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  • 1
    Electronic Resource
    Electronic Resource
    Electrochemical and structural characterization of Ni-Fe thin films (1989)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 65 (1989), S. 2090-2094 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The results of an investigation of the relationship between potentiodynamic anodic polarization behavior, composition, and microstructure for both sputtered and electroplated Ni-Fe thin-film alloys is described. The presence of high-temperature phases established by sputter deposition correlate directly with the compositional dependence of the passive current density. These results correlate exceptionally well with previous studies on the corrosion of Ni-Fe films under simulated atmospheric conditions. Electroplated films of the permalloy composition show significantly different passive behavior, as compared to sputter deposited films. Possible explanations for this anomaly are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.342855
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  • 2
    Electronic Resource
    Electronic Resource
    Dimensional effects in Ni-Cr multilayered thin films (1987)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 61 (1987), S. 4064-4066 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The dimensionality of Ni-Cr multilayered structures (MLS) was studied from the variation of the temperature dependence of the saturation magnetization Ms with the Ni layer thickness. Since NiCr alloys containing more than 12% Cr are nonmagnetic the thickness of the interfaces and pure Ni regions can be obtained from the measured value of Ms by modeling the MLS and determining the thickness of the pure Ni regions. Assuming that the pure Ni regions are isolated sufficiently to behave independently, comparison was made with several theories. It was found that the observed behavior is similar to that described by the theory of Davis and Keffer with a surface anisotropy energy of about 0.1 that of the exchange energy. This theory uses nonperiodic boundary conditions and assumes a surface anisotropy field which causes the partial pinning of the surface spins. The magnetization decrease calculated with this theory falls off less rapidly with film thickness than other theories. At high fields the magnetization and Curie temperatures of the MLS having 20 A(ring) or less of Ni is found to be field dependent. This is indicative that a considerable amount of the magnetic moments arise from itinerant d electrons.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.338528
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  • 3
    Electronic Resource
    Electronic Resource
    Wiggler x-ray beamlines at Synchrotron Radiation Research Center : Proceedings of the 5th international conference on synchrotron radiation instrumentation (1995)
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 66 (1995), S. 1812-1814 
    Details
    ISSN: 1089-7623
    Source: AIP Digital Archive
    Topics: Physics , Electrical Engineering, Measurement and Control Technology
    Notes: We have designed three x-ray beamlines extracted out from one 25-pole 1.8 T wiggler insertion device. This wiggler insertion device at the Synchrotron Radiation Research Center 1.3 GeV storage ring will increase the usable x-ray photons with an energy up to 15 keV. In order to satisfy the big x-ray user community at Taiwan, we need to have at least three different types of beamlines to cover various kinds of experiments. Due to limitation of radiation source and space, we have specially designed three x-ray beam lines sharing the 13 mrad horizontal radiation output from the insertion device. The design and construction of these three beamlines will be described in this article. © 1995 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1145791
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  • 4
    Electronic Resource
    Electronic Resource
    Polycrystalline GaInAs/AlInAs films for photoconductive detectors (1995)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 67 (1995), S. 1588-1590 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: We show that thin Al0.48In0.52As layers in Ga0.47In0.53As alloy films, can be used to trap free carriers, and produce high resistivity materials suitable for 1.55 μm photoconductive detectors. © 1995 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.114948
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  • 5
    Electronic Resource
    Electronic Resource
    Ferromagnetic resonance in Co-Cr multilayer films (1987)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 61 (1987), S. 4290-4292 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Magnetic properties of multilayered Co/Cr films have been investigated by ferromagnetic resonance (FMR) and compared to magnetization studies carried out on a SQUID magnetometer. The interesting feature observed in most of the spectra was that along with an intense resonance corresponding to the uniform mode, several weak but well-defined peaks were observed at higher magnetic fields. The angular and temperature variations of the line positions indicates that these are due to cobalt atoms in the interface. In conjunction with static magnetization, the FMR studies of the main resonance lead us to believe that there may be long-range magnetic effects which result in additional anisotropy fields.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.338448
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  • 6
    Electronic Resource
    Electronic Resource
    Enhancement of Coulomb blockade and tunability by multidot coupling in a silicon-on-insulator-based single-electron transistor (1999)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 75 (1999), S. 566-568 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: A dual-gate-controlled single-electron transistor with coupled dot geometry has been fabricated on a silicon-on-insulator structure. Coupled dots are defined by tunable gates which are designed to separately control the tunneling potential barriers to compensate for disorder due to size fluctuation in quantum dots. The Coulomb-blockade phenomena observed in linear and nonlinear transport regimes were found to be enhanced by the multidot coupling. The Coulomb staircase (nonlinear effect) appears more clearly with the increasing number of coupled dots, indicating definite suppression of the inevitable cotunneling process. In the linear regime, the frequency of Coulomb oscillation was able to be tuned by changing the interdot coupling strength. These results indicate that enhancement of the Coulomb blockade and tunability can be achieved through replacing the traditional single dot by gate-controlled multidots in future single-electron devices. © 1999 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.124443
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  • 7
    Electronic Resource
    Electronic Resource
    Rubbing-free, vertically aligned nematic liquid crystal display controlled by in-plane field (1997)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 71 (1997), S. 2851-2853 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: We fabricated a homeotropically aligned nematic liquid crystal display with positive dielectric anisotropy, whose on and off states are controlled by in-plane field. The rubbing-free device, dark in voltage-off state, reveals bright uniformity in all directions due to the dual domainlike director configuration in the voltage-on state. The electro-optic characteristics of one prototype with excellent viewing angles are reported herein. © 1997 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.120153
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  • 8
    Electronic Resource
    Electronic Resource
    Phase transitions and critical dynamics in (C18H37NH3)2SnCl6 (1996)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 104 (1996), S. 6964-6966 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: Phase transitions in the layer structured (C18H37NH3)2SnCl6 were studied using 1H NMR. The spin-lattice relaxation rate reflects the critical slowing down around the order–disorder phase transition temperature, and is compatible with the three-dimensional Ising model. A critical slowing down is also observed at the conformational transition in the second moment measurement, presumably for the first time. © 1996 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.471413
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  • 9
    Electronic Resource
    Electronic Resource
    Use of Supercritical Fluid Chromatography for Obtaining Mass Transfer Coefficients in Fluid-Solid Systems at Supercritical Conditions (1995)
    s.l. : American Chemical Society
    Industrial & engineering chemistry research 34 (1995), S. 906-914 
    Details
    ISSN: 1520-5045
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ie00042a025
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  • 10
    Electronic Resource
    Electronic Resource
    Identification of the series-specific random amplified polymorphic DNA markers of Viola species (1998)
    Oxford, UK : Blackwell Publishing Ltd
    Plant breeding 117 (1998), S. 0 
    Details
    ISSN: 1439-0523
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Although many Viola species are grown as ornamentals, no information on molecular markers is available for the classification and breeding of Viola. Random amplified polymorphic DNA (RAPD) analysis was applied to identify series-specific molecular markers from the series Pinnatae, Chinensis, and Variegatae of Viola species in the subsection Patellares. We report eight RAPD markers which can be used to distinguish three different series of Viola species based on morphological characters. The eight RAPD markers we identified could be useful to classify Viola species and to assist the hybrid breeding of new varieties.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1439-0523.1998.tb01945.x
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