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  • 11
    Electronic Resource
    Electronic Resource
    Complex kinetics of systems with multiple stationary states at equilibrium (1990)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 93 (1990), S. 1613-1625 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: We consider chemical reactions which at equilibrium have multiple stationary states due to nonidealities of chemical species. When such reactions are included in a simple reaction mechanism open to mass flow, without autocatalysis or feedback steps, there may occur complex dynamics such as relaxation oscillations, as reported earlier for regular solutions. Here we consider both regular solution and ionic species (Debye–Hückel nonideality), show that chemical oscillations may occur arbitrarily close to chemical equilibrium, and trace the topological structure of the complex dynamics of relaxation oscillations, sustained oscillations, stable focus, and stable nodes to the multiplicity of equilibrium states, for stated constraints. Relaxation oscillations occur around an unstable stationary state which, on approach to equilibrium, connects to an unstable equilibrium state. Thus, there is no bifurcation to oscillations on removing the systems from equilibrium. Neither is there a region where linear irreversible thermodynamics is valid close to equilibrium. Earlier work on ionic systems is found to be in error.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.459089
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  • 12
    Electronic Resource
    Electronic Resource
    Wall reflections of solitary waves in Marangoni–Bénard convection (1993)
    New York, NY : American Institute of Physics (AIP)
    Physics of Fluids 5 (1993), S. 3162-3166 
    Details
    ISSN: 1089-7666
    Source: AIP Digital Archive
    Topics: Physics
    Notes: In Marangoni–Bénard convection with mass transfer from the air to the liquid, an experimental exploration of reflections of solitary waves at walls has been carried out. Mach stems are observed for small enough incident angles. Upon increasing the incident angle the stem disappears thus leading to regular reflections with, however, the angle of reflection being generally larger than the incident angle.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.858672
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  • 13
    Electronic Resource
    Electronic Resource
    Stimulated emission from a Hg1−xCdxTe epilayer grown by molecular beam epitaxy (1989)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 55 (1989), S. 1285-1286 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: We report on the observation of stimulated emission from a (100) oriented Hg1−xCdxTe epilayer grown by molecular beam epitaxy. The cleaved epilayers were cooled and optically pumped by a Nd:YAG laser and were found to lase continuously up to 40 K.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.101633
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  • 14
    Electronic Resource
    Electronic Resource
    Molecular beam epitaxial growth and characterization of 2-in.-diam Hg1−xCdxTe films on GaAs (100) substrates (1988)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 52 (1988), S. 978-980 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Hg1−xCdxTe films with 2 in. diameters have been grown by molecular beam epitaxy on GaAs (100) substrates. These films were grown in both the (100) and (∼(111)) B crystallographic orientations and in both conduction types. They were characterized by in situ electron diffraction, infrared absorption, and van der Pauw dc Hall measurements. Their surfaces were shiny and mirrorlike from center to edge. The Cd concentrations (x) of these films were very uniform, exhibiting standard deviations (Δx) as low as 0.7% of the mean (x¯). Their thicknesses also were uniform within 0.6%. These films were completely uniform in their conduction types; that is, the n-type films were entirely n type, and likewise for the p-type films. The Hall mobilities of these films show them to be of high quality, with values as high as 6.7×102 cm2 V−1 s−1 for the p-type (x=0.22) and 1.8×105 cm2 V−1 s−1 for the n-type films (x=0.21). These results represent an important achievement toward the future of infrared detector technology.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.99247
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  • 15
    Electronic Resource
    Electronic Resource
    Stabilization of cubic CrN0.6 in CrN0.6/TiN superlattices (1998)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 72 (1998), S. 987-989 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: A transmission electron microscopy study of CrN0.6/TiN superlattices deposited by reactive magnetron sputtering is described. The stable structure of CrN0.60 is hexagonal, but high resolution transmission electron microscopy images of the superlattices showed that CrN0.6 layers ≤10 nm thick were cubic, while 50 nm thick layers were hexagonal. That is, the cubic CrN structure was "epitaxially stabilized" by the cubic TiN, with which there is a 2.4% lattice mismatch. The superlattices with hexagonal CrN0.6 showed high strains and defect densities within (approximate)5 nm of each interface, presumably due to the 5.4% volume decrease associated with the cubic-to-hexagonal transformation. The effect of this strain on the transformation is discussed. © 1998 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.120621
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  • 16
    Electronic Resource
    Electronic Resource
    Spreading of a void along a singular surface during electromigration: A failure mode (1997)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 70 (1997), S. 194-196 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Previous treatments of void shape evolution during electromigration have been restricted to nonsingular void surfaces. We consider the lateral spreading of a void when its leading surface is a singular facet. The facet may nucleate at the leading surface of a void migrating within one grain or may develop when a singular surface is exposed by impingement of the void at a (transverse) grain boundary. Advance of the facet requires a source of steps that we assume to be absent; void spreading results. A stationary void shape is possible when a dimensionless parameter is less than a critical value (estimated), whereas above this value the void spreads indefinitely. © 1997 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.118353
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  • 17
    Electronic Resource
    Electronic Resource
    Growth and characterization of epitaxial Mo/NbN superlattices (1996)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 68 (1996), S. 2198-2200 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Epitaxial Mo/NbN superlattices were grown on MgO(001) substrates by reactive dc magnetron sputtering. The epitaxial relationship between the bcc metal and the NaCl (B1)-structure compound is Mo(001) (parallel)NbN(001), Mo[110](parallel)NbN[010], and the lattice mismatch is 1.4% given the 45° rotation about the (001). Cross-sectional transmission electron microscope images show well-defined and relatively planar layers. High angle x-ray diffraction results show up to 25 superlattice reflections extending over ≈30° in 2θ. Kinematical model fits to the x-ray diffraction data suggest that the interface widths were only ≈0.3 nm, presumably because of the immiscibility of Mo and NbN. Initial nanoindentation results indicate hardness values of ≈28 GPa, about 3 times the rule-of-mixtures value. © 1996 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.116011
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  • 18
    Electronic Resource
    Electronic Resource
    Diamond tips and nanometer-scale mechanical polishing
    Amsterdam : Elsevier
    Applied Surface Science 70-71 (1993), S. 407-412 
    Details
    ISSN: 0169-4332
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Physics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0169-4332(93)90466-O
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  • 19
    Electronic Resource
    Electronic Resource
    Solitary waves driven by Marangoni stresses
    Amsterdam : Elsevier
    Advances in Space Research 13 (1993), S. 109-117 
    Details
    ISSN: 0273-1177
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0273-1177(93)90361-E
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  • 20
    Electronic Resource
    Electronic Resource
    Mechanical properties and microstructures of polycrystalline ceramic/metal superlattices: TiN/Ni and TiN/Ni"0"."9Cr"0"."1
    Amsterdam : Elsevier
    Surface & Coatings Technology 61 (1993), S. 251-256 
    Details
    ISSN: 0257-8972
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0257-8972(93)90234-F
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