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  • 1
    Electronic Resource
    Electronic Resource
    Role of functionality in a cluster growth model (1989)
    s.l. : American Chemical Society
    The @journal of physical chemistry 〈Washington, DC〉 93 (1989), S. 6944-6947 
    Details
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/j100356a013
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  • 2
    Electronic Resource
    Electronic Resource
    Atomic ordering and the surface morphology of thin films (1998)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 73 (1998), S. 208-210 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The formation of ordered phases and associated surface instabilities during the growth of alloy films is studied using a nonequilibrium model. It is shown that considerations of the epitaxial thermodynamic energy as well as dynamical processes at the surface lead to a coupling between the order parameter, the composition and the surface morphology. It is demonstrated that the stability of the growing layer against atomic ordering depends on the growth rate and that even when the surface-selected ordered phase is thermodynamically unstable, the system can spontaneously order. © 1998 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.121757
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  • 3
    Electronic Resource
    Electronic Resource
    Implications of a model for instability during film growth for strained InGaAs and SiGe layers (1999)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 74 (1999), S. 40-42 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: We analyze experiments on the morphology of strained InGaAs and SiGe layers using a nonequilibrium stability analysis. Stability diagrams for growing films as a function of the deposition rate, the temperature and the misfit are calculated and compared to experimental reports. We show that for InGaAs layers, the onset of surface roughening is due to an instability against simultaneous modulations of the surface profile and the composition. For SiGe, the onset of surface roughening cannot be described by an instability, but rather, is due to a nucleation mechanism. © 1999 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.123126
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  • 4
    Electronic Resource
    Electronic Resource
    Tilt order in Langmuir monolayers (1992)
    s.l. : American Chemical Society
    The @journal of physical chemistry 〈Washington, DC〉 96 (1992), S. 1401-1409 
    Details
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/j100182a069
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  • 5
    Electronic Resource
    Electronic Resource
    Internal wetting in three-component polymer blends (1994)
    s.l. : American Chemical Society
    Macromolecules 27 (1994), S. 55-62 
    Details
    ISSN: 1520-5835
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ma00079a010
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  • 6
    Electronic Resource
    Electronic Resource
    Statistical mechanics of a nonlinear stochastic model (1978)
    Springer
    Journal of statistical physics 19 (1978), S. 1-24 
    Details
    ISSN: 1572-9613
    Keywords: Fokker-Planck equation ; cumulant moments ; fluctuations far from equilibrium ; nonlinear ; Gaussian ; non-Gaussian
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract A multivariable Fokker-Planck equation (FPE) is used to investigate the equilibrium and dynamical properties of a nonlinear stochastic model. The model displays a phase transition. The equilibrium distributions are found to be non-Gaussian; the deviation from Gaussian is especially significant near the transition point. To study the nonequilibrium behavior of the model, a self-consistent dynamic mean field (SCDMF) theory is derived and used to transform the FPE to a systematic hierarchy of equations for the cumulant moments of the time-dependent distribution function. These equations are numerically solved for a variety of initial conditions. During the time evolution of the system from an initial unstable equilibrium state to the final equilibrium state, three distinct time stages are found.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01020331
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  • 7
    Electronic Resource
    Electronic Resource
    Finite-size scaling in a microcanonical ensemble (1988)
    Springer
    Journal of statistical physics 53 (1988), S. 795-823 
    Details
    ISSN: 1572-9613
    Keywords: Microcanonical ensemble ; finite-size scaling ; two-dimensional Ising model ; transputers
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The finite-size scaling technique is extended to a microcanonical ensemble. As an application, equilibrium magnetic properties of anL×L square lattice Ising model are computed using the microcanonical ensemble simulation technique of Creutz, and the results are analyzed using the microcanonical ensemble finite-size scaling. The computations were done on the multitransputer system of the Condensed Matter Theory Group at the University of Mainz.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01014226
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  • 8
    Electronic Resource
    Electronic Resource
    Kinetics of Phase Ordering on Curved Surfaces (1999)
    Springer
    Journal of statistical physics 95 (1999), S. 949-979 
    Details
    ISSN: 1572-9613
    Keywords: numerical simulations ; interface description ; kinetics ; phase ordering ; relaxation ; dynamical scaling ; model A ; curved surface ; lipid bilayer ; dominant length scale
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract An interface description and numerical simulations of model A kinetics are used for the first time to investigate the intrasurface kinetics of phase ordering on corrugated surfaces. Geometrical dynamical equations are derived for the domain interfaces. The dynamics is shown to depend strongly on the local Gaussian curvature of the surface, and can be fundamentally different from that in flat systems: dynamical scaling breaks down despite the persistence of the dominant interfacial undulation mode; growth laws are slower than t 1/2 and even logarithmic; a new very-late-stage regime appears characterized by extremely slow interface motion; finally, the zero-temperature fixed point no longer exists, leading to metastable states. Criteria for the existence of the latter are derived and discussed in the context of more complex systems.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1004502500899
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  • 9
    Electronic Resource
    Electronic Resource
    Study of a class of models for self-organization: equilibrium analysis (1983)
    Springer
    Journal of statistical physics 32 (1983), S. 585-614 
    Details
    ISSN: 1572-9613
    Keywords: Self-organization ; nonlinearity ; fluctuations and noise ; double-well potentials ; order-parameter ; phase transitions ; system-size-effects
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract A new class of nonlinear stochastic models is introduced with a view to explore self-organization. The model consists of an assembly of anharmonic oscillators, interacting via a mean field of system size range, in presence of white, Gaussian noise. Its properties are explored in the overdamped regime (Smoluchowski limit). The single oscillator potential is such that for small oscillator displacements it leads to a highly nonlinear force but becomes asymptotically harmonic. The shape of the potential can be a single-or double-well and is controlled by a set of parameters. Through equilibrium statistical mechanical analysis, we study the collective behavior and the nature of phase transition. Much of the analysis is analytic and exact. The treatment is not restricted to the thermodynamic limit so that we are also able to discuss finite size effects in the model.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01008958
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  • 10
    Electronic Resource
    Electronic Resource
    Anisotropic fluctuations in ordered copolymer phases (1996)
    Weinheim : Wiley-Blackwell
    Macromolecular Theory and Simulations 5 (1996), S. 291-298 
    Details
    ISSN: 1022-1344
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: The random phase approximation is reformulated to investigate the anisotropic fluctuations about an ordered polymer phase. This very general method is applied to the lamellar phase of block copolymers. The calculated anisotropic scattering intensity captures the main features observed experimentally including the secondary peaks due to fluctuations with hexagonal symmetry. We also determined the limits of metastability of the lamellar phase as well as the bending and elastic moduli of the lamellae.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mats.1996.040050209
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