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  • Articles: DFG German National Licenses  (5)
  • 1985-1989  (5)
  • 1989  (5)
Source
  • Articles: DFG German National Licenses  (5)
Material
Years
  • 1985-1989  (5)
Year
Keywords
  • 1
    Electronic Resource
    Electronic Resource
    Aluminum selective area deposition on Si using diethylaluminumchloride (1989)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 55 (1989), S. 741-743 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Aluminum deposition on Si was studied using diethylaluminumchloride (DEAlCl) as a new Al chemical vapor deposition source. Selective area deposition was successfully achieved at substrate temperatures of 313–380 °C. The deposition rate was higher than 370 A(ring)/min. Reflectance and resistivity of the deposited films were comparable to those of the evaporated ones. Decomposition experiments suggest that DEAlCl catalytically decomposes on the Al surface, which would explain the high selectivity observed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.101792
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    In situ measurement of micromass of the fuel in a cryogenic foam target for laser fusion research (1989)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 55 (1989), S. 2600-2602 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: We have presented a novel in situ method which is simple and sensitive, to measure the micromass of the fuel layer in a cryogenic foam target. In this method, a foam shell is mounted on a flexible polyester fiber 7 μm in diameter and 800 μm in length. The fiber is suspended with a stalk which is mechanically vibrated at any given frequency. The resonant frequency of the elastic vibration of a foam-fiber system is measured before and after fuel loading. The mass of the fuel can be determined from the change in the resonance frequency in the range from submicrograms to submilligrams. The resolution of this system, which is limited by the Q factor of the foam-fiber system, is better than 0.2 μg corresponding to the measurement accuracy of 0.1%.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.101991
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Gain measurements of the C VI 3d–2p transition (18.2 nm) from the wall-confined carbon plasmas produced by a CO2 laser (1989)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 55 (1989), S. 223-225 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: We propose a 1-cm-long cylinder-type target as the gain medium of a recombination-pumped extreme-ultraviolet (XUV) laser. The gain medium plasma was pumped by a long-pulse CO2 laser (400 J energy in 50 ns pulse duration). At the C VI 3d–2p transition (18.2 nm) we obtained the gain-length product up to 2.4, which was estimated from the line intensity ratio of the axial to transverse directions. The electron temperature of 54 eV and density of 1.2×1019 cm−3 near the cylinder wall measured using soft-x-ray spectroscopy satisfied the condition for the generation of the population inversion between n=3 and 2 levels of the C VI ions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.101914
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    Paper (German National Licenses)
    Fulltext
  • 4
    Electronic Resource
    Electronic Resource
    A new indolic antiauxin, α-(5,7-dichloroindole-3-)isobutyric acid: its chemical synthesis and biological activity (1989)
    Springer
    Cellular and molecular life sciences 45 (1989), S. 400-402 
    Details
    ISSN: 1420-9071
    Keywords: α-(5,7-Dichloroindole-3-)isobutyric acid ; antiauxin ; inhibition ofAvena coleoptile elongation ; stimulation of root growth of rice seedlings
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary A new potent antiauxin, α-(5,7-dichloroindole-3-)isobutyric acid has been synthesized and shown to inhibit auxin-mediated elongation ofAvena coleoptiles and to stimulate root growth of rice seedlings. Its activity is stronger than α-(p-chlorophenoxy)isobutyric acid and is comparable to that of 2,3,5-triiodobenzoic acid, which are typical antiauxins.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01957494
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Cerebrovascular response to elevation of ventricular pressure (1989)
    Springer
    Acta neurochirurgica 98 (1989), S. 184-188 
    Details
    ISSN: 0942-0940
    Keywords: Autoregulation: pial vessels ; ventricular fluid pressure
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The behaviour of Pial vessels to levels of CSF-pressure between 10 and 100 mmHg induced by vetricular infusion of mock CSF, was observed in 6 cats under barbiturate and N2O anaesthesia, using the cranial window technique and videoangiometry. Supratentorial pressure (STP) equaled infratentorial pressure in the cisterna magna (CMP) throughou. No changes in pial arterial calibres were noted up to a CMP of 13 mmHg (i.e. a cerebral perfusion pressure (CPP) of 100 mmHg). Further increase of CMP to 45 mmHg induced significant arterial dilatation of 40 ± 3.4%. With a further rise of ventricular fluid pressure (VFP) no marked further arterial dilatation occurred. Dilatation of arteries up to 100 um resting diameter and arteries between 100 and 250 um resting diameter and arteries between 100 and 250 um was not significantly different. When CPP approached 40 mmHg, arteries were still 47 ± 3.6% dilated. Pial venous calibre did not vary by more than 20% during elevation of VFP. At CPP 47 mmHg, small and large veins were dilated by 14%. Single venous segments were compressed by crossing pial arteries and caused upstream venous congestion and distension.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01407346
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    Paper (German National Licenses)
    Fulltext
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