Surface atomic packing fraction as a figure of merit for the structural transition and the bulk-to-nano transformation of spherical FCC and BCC nanosolidsStructural transitionBulk-to-nano transformationShape factorNanoparticlesWe report on the development of a simple and efficient method to predict the...
Each arrangement has a different atomic packing fraction according to the position of atoms in the unit cell. Answer and Explanation: Given data: The plane for the FCC crystal is {eq}\{ 100\} . {/eq} The plane for the BCC c...
The total number of atoms in 1 m3 is then 4×2.14×1028=8.56×1028 since an fcc cell contains four atoms. Furthermore, the mass of a copper atom is 63.57 times the mass of a hydrogen atom (which is 1.63×10−24 g) so that the mass of 1 m3 of copper, i.e. the density, is...
M. Competition between fcc and icosahedral short-range orders in pure and samarium-doped liquid aluminum from first principles. Phys. Rev. B 83, 224203-1–224203-5 (2011). 42. Pasturel, A., Tasci, E. S., Sluiter, M. H. F. & Jakse, N. Structural and dynamic evolution in liquid...
D. The melting curve of iron at the pressures of the Earth's core from ab initio calculations. Nature 401, 462–464 (1999). Article CAS ADS Google Scholar Sheng, H. W., Luo, W. K., Alamgir, F. M., Bai, J. M. & Ma, E. Atomic packing and short-to-medium-range order in...
These precipitates are known to form along the {111} direction of the Al-fcc matrix. Here, the reconstruction was calibrated using the methodology introduced in ref.13,58 based on the location of the poles that appear within the matrix region of the desorption map and to optimize the ...
X-ray DiffractionAtomic StructureMolecular StructureCrystalline StructurePlanesSymmetryPacking GeometryPhysical PropertiesChemical PropertiesMagnetizationThermal ConductivityMalleabilityReflecting X-raysInner DetailsLaboratoryStructure DeterminationChemical CompositionCrystalAtomic LatticesMiller IndicesUnit CellAnglesLengthsCrystal ...
Results suggest that the total fraction of atoms in liquid-like regions is a key parameter that controls the plastic deformation in MGs. These are discussed in the context of reported experimental results and possible strategies for synthesizing monolithic amorphous materials that can accommodate large ...
In disordered systems the fraction of tetrahedra relative to quartoctahedra exceeds substantially that in the FCC crystal.doi:10.1080/08927028908022364Voloshin, V. P.Naberukhin, Yu. I.Medvedev, N. N.Taylor & Francis GroupMolecular Simulation
Using a multi-component glass-forming alloy as proof of principle, we quantitatively characterize the short- and medium-range order of the 3D atomic arrangement. We observe that, although the 3D atomic packing of the short-range order is geometrically disordered, some short-range-order structures ...