Browsing by Author "Ismail, Raid A. [رائد عبدالوهاب إِسماعيل]"

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    • Analysis Of Al Diffusion In Molten Germanium Induced By Pulsed Nd: Yag Laser Using Sims Technique 

      Ismail, Raid A. [رائد عبدالوهاب إِسماعيل]; Moussa, Ali M. ( Qatar University , 1996 , Article)
      In this work the volume diffusion coefficients and profile distribution of Al impurities in molten germanium have been measured using secondary-iron mass spectroscopy (SIMS) technique. Diffusion is achieved with aid of ...

    • Experimental Investigation of the N-Pbs/P-Si Heterojunction Band Lineup with I-V and C-V Measurements 

      Ismail, Raid A. [رائد عبدالوهاب إِسماعيل] ( Qatar University , 2005 , Article)
      In this paper we present experimental investigation of band lineup of near ideal PbS/Si heterojunction diode using I-V and C-V measurements. The C-V measurements show that the fabricated diodes were abrupt type, and the ...

    • p-cds/n-Si Anisotype Heterojunction solar cells wih Efficiency of 6.4% 

      Ismail, Raid A. [رائد عبدالوهاب إِسماعيل]; Al Samarai, Abdul Majeed E. [عبد المجيد عيادة السامرائي]; Sultan, Omar A. A. [عمر عبد الستار عبد الرزاق سلطان] ( Qatar University , 2005 , Article)
      In the present paper, p-CdS/n-Si heterojunction solar cells are prepared for the first time by the spray pyrolysis technique. Using such low-cost method, cells with 6.4'/o AM1 conversion efficiency ina O.ZZ fill factor ...