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  • 1
    Electronic Resource
    Electronic Resource
    Coherency and Surface Stress Effects on Phase Stability of Isolated Nanoparticles (2007)
    s.l. ; Stafa-Zurich, Switzerland
    Solid state phenomena Vol. 121-123 (Mar. 2007), p. 979-982 
    Details
    ISSN: 1662-9779
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Physics
    Notes: The coherent phase equilibria of binary nanoparticles, in which three phases can be formed,were examined by accounting for the particle size effect engendered by the surface stress. Consideringthe system geometry exhibiting radial symmetry, coherent phase diagrams could be constructed fordifferent particle sizes. The phase diagrams exhibited several characteristics of phase equilibriaunique to coherent systems. It was found that a positive surface stress results in a radial compressivestress in the particle that is inversely proportional to the particle radius, thereby increasinglystabilizing the phase having a lower molar volume as the particle size decreases
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/02/23/transtech_doi~10.4028%252Fwww.scientific.net%252FSSP.121-123.979.pdf
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  • 2
    Electronic Resource
    Electronic Resource
    Stress Effects on the Sequence of Phase Formation (2000)
    s.l. ; Stafa-Zurich, Switzerland
    Solid state phenomena Vol. 72 (Jan. 2000), p. 185-190 
    Details
    ISSN: 1662-9779
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Physics
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/02/26/transtech_doi~10.4028%252Fwww.scientific.net%252FSSP.72.185.pdf
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  • 3
    Electronic Resource
    Electronic Resource
    On Cyclical Phase Transformations in Driven Alloy Systems: A Mass-Action Kinetics Approach (2007)
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 539-543 (Mar. 2007), p. 3207-3212 
    Details
    ISSN: 1662-9752
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/02/15/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.539-543.3207.pdf
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  • 4
    Electronic Resource
    Electronic Resource
    The thermodynamics of a coherent interface (1989)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 90 (1989), S. 2793-2801 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: A Gibbsian thermodynamic description of a simple coherent interface in a nonhydrostatically stressed, N component, crystalline solid is developed. Interfacial excess properties are defined in a manner consistent with the thermodynamics of nonhydrostatically stressed crystalline solids. This formalism is then used to describe the relationship between the independent thermodynamic variables and the interfacial energy. A result of the crystalline nature of the solid is that the interfacial energy and the interfacial stress are distinct quantities. This difference, along with the presence of a nonhydrostatic stress, results in fundamentally different forms for the standard interfacial thermodynamic relationships. In particular, we show that the Gibbs adsorption isotherm for a coherent spherical misfitting particle in a matrix contains terms which are related to both interfacial and bulk stresses and that these terms can be dominant in certain cases.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.455928
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  • 5
    Electronic Resource
    Electronic Resource
    Technological substitution in mobile communications (1997)
    Bradford : Emerald
    The @journal of business & industrial marketing 12 (1997), S. 383-399 
    Details
    ISSN: 0885-8624
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Economics
    Notes: Asserts that innovation, which plays a key role in product and process improvement in many companies, is the very lifeblood of high technology firms. Considers that because technological change is a function of the economic growth model then technological substitution must be a sub-function of this model. The ability to forecast technological substitution in the long-term macro view enables strategic planners to develop trends for their specific technological application. Begins with a brief statement of the problem, followed by a discussion of the theoretical framework, review of related literature, methodology, findings, discussion of findings and their implications and, finally, recommendations to practitioners.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1108/08858629710190231
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  • 6
    Electronic Resource
    Electronic Resource
    Moisture-Resistant Coatings for Metal (1949)
    s.l. : American Chemical Society
    Industrial & engineering chemistry 41 (1949), S. 749-754 
    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/ie50472a018
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  • 7
    Electronic Resource
    Electronic Resource
    Phase decomposition of a binary thin film on a patterned substrate (2002)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 81 (2002), S. 919-921 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Two-dimensional simulations of phase decomposition in a binary thin film, which is deposited on a patterned substrate, are performed using the Cahn–Hilliard equation. Phase formation, growth, coarsening, and the resulting two-phase microstructure are strongly influenced by the substrate geometry, film composition, and surface effects. Patterning the substrate can result in the formation of self-organized structures of various sizes and spacings and may provide a method for developing monolayers of periodic nanostructures from an initially homogeneous alloy. © 2002 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1497193
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  • 8
    Electronic Resource
    Electronic Resource
    Influence of elastic stress on the growth kinetics of planar thin-film binary diffusion couples (1990)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 68 (1990), S. 1252-1264 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Some possible effects of elastic stress, engendered by epitaxial strain and compositional inhomogeneity, on the kinetics of intermediate phase formation in a planar thin-film binary diffusion couple are identified. A simple quasistatic approximation to the diffusion equation is used to estimate the thickening rate of the intermediate phases when elastic effects are incorporated into both the diffusion equation and the interfacial boundary conditions for diffusion using the thermodynamics of stressed solids. The various growth regimes of the phases are visualized using a simple graphical representation of the phase growth velocities (phase plot). Growth kinetics are shown to depend on both the strain engendered by and the crystallographic orientation of the substrate. It is also proposed that elastic stresses could influence the sequence of phase formation in thin-film systems including such observations as the absence of those phases appearing in the equilibrium phase diagram and the initial disappearance and subsequent reappearance of equilibrium phases.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.346726
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  • 9
    Electronic Resource
    Electronic Resource
    Phase equilibrium and stability of elastically stressed heteroepitaxial thin films (1988)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 64 (1988), S. 1155-1165 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The thermodynamic description and stability of constrained lattice-mismatched heteroepitaxial thin-film systems, in which the lattice parameter in the plane of the film is essentially fixed by that of the substrate, are examined for binary alloys and ternary III-V systems. It is shown that the crystallographic orientation of the substrate and the difference in the lattice parameter between the substrate and the thin films may significantly affect equilibrium phase compositions and volume fraction, and the relative stability of phases in two- and three-phase heteroepitaxial systems. Unlike the elastic effects usually associated with bulk coherent solids, stresses introduced by the substrate can shift the solvus line towards either the single-phase or two-phase regions, the magnitude of the shift depending strongly on both the crystallographic orientation and state of stress. Constrained thin-film heteroepitaxial systems are shown to comprise a special subset of coherent stressed solid systems for which the Gibbs phase rule governing the coexistence of phases is recovered and for which the common tangent construction to appropriate free-energy curves may be used to determine equilibrium phase compositions and stability.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.341878
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  • 10
    Electronic Resource
    Electronic Resource
    Influence of substrate-induced misfit stresses on the miscibility gap in epitaxial layers: Application to III-V alloys (1988)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 64 (1988), S. 5251-5253 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: We have examined the influence of the substrate on the stability with respect to decomposition of thin epitaxial layers. We show that the misfit stresses induced by the substrate can interact strongly with the coherency strains engendered by composition fluctuations. This interaction may lead to changes in the critical temperature of several hundred degrees as compared to predictions that consider the coherency strains alone. Results are applied to a III-V pseudobinary alloy that permit experimental confirmation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.342412
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