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  • 1
    Electronic Resource
    Electronic Resource
    Large-area mosaic diamond films approaching single-crystal quality (1991)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 58 (1991), S. 2485-2487 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The seeding for large-area mosaic diamond films approaching single-crystal quality is described. The technique includes patterned etching of relief structures in Si substrates, deposition from a slurry and orientation of macroscopic diamond seed crystals in the structures, and chemical vapor deposition overgrowth of the diamond seeds to form a continuous film. The film comprises ∼100 μm single crystals, which are separated by low-angle grain boundaries of a few degrees or less. We believe that these low-angle grain boundaries will not affect the electrical properties of majority-carrier devices.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.104851
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  • 2
    Electronic Resource
    Electronic Resource
    Carbon-doped boron nitride cold cathodes (1996)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 68 (1996), S. 1802-1804 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: These results reflect what is believed to be the first observation of electron emission from carbon-doped boron nitride (BN). The n-type BN films were synthesized on n-type polycrystalline diamond on (100)Si using reactive laser ablation. The electron emission current density measured at room temperature shows a power law dependence. Emission currents as high as 60 mA cm−2 have been measured from 150 nm thick n-type BN films on a 24 μm n-type polycrystalline diamond film on a (100)Si substrate. These films show a current density/applied field behavior indicative of negative electron affinity. © 1996 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.116018
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Destruction of Flowers by Birds (1876)
    [s.l.] : Nature Publishing Group
    Nature 14 (1876), S. 10-10 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE enclosed blossoms of the common “wild” cherry (Prunus avium, L.) have been mutilated in a precisely similar manner with those of the blackthorn noticed about a year ago in NATURE (vol. xii. p. 26), the petals and stamens still adhering to the separated limb of the calyx, which has been cut ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/014010c0
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  • 4
    Electronic Resource
    Electronic Resource
    Seasonal Colour in Flowers (1875)
    [s.l.] : Nature Publishing Group
    Nature 13 (1875), S. 150-150 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE “blue of the wild hyacinth” (see vol. xiii. p. 129) is anticipated by the yellow of the primrose, the daffodil, the marsh marigold, the coltsfoot, the lesser celandine (Ranunculus Ficaria), and especially the winter aconite. We may add as contemporaries the buttercup, the yellow deadnettle, ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/013150b0
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  • 5
    Electronic Resource
    Electronic Resource
    Destruction of Flowers by Birds (1875)
    [s.l.] : Nature Publishing Group
    Nature 12 (1875), S. 26-26 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] I ENCLOSE some flowers of the common blackthorn, that I suppose to have been snipped off by birds. The bushes were growing in the outskirts of a wood, in a very sequestered situation (near Dunstable). The upper branches appeared to have chiefly suffered. The grass below was quite conspicuously ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/012026e0
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  • 6
    Electronic Resource
    Electronic Resource
    The supposed Antipathy of Spiders to Chesnut Wood (1874)
    [s.l.] : Nature Publishing Group
    Nature 10 (1874), S. 26-26 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SOME years back, while walking in the cloisters of New College, I remember a resident Fellow (since deceased) telling me that spiders were never known to occur in the woodwork of the roof, and attributing their absence to the chesnut timber, of which it was framed. It has been asserted ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/010026c0
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  • 7
    Electronic Resource
    Electronic Resource
    A New Palmistry (1875)
    [s.l.] : Nature Publishing Group
    Nature 13 (1875), S. 47-47 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE proportions of the fingers in the two hands are not, I think, always the same. With me the index finger of the left hand is considerably longer than the ring ; in the right they are very nearly ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/013047c0
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  • 8
    Electronic Resource
    Electronic Resource
    ASPEN: A Microsimulation Model of the Economy (1998)
    Springer
    Computational economics 12 (1998), S. 223-241 
    Details
    ISSN: 1572-9974
    Keywords: agent-based model ; microsimulation ; genetic algorithm ; monetary policy ; US economy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science , Economics
    Notes: Abstract In this report we present ASPEN, a new agent-based microeconomic simulation model of the U.S. economy being developed at Sandia National Laboratories (SNL). The model is notable because it allows a large number of individual economic agents to be modeled at a high level of detail and with a great degree of freedom. Some of the features of ASPEN are (a) a sophisticated message-passing system which allows individual pairs of agents to communicate with one another, (b) the use of genetic algorithms to simulate certain agents' learning, and (c) a detailed financial sector which includes a banking system and a bond market. Results from runs of the model are also presented.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1008691115079
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