---待续 Density of States
We calculate the lowest-order quantum-interference correction to the density of states (DOS) of weakly-disordered two-dimensional (2D) tight-binding square lattices around half filling. The impurities are assumed to be randomly distributed on small fractions of the sites, and have a strong ...
态密度(Density of States)1.1导论态密度(DOS)本质上是电子在特定能级上被允许占据的不同态的数目,即每单位能量单位体积的电子态数目。导电固体的体积特性(如比热、顺磁磁化率和其他传输现象)取决于此函数。DOS计算可以确定作为能量函数的一般状态分布,还可以确定半导体中能带之间的间距。1.2波的态密度...
1.3 Quantifying States in q-Space In q-space, the interval dq contains a count of modes that can be calculated using the dispersion relation, giving us:This counting extends to higher dimensions, as we explore the two-dimensional (2D) and three-dimensional (3D) scenarios:2D DO...
doi:10.1016/0167-2584(86)90564-5J.P.EisensteinandH.L.StörmerandV.NarayanamurtiandA.Y.SDOSSurface Science Letters
two-dimensional electron gas/ density of statesThe magnetocapacitive response of a double-barrier structure (DBS), biased beyond resonances, has for the first time been employed as a reliable method to determine the density of states (DOS) of two-dimensional (2D) electrons residing in the ...
A diagrammatic method is applied to study the effects of commensurability intwo-dimensional disordered crystalline metals by using the particle-holesymmetry with respect to the nesting vector P_0={\pm{\pi}/a, {\pi}/a} for ahalf-filled electronic band. The density of electronic states (DoS...
Density of states of a two-dimensional electron gas at semiconductor surfaces - art. no. 155315 The formation of a two-dimensional (2D) electron channel at semiconductor surfaces has been studied by high-luminosity and high energy-resolution ultraviol... B Mg.,G Bertoni,P Casarini,... - 《...
If it is possible to find a proper separable permittivity function, we can approximate a 2D PC with two distinct 1D structures. One of the advantages is rapid calculation the density of state of a 2D PC. In this article an analytical calculation of the density of states for such a 2D PC...
The vibrational properties of crystalline bulk materials are well described by Debye theory, which successfully predicts the quadratic ω2 low-frequency scaling of the vibrational density of states. However, the analogous framework for nanoconfined mater