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...possible to describe using concept of separate quasi-Fermi levels for each band. ...need to distinguish between conduction band quasi-Fermi level and valence band quasi-Fermi level as they are simply equal to the Fermi level. ...

{{short description|Theoretical electronic band structure model in which the potential is periodic and weak}} {{Electronic structure methods}} ...

The '''Rigid-Band Model''' (or '''RBM''') is one of the models used to describe the behavior |title=A rigid band model for recombination in a-Si alloys ...

{{short description|Circuit which produces an optical or electronic sine wave signal}} ...pto-electronic oscillator_BostjanBatagelj.jpg|thumb|right|Single-loop opto-electronic oscillator. LD is a [[laser diode]]. PD is a [[photodetector]].]] ...

...e the density of states at the [[Fermi level]] can be quite large, and the electronic entropy can thus contribute substantially to thermodynamic behavior.<ref na | title = First-principles theory of short-range order, electronic excitations, and spin polarization in Ni-V and Pd-V alloys ...

...ns and holes is the same in both the [[conduction band]] and the [[valence band]]; an electron can directly emit a photon. In an "indirect" gap, a photon c ...ate in the valence band (red) to the lowest-energy state in the conduction band (green) without a change in momentum. Here, almost all of the energy comes ...

...with dimensions of [[energy]], used to quantify energetic disorder in the band edges of a [[semiconductor]]. It is evaluated by fitting the [[Attenuation ...th the valance band and the conduction band increases the further from the band gap. This means the absorbance of the semiconductor will increase with ener ...

{{Linear analog electronic filter|filter1=hide|filter3=hide}} ...stopband can be different. For instance, it may be required to filter one band with the sharpest possible cut-off, but in another to minimise phase distor ...

...we are describing the number of [[Electronic band structure|electrons in a band]] using an average value, the s and d shells can be filled to non-integer n ...P. | last2=Williams | first2=A. R. | last3=Moruzzi | first3=V. L. | title="Band-gap theory" of strong ferromagnetism: Application to concentrated crystalli ...

{{Short description|Band bending in energy diagrams}} ...ssue=10 |pages=5520–5551 |doi=10.1021/cr3000626|pmid=22783915 }}</ref> The band bending concept was first developed in 1938 when [[Nevill Francis Mott|Mott ...

...|first=G.|date=1955-10-15|title=Spin–Orbit Coupling Effects in Zinc Blende Structures|journal=Physical Review|volume=100|issue=2|pages=580–586|doi=10.1103/PhysRe ...rface. Dresselhaus and Rashba effects are often of similar strength in the band splitting of [[Gallium arsenide|GaAs]] [[nanostructure]]s.<ref name="Mancho ...

{{Short description|Template for electronic filter design}} ...sform (mathematics)|transformed]]. They are most often seen in regard to [[electronic filter]]s and especially [[Linear filter|linear analogue passive filters]]. ...

...ors, such as the [[Covalent bond#Covalency from atomic contribution to the electronic density of states|covalency metric]]<ref name="covmetr">{{cite journal|last ...tronic states of the system, counted as the integral of the atom-projected electronic density of states. ...

...ure CNT.jpg|thumb|400px|Figure 1: a) Energy contour plot of the electronic band structure in CNTs.; b) Linear dependence of the electron energy on the wave ...]]s is quantized due to their one-dimensionality and the number of allowed electronic states is limited, if compared to bulk graphite. The nanotubes behave conse ...

...However, there is no need for more complex circuitry, as there is with [[Electronic filter|filters]], due to the simplicity of the frequency response required. ...ung, Jones, ''Microwave Filters, Impedance-Matching Networks, and Coupling Structures'', pp.&nbsp;41–45, 4McGraw-Hill 1964. ...

...al, such as the type and arrangement of local [[Chemical bond|bonding]], [[electronic structure]] and [[chemical composition]]. ...econd lasers are used, the method can easily be extended to access excited electronic states and electron dynamics by introducing a pump-probe scheme, see also [ ...

...very specific ranges of [[photon]] energy, corresponding to the [[Band gap|band gaps]] at critical points of the [[Brillouin zone]].<ref name=":0" /><ref>{ ...tt.15.104|bibcode=1965PhRvL..15..104S|issn=0031-9007}}</ref> Normally, the band structure at critical points (points of special interest) has to be measure ...

...assified into a number of different bandforms describing which frequency [[Band (radio)|bands]] the filter passes (the [[passband]]) and which it rejects ( **[[Band-pass filter]]&nbsp;&ndash; only frequencies in a frequency band are passed. ...

{{Linear analog electronic filter|filter1=hide|filter3=hide}} ...pe filters''', also called '''double-m-derived filters''', are a type of [[electronic filter]] designed using the [[Image impedance|image]] method. They were pat ...

...dgap]] to excite an electron from the [[valence band]] to the [[conduction band]]. This increases the induced photocurrent and thereby efficiency.<ref name ===One band=== ...