Excitons, a bound state of an electron and an electron hole, can form when a given material absorbs a photon above its bandgap energy. The photon excites an electron from the valence band into the ...
Weyl semimetals are topological materials whose low-energy excitations obey the Weyl equation. In a Weyl semimetal, the conduction and valence bands touch at discrete points in momentum space called ...
In semiconductor physics, the flat band potential is a critical parameter that influences the properties and behavior of semiconductors in contact with other materials, such as electrolytes or p-n ...
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