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  • 1
    Electronic Resource
    Electronic Resource
    Evidence for Soliton Dynamics in Alkali Adlayers on Transition Metals (1991)
    s.l. ; Stafa-Zurich, Switzerland
    Solid state phenomena Vol. 12 (Jan. 1991), p. 1-16 
    Details
    ISSN: 1662-9779
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Physics
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/02/23/transtech_doi~10.4028%252Fwww.scientific.net%252FSSP.12.1.pdf
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  • 2
    Electronic Resource
    Electronic Resource
    Verification of CuInSe2 density of states features by reflection electron energy loss spectroscopy (1988)
    Springer
    Applied physics 46 (1988), S. 137-143 
    Details
    ISSN: 1432-0630
    Keywords: 71.20 ; 81.60 ; (68.00, 71.45, 78.20)
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract Reflection electron energy loss measurements of CuInSe2 single crystals are reported and when possible, the losses are compared with former results by Kazmerski and Jamjoum et al. Their identification of the transitions is confirmed and refined by spectrum simulations with total and partial densities of states from band structure calculations of Jaffe, Bendt, Zunger, and Bullett. New conduction-band maxima at energies not covered by the available calculations, are proposed and their consistency with the experimental loss energies is shown by another simulation with Lorentzian density peaks.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00615922
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  • 3
    Electronic Resource
    Electronic Resource
    Coverage dependence of field emission flicker noise due to lithium adsorbed on the W(112) surface (1990)
    Springer
    Applied physics 50 (1990), S. 95-100 
    Details
    ISSN: 1432-0630
    Keywords: 05.40-j ; 82.65.-i ; 68.90.+g ; 73.90.+f
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract Spectral density functions of field emission current fluctuations were investigated by a probe hole technique for lithium adsorbates on the tungsten (112) surface plane in the sub- to double monolayer range. The dependence of the spectral density on the lithium surface concentration obtained slightly above room temperature, shows maxima and minima. A correspondence is found between the extrema of the coverage dependent spectral density, features of the work function, and the film structures occurring with different adparticle densities. Commensurate lithium structures are clearly manifest in the noise power.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00323958
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  • 4
    Electronic Resource
    Electronic Resource
    Field-emission flicker noise from potassium adsorbed on W(111) bounded and unbounded surface diffusion by spectral analysis (1986)
    Springer
    Applied physics 40 (1986), S. 79-84 
    Details
    ISSN: 1432-0630
    Keywords: 05.40−j ; 82.65.−i ; 68.90.+g ; 73.90.+f
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract The spectral density functionsW(f) of the field-emission flicker noise of potassium adsorbed on the tungsten (111) region were determined. The analysis in terms of the Gesley-Swanson or the Timm and Van der Ziel model gives surface diffusion energies between 0.54 and 0.31 eV for (average) coverages from 0.15 to 0.38 and diffusion prefactors between 3×10−1 and 10−4 cm2/s. The fitting procedures are successful for both bounded and unbounded diffusion though in opposite order of temperature, as expected.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00616481
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  • 5
    Electronic Resource
    Electronic Resource
    Influence of surface roughness on adsorbate mobility (1988)
    Springer
    Applied physics 46 (1988), S. 145-151 
    Details
    ISSN: 1432-0630
    Keywords: 05.40-j ; 82.65.-i ; 68.90.+g ; 83.90.+f
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract Field-emission fluctuations of the coadsorption system W(112)Ni-K were investigated by the cross-correlation technique in two perpendicular crystallographic directions at various temperatures. In- and cross-channel movements show a considerable reduction ofτ max which is the time delay corresponding to the cross-correlation function maximum with increasing Ni coverage at a constant potassium probe concentration.τ max, its activation energy and the “signal velocity” are discussed in terms of the well-known W(112)Ni surface structure.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00615923
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  • 6
    Electronic Resource
    Electronic Resource
    Die Temperaturabhängigkeit des Funkelrauschens Bei feldemission (1964)
    Springer
    Czechoslovak journal of physics 14 (1964), S. 256-266 
    Details
    ISSN: 1572-9486
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The noise of the emission current as a consequence of the flicker effect was investigated in ultra-high vacuum. The measurements were made in an autoemission electron microscope constructed after E. W. Müller. The paper gives some of the results concerning the temperature dependence of the spectral distribution and of the mean square value of the fluctuation current from tungsten cathodes at the adsorption of residual gases and barium. The results of the measurements are compared with the results derived on the basis of a theoretical model which is described in greater detail in another paper. The interpretation of the observed activation energies of noise is discussed by means of surface migration.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01689042
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  • 7
    Electronic Resource
    Electronic Resource
    Surface diffusion of potassium on theW (112) plane (1987)
    Springer
    The European physical journal 69 (1987), S. 319-326 
    Details
    ISSN: 1434-6036
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Dependent on temperature and coverage, numerous spectral density functionsW(f) of the field-emission flicker noise of potassium adsorbed on the tungsten (112) plane were determined. The analysis in terms of the Timm and van der Ziel model gives surface diffusion energies between 0.55 and 0.83 eV for (average) coverages from 0.3 to 1.0 and diffusion coefficients between 2×10−10 and 3×10−9 cm2/s at 400 K. The results are compared with those obtained previously for the tungsten (111) region. Some conclusions as to the mechanism of diffusion and the manifestation of phase transitions between commensurate and incommensurate adlayer structures are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01307291
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