The corrugation pattern and electronic structure of graphene on MgO (111), which is a lattice-mismatched substrate, were investigated using the ab initio method. On Mg-terminated octo-polar reconstructed MgO (11
In this case the structure of the phase can be considered as consisting of two sublattices, one occupied by substitutional elements, such as Fe, Cr, Ni, Mn, etc., and the other occupied by the interstitial elements, such as C or N, and interstitial vacancies (Va). As the concentration...
The lattice mismatch, however, could also be utilized to force the self-organized formation of Ge nanostructures; the coherent Ge wetting layer of a thickness of 2 monolayers already shows a quasi-periodic strain induced (2×n) missing dimer structure which becomes a (m×n) structure at 3 mo...
The overall workflow is written within the open source package of atomate27, which works in conjunction with the Fireworks35package for job submission and management. Common structure generations and transformations are handled by pymatgen36and ASE37codes. Atomate streamlines the creation of standard ...
Our system is based on a trilayer structure composed of a thin iron film sandwiched between films of palladium and magnesium oxide (Pd/Fe/MgO) on a gallium nitride wafer. It is fabricated using a molecular-beam epitaxy approach that is assisted by a high magnetic field, which leads to a ...
Palladium clusters have been epitaxially grown under ultra-high vacuum (UHV) on MgO(100) surfaces cleaved in situ. The lattice parameter was measured in situ by surface electron energy-loss fine-structure spectroscopy (SEELFS) above the palladium N23 edge. The size distribution of the clusters ...
Which metallic crystal structure has a coordination number of 8? What is an example of a metallic bond? What is the Bravais lattice of graphene? Which metals are malleable? What are the Lanthanide metal structures? What is the basis of a metallic bond?
MgO crystallizes in the same structure as LiF but with a Mg–O distance of 205 pm. Which of the following values most closely approximates the lattice energy of MgO: 256 kJ/mol, 512 kJ/mol, 1023 kJ/mol, 2046 kJ/mol, or 4090 kJ/mol? Explain your choice. Which compound in each of...
Mechanical characteristics of 3D printed lattice structures primarily depend on the properties of materials from which they are produced. Another factor is the topology of the structure. In the paper it was shown, that the behavior of the lattice can significantly differ from the fully-dense materia...
Though the existence of MgO in wurtzite phase has not yet been detected experimentally, non-equilibrium virtually wurtzite crystal structure of MgO has been considered in some ab initio theoretical studies of its structural, elastic, electronic and optical properties [[32], [33], [34], [35], ...