ALBERT

All Library Books, journals and Electronic Records Telegrafenberg

X
feed icon rss

Your email was sent successfully. Check your inbox.

An error occurred while sending the email. Please try again.

Proceed reservation?

Export
Filter
  • 74.70.Ad  (1)
  • 78.35  (1)
  • Springer  (2)
  • Springer Science + Business Media
  • American Association for the Advancement of Science (AAAS)
Collection
Keywords
Publisher
  • Springer  (2)
  • Springer Science + Business Media
  • American Association for the Advancement of Science (AAAS)
Years
  • 1
    Electronic Resource
    Electronic Resource
    Generation of acoustic surface waves on GaAs by photoexcitation (1982)
    Springer
    Applied physics 28 (1982), S. 211-214 
    Details
    ISSN: 1432-0630
    Keywords: 78.35 ; 68.30
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract In the experiments reported here we observed the generation of non-thermal, large amplitude acoustic surface waves at GHz frequencies on the surface of a GaAs crystal under intense illumination with 514.5 nm radiation from an Ar+ laser at room temperature. The acoustic surface waves were detected by optical Brillouin spectroscopy.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00618696
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Fermi surface and extended van Hove singularity in the non-cuprate layered perovskite superconductor Sr2RuO4 (1996)
    Springer
    Journal of low temperature physics 105 (1996), S. 1587-1592 
    Details
    ISSN: 1573-7357
    Keywords: 79.60.Bm ; 73.20.Dx ; 74.70.Ad ; 74.80.Dm
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract With high-resolution (≈22 meV) angle-resolved photoemission spectroscopy, the Fermi surface of the first copper free layered-perovskite superconductor, Sr2RuO4, was determined. We observed three bands to cross the Fermi energy in qualitative agreement with LDA band structure calculations; one electron-like surface encircling the $$\overline \Gamma$$ point in the projected Brillouin zone, and two hole-like surfaces around the $$\overline X$$ point. The most striking aspect of the measurements is the observation of an extended van Hove singularity. It is located 17 meV below the Fermi energy and extends around the $$\overline M$$ point for about 0.2 Å−1 along both the $$\overline \Gamma$$ — $$\overline M$$ — $$\overline \Gamma$$ and the $$\overline X$$ — $$\overline M$$ — $$\overline X$$ directions.These observations demonstrate that van Hove singularities near the Fermi surface are a more generic feature of layered oxides, and call for a clarification of their exact role in oxide superconductivity.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00753926
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
Close ⊗
This website uses cookies and the analysis tool Matomo. More information can be found here...