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  • 35.20.Pa  (1)
  • 75.70AK  (1)
  • 1
    Electronic Resource
    Electronic Resource
    The ferromagnetic order and the critical exponentγ of Gd monolayers and thin films on W(110) (1987)
    Springer
    Applied physics 44 (1987), S. 13-18 
    Details
    ISSN: 1432-0630
    Keywords: 75.70AK ; 75.30P ; 76.30Kg
    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 new application of electron-spin resonance to paramagnetic monolayers on well characterized surfaces (LEED, AES) in UHV is described. The high sensitivity of ESR is demonstrated for 10−2 monolayers NO2 adsorbed on Xe/Ag(111), corresponding to ≈1012 detectable molecules. For monolayers of Gd(0001) on W(110) the critical exponentγ of the susceptibility and the ordering temperatureT c are determined by analysing the ESR intensity and resonance field forT→T c + . Both determinations independently give a monolayerT c of app. 271 K. The critical exponentγ changes from 2D to 3D Ising-values for monolayers to thicker films.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00617887
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    High resolution photoabsorption spectroscopy at the carbonK-Edge (1989)
    Springer
    Applied physics 49 (1989), S. 393-397 
    Details
    ISSN: 1432-0630
    Keywords: 07.85.+n ; 33.20.Rm ; 35.20.Pa
    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 plane grating, ellipsoidal mirror, grazing incidence monochromators at the storage ring BESSY, a resolution of ≦ 150meV was achieved for a photon energy of 285 eV. This high energy resolution considerably extends the range of possible studies using core level Spectroscopy. Some of the new opportunities are illustrated at the CK edge by resolving the vibrational fine structure of condensed C2H4 multilayers in the (1s−1, π*) state by means of photoabsorption spectroscopy. For the sake of comparison with other high resolution instruments, the vibrational fine structure of condensed N2 multilayers at the NK edge (∼ 400eV) was also measured, yielding a resolving power of 3000.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00615022
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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