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  • 1
    Electronic Resource
    Electronic Resource
    Carbon monoxide-hydrogen-water: reduction of anthracene, dihydroanthracene, and quinoline (1978)
    s.l. : American Chemical Society
    The @journal of organic chemistry 43 (1978), S. 2991-2994 
    Details
    ISSN: 1520-6904
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/jo00409a012
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  • 2
    Electronic Resource
    Electronic Resource
    Rate study on the ozonolysis of acetylenes (1975)
    s.l. : American Chemical Society
    The @journal of organic chemistry 40 (1975), S. 2675-2678 
    Details
    ISSN: 1520-6904
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/jo00906a022
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  • 3
    Electronic Resource
    Electronic Resource
    Radiation effects in superconducting NbN/AlN multilayer films (1990)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 68 (1990), S. 6327-6330 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The results of neutron irradiation up to a fluence of 1023 m−2 (E〉0.1 MeV) are reported for sputtered NbN/AlN multilayer films. The superconducting properties change only slightly with neutron fluence. For the best multilayers, which exhibit critical current densities Jc of 〉108 A/m2 at 4.2 K and 20 T, the high-field data show virtually no change in Jc. It is therefore proved experimentally that NbN/AlN multilayers, which exhibit higher Jc than single NbN thin films, exhibit the same extremely radiation-hard, high-field behavior which was reported previously for such NbN films.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.346876
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  • 4
    Electronic Resource
    Electronic Resource
    Grain boundary structures in La2/3Ca1/3MnO3 thin films (2000)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 87 (2000), S. 6758-6760 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: As with many other oxide-based compounds that exhibit electronic behavior, structural defects have a strong influence on the electronic properties of the CMR manganites. In this work, we have studied the effect of grain boundaries on the transport properties and on the local orientation of magnetization. Thin films of the perovskite-related La2/3Ca1/3MnO3 compound were deposited onto bicrystal substrates using pulsed laser deposition. Transport measurements showed an enhancement of magnetoresistance across the grain boundary. The structure of the boundary was evaluated by electron microscopy. In contrast with the highly meandering boundaries typically observed in bicrystals of high-temperature superconductors, the boundaries in these films are relatively straight and well defined. However, magneto-optical imaging showed that the local magnetization was oriented out of the plane at the grain boundary while it was oriented within the plane in the grains on either side. This coordinated reorientation of local magnetization near the grain boundary leads to enhanced magnetoresistance across the boundary in low fields. © 2000 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.372832
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  • 5
    Electronic Resource
    Electronic Resource
    Observation of the structural phase transition in manganite films by magneto-optical imaging (2000)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 87 (2000), S. 5828-5830 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: A high-resolution magneto-optical imaging technique is used to reveal the formation of twins occurring during a martensitic phase transition at ∼105 K in La2/3Ca1/3MnO3 (LCMO) films grown on SrTiO3 (STO) substrates. The magnetic contrast arises due to the magneto-elastic tilts of the Mn- magnetic moments in the twins. Different magnetic structures are found in LCMO films grown on MgO, NGO, and LAO substrates showing the importance of the substrate material for the manganite film properties. © 2000 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.372536
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  • 6
    Electronic Resource
    Electronic Resource
    Identification of the common electrically detected magnetic resonance signal from a Si diode (1995)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 78 (1995), S. 4895-4898 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Structure in the electrically detected magnetic resonance signal from a common type of Si diode has been resolved and measured for different orientations of the magnetic field in the (111) plane. The center is found to have C3v symmetry with Δg(parallel)(approximately-greater-than)0 and Δg⊥≈0. It is proposed that the signal is due to a broken bond, or combination of colinear broken bonds, in a vacancy cluster which acts as a recombination center. The most likely cluster is the divacancy which has captured an electron in the antibonding state formed from the most distant broken bonds and a hole in a bonding state associated with the divacancy. © 1995 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.360700
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  • 7
    Electronic Resource
    Electronic Resource
    In situ x-ray diffraction study of CoSi2 formation during annealing of a Co/Ti bilayer on Si(100) (1995)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 77 (1995), S. 6730-6732 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: X-ray diffraction was performed in situ during annealing of a Co/Ti/Si(001) multilayer, which produced an epitaxial CoSi2 layer. The results indicate that the Ti layer did not stay intact during the reaction, and thus could not act like a membrane, moderating Co/Si interdiffusion. Strongly textured phases (M) formed prior to CoSi2 nucleation, and was unobservable upon completion of the anneal. Nucleation and growth of CoSi2 on Si(001) took place in the presence of M, new Co-Ti-(O) phases that were located at the metal/Si interface, and thus M might play an important role in the perfection of the silicide. © 1995 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.359091
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  • 8
    Electronic Resource
    Electronic Resource
    Detailed investigation of a nonradiative recombination center in Si by electrically detected magnetic resonance (1995)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 77 (1995), S. 5201-5207 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The variation of the electrically detected magnetic-resonance signal from a Si diode has been studied in detail as a function of forward bias voltage in the temperature range 203–314 K. The results are explained in terms of the model of a weakly exchange-coupled pair of carriers in the ground and excited states respectively of a nonradiative recombination center. It was found that only a small proportion of the recombination centers in the space-charge region was paramagnetic and therefore contributed to the signal. The detailed agreement between theory and experiment enabled the time constants of the processes involved in those recombination centers to be determined as well as their spin-lattice relaxation time. More important, an energy level of the paramagnetic recombination center has been determined to be located 0.36 eV below the conduction-band edge. It is significant that the magnetic-resonance spectrum and the energy level of a recombination center have been determined in the same experiment. © 1995 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.359268
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  • 9
    Electronic Resource
    Electronic Resource
    Controlled growth of bulk bicrystals and the investigation of microstructure-property relations of YBa2Cu3Ox grain boundaries (1996)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 69 (1996), S. 3746-3748 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: A new method to prepare bicrystals with well defined planar interfaces in YBa2Cu3Ox (Y123) has been developed. The bicrystal misorientation is controlled by dual seeding using Nd1+xBa2−xCu3Oy single crystals. The grain boundary plane orientation is influenced by the positioning of the seeds and by control of the temperature gradient. The macro-, meso-, and microscopic planarity of the grain boundaries has been established by optical and electron microscopy. In addition, a difference in critical current density between the low (≤10°) and the high (≥20°) misorientation angle regime of nearly two orders of magnitude has been established in a series of [001]-tilt grain boundaries. Thus, this type of grain boundary may allow a less ambiguous interpretation of the relationship between microstructure and transport properties than is possible from bicrystal thin film boundaries by eliminating the potential variations in properties associated with a varying grain boundary plane. © 1996 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.117209
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  • 10
    Electronic Resource
    Electronic Resource
    The effects of carbon on TlBa2Ca2Cu3Ox phase formation in the TlF–Ba2Ca2Cu3Oz system (1996)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 69 (1996), S. 3420-3422 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The effects of carbon on TlBa2Ca2Cu3Ox phase formation in the TlF–Ba2Ca2Cu3Oz system were investigated by varying the carbon contents in Ba2Ca2Cu3Oz precursor powders that were mixed with TlF and reacted to form the superconducting phase. It was found that carbon induced Tl2Ba2Ca2Cu3Oy phase formation resulting in superlattices formed by c-axis intergrowths between TlBa2Ca2Cu3Ox and Tl2Ba2Ca2Cu3Oy. The superlattices were highly regular and uniform throughout the samples. While TlBa2Ca2Cu3Ox was the main phase at low carbon content (0.231 wt %), Tl2Ba2Ca2Cu3Oy became the dominant phase at high carbon content (0.472 wt %) even with a 1:2:2:3 (Tl:Ba:Ca:Cu) starting composition. © 1996 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.117279
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