Silicon is a semiconductor in group IVA of the periodic table with atomic number 14, an atomic weight of 28.086, and a density of 2.33 Mg/m 3. It melts at 1410 C. The electronic configuration of the ...

By 1926 he published his work, providing a theoretical basis for the atomic model that Niels Bohr had proposed based on laboratory evidence. The equation at the heart of his publication became ...

In 1913, Niels Bohr revised Rutherford's model by suggesting that the electrons ... However, there was still a difference between the atomic number of the atom and the atomic mass.

Bohr went on to make enormous contributions to physics and, like Rutherford, to train a new generation of physicists. But his atomic model remains the best known work of a very long career.

All of these systems are made up of dissimilar materials that, where they join at the atomic scale ... and metal gate electrodes to enable silicon and non-silicon logic nanotechnology.

MXene compounds take their name from their graphene-like morphology and are made via selective etching of certain atomic layers from ... an n-type monocrystalline silicon wafer with a thickness ...

More information: Xingyue Ma et al, Active learning of effective Hamiltonian for super-large-scale atomic structures, npj Computational Materials (2025). DOI: 10.1038/s41524-025-01563-z Journal ...

Researchers from UNSW and Longi have found that the silicon nitride layers used in ... barrier layer, deposited via atomic layer deposition (ALD), to protect against contaminant diffusion.