The crystal structure is achieved through a periodic distribution of groups of atoms (or ions/molecules). Ideally, considering a crystal that extends to infinity in spatial coordinates, the periodicity translates into atranslation invariance(ortranslation symmetry). The entire crystal is thus generated ...
Silicon (Si) has a Diamond crystal structure on a face-centered cubic (fcc) lattice as shown in Fig. 1(a). It is cheaper compared to exotic materials such as gallium arsenide (GaAs) and lithium niobate (LiNbO3). In addition, silicon has an energy gap of around 1.1 eV (Chelikowsky ...
A direct impact of the crystal deformation under uniaxial tensile strain is the modification of the band structure, particularly the variations of the band edges, as illustrated in Fig.1. In silicon, the six electron valleys are located along the high-symmetry path from Γ towards X while the ...
crystal atomic structure of elementsenergy gapINDO calculationsnoncrystalline state structuresilicon/ atomic clustersSi bulkcrystalline structurescrystal fragmentsSilicon clusters of 13 to 43 atoms were studied with the semi-empirical method SINDO1. Crystalline structures of face-centered cubic (fcc), ...
L. hcp-to-fcc transition in silicon at 78 GPa and studies to 100 GPa. Phys. Rev. Lett. 58, 775–777 (1987). Article ADS Google Scholar Hanfland, M., Schwarz, U., Syassen, K. & Takemura, K. Crystal structure of the high-pressure phase silicon VI. Phys. Rev. Lett. 82, ...
Simulated nanoindentation into single-phase fcc FexNi1−x alloys predicts maximum hardness for equiatomic stoichiometry Article Open access 16 June 2023 Nanoindentation into a bcc high-entropy HfNbTaTiZr alloy—an atomistic study of the effect of short-range order Article Open access 20 April ...
Duclos SJ, Vohra YK, Ruoff AL (1990) Experimental study of the crystal stability and equation of state of Si to 248 GPa. Phys Rev B 41:12021–12028 Article Google Scholar Duclos SJ, Vohra YK, Ruoff AL (1987) Hcp to fcc transition in Silicon at 78 GPa and studies to 100 GPa. Phys...
(fcc), body-centered tetragonal (bct), simple hexagonal (sh), hexagonal-close-packed (hcp), double-hexagonal-close-packed (dhcp), simple cubic (sc), β-tin, a body-centered cubic structure with eight atoms per unit cell (bc8), and a simple tetragonal structure with 12 atoms per unit ...
crystal, as crystal diameter, crystal length, growth rate, and cooling rate were increased. The diamond cubic lattice can be modeled as two interpenetrating face-centered cubic (FCC) lattices. If dislocations are present, their motion occurs in the 12 slip systems for FCC, along the close-...
Most compound semiconductors have the zinc blende crystal structure seen in Figure 6.5 that is very similar to the diamond structure. This structure contains two kinds of atoms, A and B, with each species forming a face-centered cubic lattice. These mutually penetrating face-centered cubic (fcc)...