Mn1−xFexO3 (0 ≤ x ≤ 0.2) perovskite

    In the present work, we have studied the structural, electrical and dielectrical properties of Pr0.67Ba0.22Sr0.11Mn1−xFexO3 (0 ≤ x ≤ 0.2) materials prepared through the solid state reaction. This study has been p...

    K. Snini, H. Rahmouni, F. Ben Jemaa… in Journal of Materials Science: Materials in… (2018)

  12. No Access

    Article

    Properties of nickel doped In2S3 thin films deposited by spray pyrolysis technique

    In this work, nickel (Ni) doped indium sulfide (In2S3) films have been prepared by the spray pyrolysis (CSP) technique on glass substrates at 350 °C. The Ni do** level was changed with Ni:In (0, 2 and 4% in sol...

    M. Kraini, N. Bouguila, N. Moutia… in Journal of Materials Science: Materials in… (2018)

  13. No Access

    Article

    Structural, electric and dielectric properties of Ca0.85Er0.1Ti1−xCo4x/3O3(0 ≤ x ≤ 0.1)

    The structural and physical properties of Ca0.85Er0.1Ti1−xCo4x/3O3 (CETCox) (x = 0.00, 0.05 and 0.10), synthesized by sol–gel method were studied. The polycrystalline sample of CETCox was investigated by X-ray di...

    Ch. Rayssi, F. I. H. Rhouma, J. Dhahri, K. Khirouni, M. Zaidi… in Applied Physics A (2017)

  14. No Access

    Article

    Structural, morphological and optoelectronic properties of porous silicon combined alumina coating film deposited by PLD

    Pulsed laser deposition of Al2O3 onto porous silicon (PS) is shown to provide excellent passivation of multi-crystalline silicon surfaces intended for solar cells applications. Surface passivation and reflectivit...

    M. Salem, I. Massoudi, Munirah A. Almessiere… in Journal of Materials Science: Materials in… (2017)

  15. No Access

    Article

    Study of indium catalyst thickness effect on PECVD-grown silicon nanowires properties

    In this work, we focus on the elaboration at low temperature of metal-catalyzed silicon nanowires (SiNWs) obtained by vapor–liquid–solid (VLS) process. In particular, the effect of the metal thickness on SiNWs...

    M. Yaacoubi Tabassi… in Journal of Materials Science: Materials in… (2017)

  16. No Access

    Article

    Enhanced photoelectrochemical and optical performance of ZnO films tuned by Cr do**

    In this paper, pure and Cr-doped nanostructured Zinc oxide thin films were synthesized by simple and low cost co-precipitation and spin-coating method with Cr concentration varying between 0.5 and 5 at.%. Crys...

    M. Salem, S. Akir, I. Massoudi, Y. Litaiem, M. Gaidi, K. Khirouni in Applied Physics A (2017)

  17. No Access

    Article

    Electrical conductivity analysis and magnetic properties of Pr0.7Ca0.3Mn0.95Co0.05O3 oxide

    The structural, electrical, magnetic and magnetocaloric properties of Pr0.7Ca0.3Mn0.95Co0.05O3 have been studied. The X-ray diffraction refinement results indicate that the sample is single phase and crystallizes...

    A. Selmi, M. Khelifi, H. Rahmouni… in Journal of Materials Science: Materials in… (2017)

  18. No Access

    Article

    Zinc oxide incorporating iron nanoparticles with improved conductance and capacitance properties

    Iron nanoparticles were incorporated into zinc oxide powders by an in situ dispersion method. The products were fully characterized by X-ray diffractometry, diffuse reflectance, FTIR spectrophotometry and comp...

    N. Bouazizi, F. Ajala, M. Khelil, H. Lachheb… in Journal of Materials Science: Materials in… (2016)

  19. No Access

    Article

    Some physical investigations on In2S3:Sn sprayed thin film

    Tin doped In2S3 film was grown by chemical spray pyrolysis method using compressed air as a carrier gas. Structural, morphological, optical and electrical properties of film have been investigated. X-ray diffract...

    M. Kraini, N. Bouguila, A. Bettaibi… in Journal of Materials Science: Materials in… (2016)

  20. No Access

    Article

    Fabrication and Electrical Characterization of the Si/ZnO/ZnO:Al Structure Deposited by RF-Magnetron Sputtering

    The electrical transport properties of the structures of Si(p)/ZnO(i)/ZnO: Al(3%) and Si(p)/PS/ZnO(i)/ZnO: Al(3%) deposited by radio-frequency-magnetron sputtering were investigated and compared by using curre...

    A. Alaya, K. Djessas, L. El Mir, K. Khirouni in Journal of Electronic Materials (2016)

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