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  • 1
    Electronic Resource
    Electronic Resource
    Temporal evolution of dust grain-charge in a plasma (1999)
    [S.l.] : American Institute of Physics (AIP)
    Physics of Plasmas 6 (1999), S. 1048-1051 
    Details
    ISSN: 1089-7674
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Temporal and spatial evolution of the dust-charge in a low temperature plasma is demonstrated by numerical calculation. It is shown that the dust-charge number at the steady state obtained by the present calculation is in good agreement with that derived from an experiment of a direct current glow discharge. By changing the conditions, such as plasma and dust densities and ion and electron temperatures, their effects on the dust-charge are clarified by the present model. These are useful results for understanding the charging process of micron-sized dust grains in plasmas. © 1999 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.873351
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  • 2
    Electronic Resource
    Electronic Resource
    In situ x-ray topography of silicon carbide during crystal growth by sublimation method (2000)
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 71 (2000), S. 2829-2832 
    Details
    ISSN: 1089-7623
    Source: AIP Digital Archive
    Topics: Physics , Electrical Engineering, Measurement and Control Technology
    Notes: We have developed an instrument for real-time observation of silicon carbide (SiC) crystal during the sublimation growth process by x-ray topography. It is constructed by combining an x-ray goniometer and a crystal-growth chamber. The vertical goniometer consists of three circles, an α circle for the x-ray source, a β circle for the detector, and a cursive-phi circle for the azimuthal rotation of the sample. The growing crystal boule is set at the center of the goniometer glued on a crucible lid. Transmission topographs are taken using an asymmetric (101¯1) reflection with the scattering angle 2θB=β−α from the (0001)-oriented boule. A rotating-anode 18 kW generator with a molybdenum target is employed as the x-ray source. Topographs are observed by a direct imaging system using a charge-coupled device camera. Incident and scattered x-ray beams pass through beryllium windows mounted on the bottom and top flanges of the crystal-growth chamber, respectively. The crucibles are also designed for in situ measurements so that the x-ray beam path is separated from the source materials. The in situ topographs demonstrated the movement of micropipes and other defects during the crystal growth. © 2000 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1150698
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  • 3
    Electronic Resource
    Electronic Resource
    Microboudin structures of piemontite along the Sambagawa metamorphic belt, Japan: implications for lateral variation of differential stress during regional metamorphism (2004)
    Oxford, UK : Blackwell Science Inc
    Journal of metamorphic geology 22 (2004), S. 0 
    Details
    ISSN: 1525-1314
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences
    Notes: Evidence is presented of a lateral variation in differential stress during metamorphism along a regional metamorphic belt on the basis of the proportion of microboudinaged piemontite grains (p) in a quartz matrix in metacherts. It is proposed that p is a practical indicator of relative differential stress. Analysis of 123 metacherts from the 800 km long Sambagawa metamorphic belt, Japan, reveals that p-values range from 〈 0.01 to 0.7 in this region. Most samples from Wakayama in the mid-belt area have p-values of 0.4–0.6, whereas those from western Shikoku have p-values of 〈 0.1. This difference cannot be explained by variations in metamorphic temperature, and is instead attributed to a regional, lateral variation in differential stress during metamorphism.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1525-1314.2004.00507.x
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  • 4
    Electronic Resource
    Electronic Resource
    Supramolecular Assembly of Porphyrins and Monoclonal Antibodies (1995)
    s.l. : American Chemical Society
    Inorganic chemistry 34 (1995), S. 1070-1076 
    Details
    ISSN: 1520-510X
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ic00109a012
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  • 5
    Electronic Resource
    Electronic Resource
    Silver(I)-catalyzed rearrangement of bicyclobutanes. Mechanism. II (1971)
    s.l. : American Chemical Society
    Journal of the American Chemical Society 93 (1971), S. 4611-4613 
    Details
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ja00747a057
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  • 6
    Electronic Resource
    Electronic Resource
    Preparation of superconducting thin films of Bi(Pb)-Sr-Ca-Cu-O by the thermal decomposition method (1991)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 58 (1991), S. 2297-2299 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The thin Bi(Pb)-Sr-Ca-Cu-O film composed of the high Tc phase has been successfully made by the thermal decomposition method using an organic acid salt, which is spread on the MgO(100) substrate by the spin-coat method. A preannealing process before a final annealing is added to the usual film preparation in order to prevent the metallic compounds in the salt from diverging to the atmosphere. The film obtained here has a flatter and smoother surface, and a higher zero-resistivity temperature Tc0 (=107.0 K) than those of the films without the preannealing process. However, the homogeneity of the film seems to be slightly insufficient as the onset critical temperature of the real part of a complex susceptibility is about 3 K larger than Tc0.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.104904
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  • 7
    Electronic Resource
    Electronic Resource
    Inhibitions of three dimensional island formation in InAs films grown on GaAs (111)A surface by molecular beam epitaxy (1996)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 69 (1996), S. 776-778 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: A comparison has been made of the surface morphology of thin InAs films grown on GaAs (001) and (111)A substrates by molecular beam epitaxy using in situ reflection high energy electron diffraction and ex situ atomic force microscopy. InAs growth on (001) surface proceeds via the Stranski-Krastanov mechanism, with three-dimensional island formation beginning between one and two monolayers, but on the (111)A surface there is a two-dimensional mode, independent of detailed growth conditions. This advantage accruing from the use of a novel index substrate provides the opportunity of fabricating a wide range of high quality heterostructures. © 1996 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.117888
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  • 8
    Electronic Resource
    Electronic Resource
    Observation of single-ion magnon bound states in the metamagnet FeI2 (2000)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 87 (2000), S. 5085-5087 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The results of electron spin resonance measurements at high frequencies are reported on the antiferromagnet FeI2 with strong uniaxial anisotropy. We have found new signals whose g value is 16.5 together with the signal with g=7.0 reported before [Fert et al., Solid State Commun. 26, 693 (1978)]. We interpret these electric spin resonance signals as originating from single-ion four magnon and two magnon bound states, respectively. Some of the exchange interaction constants are determined from the analysis of the results. © 2000 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.373256
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  • 9
    Electronic Resource
    Electronic Resource
    Acoustic emission and normal components in an alternating current superconducting coil (1999)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 85 (1999), S. 4250-4255 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The relationship between acoustic emission (AE) signals and normal components that appeared in a superconducting winding in an alternating current superconducting coil cooled in liquid helium was investigated around the time of quench initiation. The coil was impregnated with epoxy to prevent wire motion of the superconducting winding. The operating current of 50 Hz at the coil was ramped from zero to a level that caused quenching of the coil, where external heat energy was not applied to the superconducting winding. AE envelopes were used for the investigation because the envelopes provide higher time resolution and higher dynamic range than the method of using AE counting rates that were conventionally used in monitoring direct current superconducting magnets and coils. AE envelopes appeared immediately after the appearance of normal components in the superconducting winding before and after quench initiation. In the cases before quench initiation, normal components appeared several tens of milliseconds earlier than quench initiation. The AE envelopes appeared momentarily immediately after the normal components. When the quench initiated, AE envelopes drastically increased in accordance with the high rate of increase of the normal components in the superconducting winding. © 1999 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.370338
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  • 10
    Electronic Resource
    Electronic Resource
    A directly water-cooled silicon crystal for high power insertion devices (1995)
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 66 (1995), S. 4482-4486 
    Details
    ISSN: 1089-7623
    Source: AIP Digital Archive
    Topics: Physics , Electrical Engineering, Measurement and Control Technology
    Notes: Directly water-cooled silicon crystals with various types of water channels and cooling fins were fabricated and tested at the 27-pole wiggler beamline BL13 of the Photon Factory. Double-crystal rocking curves for a Si(111) reflection indicated that the performance of a grooved silicon crystal in cooling efficiency is significantly improved by replacing conventional semicircular water channels and cooling fins with flat ones with optimum dimensions. For this design, the width of a Si(111) rocking curve was independent of a wiggler power within 2/3 of the full power. In this power range, a highly stable monochromatized beam with an energy resolution required in x-ray absorption near-edge structure experiments (ΔE/E∼2×10−4) was obtained. © 1995 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1145346
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