empty energy band

См. также в других словарях:

• empty energy band — tuščioji energijos juosta statusas T sritis fizika atitikmenys: angl. empty energy band vok. leeres Energieband, n; unbesetztes Energieband, n rus. незаполненная энергетическая зона, f; пустая зона энергии, f; свободная энергетическая зона, f… …   Fizikos terminų žodynas

• band theory — In chemistry and physics, a theoretical model describing the states of electrons in solid materials, which can have energy values only within certain specific ranges, called bands. Ranges of energy between two allowed bands are called forbidden… …   Universalium

• Electronic band structure — In solid state physics, the electronic band structure (or simply band structure) of a solid describes ranges of energy that an electron is forbidden or allowed to have. It is due to the diffraction of the quantum mechanical electron waves in the… …   Wikipedia

• Direct and indirect band gaps — In semiconductor physics, the band gap of a semiconductor is always one of two types, a direct band gap or an indirect band gap. The band gap is called direct if the momentum of electrons and holes is the same in both the conduction band and the… …   Wikipedia

• Valence band — In solids, the valence band is the highest range of electron energies where electrons are normally present at absolute zero. In semiconductors and insulators, there is a band gap above the valence band, followed by a conduction band above that.… …   Wikipedia

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