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  • 68.55  (2)
  • 42.60 K  (1)
  • 61.70N  (1)
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  • 1
    ISSN: 1432-0630
    Keywords: 61.16D ; 61.70N ; 81.40E ; 61.50
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract We have studied the influence of conventional and rapid thermal treatments at 850°C for 30 min and 10 s, respectively, on the recombination activity of theε9,ε13 (P-type) andε25 (N-type) grain boundaries in silicon. The analyses were made by scanning electron microscopy (SEM) working in the electron beam induced current mode (EBIC) and completed by minority carrier diffusion length measurements. The main result obtained from this study shows the importance of the rapid thermal process as a suitable thermal treatment for polycrystalline materials.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-0630
    Keywords: 42.60 K ; 65
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract Using a pulsed ruby laser (λ=0.69 μm, FWHM=20ns) we have measured the variation of the surface reflectivity during laser irradiation. The melting depth has been measured after repetitive irradiations in order to induce diffusion of dopants to the maximum melt depth. Agreement with thermal model is found. Experimental measurements of time-resolved reflectivity on 1000 Åa-Si onc-Si are explained with the thermal model introducing a low thermal conductivity of 0.002 cal/(cm · s · K) in amorphous silicon.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Applied physics 43 (1987), S. 301-304 
    ISSN: 1432-0630
    Keywords: 68.55 ; 78.30 ; 3.40 Q
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract Ultrathin gate oxides (90–300 Å) have been grown on silicon under dry oxygen using a lamp light heater. The oxidation kinetics is quite different from that expected in conventional furnace oxidation since the process is shown to be diffusion limited. Infrared absorption analysis shows neither shift nor broadening of the Si-O stretching mode, indicating that the rapid oxide is stoichiometric with a good structural order. The electrical characteristics of Al-gate capacitors assessed byC-V andG-V measurements with thickness as parameter shows a good quality for oxide films thinner than 100 Å. For thicknesses higher than this value, cleaning techniques and post-oxidation annealing must be used.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1432-0630
    Keywords: 68.15 ; 68.55 ; 78.65
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract Modifications induced by a pulsed ArF excimer laser at surface of implanted silicon were investigated by a new and simple optical method which consists to follow the evolution of solid reflectivity, at 633 nm wavelength, resulting from the amorphouspolycrystalline (or monocrystalline) transition during the laser melting process. These results, which have been compared to those obtained using time resolved reflectivity experiments have demonstrated the capability of this simple technique to determine the melting threshold of implanted silicon.
    Type of Medium: Electronic Resource
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