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  • 1
    Electronic Resource
    Electronic Resource
    Topographic study of sputter-deposited film with different process parameters (2001)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 89 (2001), S. 7825-7832 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: In this study, molecular dynamics simulation is employed to investigate the surface topography of thin films produced by the sputtering process for different parameters such as substrate temperature, incident energy, and incident angle. Interface width is used to quantify the quality of the deposited film. The Morse potential is used to model the atomic interaction between atoms. From the results of this study, it is found that for lower substrate temperature, lower incident energy, and larger incident angle, the growing film structure tends toward a three-dimensional columnar structure, and a rougher film is produced. Conversely, for higher substrate temperature, higher incident energy, and smaller incident angle, the growing film structure tends toward a two-dimensional (Frank–van der Merwe) quasi-layer-by-layer structure, and a smoother film is produced. Finally, average surface kinetic energy is found to be an important factor in determining the surface properties produced in the process. Generally, the produced film is smoother when the average surface kinetic energy is larger. © 2001 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1371007
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  • 2
    Electronic Resource
    Electronic Resource
    Investigation on the Crystalline Process of Co-Cu Nanoparticle during the Annealing (2007)
    s.l. ; Stafa-Zurich, Switzerland
    Solid state phenomena Vol. 121-123 (Mar. 2007), p. 163-166 
    Details
    ISSN: 1662-9779
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Physics
    Notes: This study uses molecular dynamics simulations to investigate the crystalline process ofCo-Cu nanoparticles of high and low Co concentrations (5 and 25 %) during the annealing process.The modified many-body tight binding potential is adopted to accurately model the Cu-Cu, Co-Co,and Co-Cu pair inter-atomic interactions. The structural transformations at the upper and lowermelting points are observed by the radial distribution function (RDF) and the angle correctionfunction (ACF)
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/02/23/transtech_doi~10.4028%252Fwww.scientific.net%252FSSP.121-123.163.pdf
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  • 3
    Electronic Resource
    Electronic Resource
    Rheological Properties of Water Films Nanoconfined in Parallel Au Plates by Molecular Dynamics Simulations (2007)
    s.l. ; Stafa-Zurich, Switzerland
    Solid state phenomena Vol. 121-123 (Mar. 2007), p. 1109-1114 
    Details
    ISSN: 1662-9779
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Physics
    Notes: Rheological properties of water films nanoconfined in two parallel Au plates areinvestigated with the aid of molecular dynamics simulations. The density distribution, velocityprofile, and diffusion coefficients of the water film in a Couette flow are studied. Shear viscosityand its dependence on the shear rate of the water film are also examined in the present research. It isfound that the density of the water molecules near the plates is much higher than that in the otherregions. This indicates that many water molecules are adsorbed by the plates and adsorbed layersare formed in the vicinity of the plates. The diffusion of the whole film increases dramatically as theshear rate becomes greater than 1010 s-1. The shear viscosity decreases as the shear rate increases,especially for the water film with a small thickness, which indicates the shear-thinning behavior forviscosity of the nanoconfined film. Moreover, an increase in shear viscosity with a decrease in thefilm thickness can also be found in the present study
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/02/23/transtech_doi~10.4028%252Fwww.scientific.net%252FSSP.121-123.1109.pdf
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  • 4
    Electronic Resource
    Electronic Resource
    The Investigation of the Self-Assembly of Crossed Multi-Shell Gold Nanowires (2007)
    s.l. ; Stafa-Zurich, Switzerland
    Solid state phenomena Vol. 121-123 (Mar. 2007), p. 401-406 
    Details
    ISSN: 1662-9779
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Physics
    Notes: In this study, the molecular dynamics is employed to simulate the selfassemblyof crossed gold nanowires at various temperatures. The nanowires with amulti-shell helical (HMS) structure are different from those of the bulk FCC structure.This work compares the morphology of crossed HMS nanowires with 7-1 structureafter self-assembly and investigates the atom motion trajectory on the joint. Thestructure transform are observed from helical structure to FCC structure by angularcorrelation function (ACF). The results can be suggested for a nano-scale circuitdesign
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/02/23/transtech_doi~10.4028%252Fwww.scientific.net%252FSSP.121-123.401.pdf
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  • 5
    Electronic Resource
    Electronic Resource
    Temperature Effect on Tensile Behavior of Helical Multi-Shell Gold Nanowires (2006)
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 505-507 (Jan. 2006), p. 385-390 
    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
    Notes: This study performs molecular dynamics (MD) simulations to investigate the tensile behavior of Helical Multi-Shell (HMS) gold nanowires. As their name suggests, these nanowires have a multi-shell helical structure rather than a conventional bulk FCC structure. The mechanical properties and deformation behaviors of the 7-1, 11-4 and 14-7-1 HMS structures are examined undertensile testing at temperatures between 4K and 300 K and a constant strain rate of 0.003% −1 ps . The results reveal that temperature influences the yielding stress, the Young’s modulus, and the deformation behaviors of HMS nanowires. The yielding stress of the 7-1 structure is found to be higher than that of the 11-4 or 14-7-1 structures. Finally, under different temperature conditions, many different close-packed structures are identified in the nanowires before they fracture
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/02/11/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.505-507.385.pdf
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    Paper (German National Licenses)
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