The origin of ferromagnetism in the prototype ferromagnetic semiconductor GaMnAs is controversial because of an insufficient understanding of its band structure and Fermi level position. This is a ...

As the diameter of the nanowire increased, they found the transition energy (the measured energy gap between the conduction and valence bands) decreased. The researchers explained the result as being ...

Valence band structure of PbTe1 − xSex. Researchers have long tried to enhance the thermoelectric effect (turning heat into electricity) to make the devices practical. In doing so, the goal is ...

a, Crystal structure of TlBi(S 1−x Se x) 2. b, Valence-band ARPES intensity along the direction of the surface Brillouin zone for TlBiSe 2 and TlBiS 2, plotted as a function of wave vector and ...

Graphite surface microscopic image and valence band structure together with atomic structure models. Image Credit: Fumihiko Matsui, Institute for Molecular Science in Okazaki, Japan. Many batteries, ...

Direct measurement of field-induced changes to the electronic band structure has been difficult to ... The Dirac point is a point in energy-momentum space where conduction and valence bands touch.

A quantum dot contains a small finite number (of the order of 1-100) of conduction band electrons, valence band holes, or excitons, i.e., a finite number of elementary electric charges.

Because of the nitrogen doping, the valence band structure and defect levels of the Cu/TiO 2 transits to band structures containing N 2p, originating oxidative catalytic sites distinct from Cu/TiO 2.