费米面

费米面系统热力学性质的±5kT能级宽度修正

The amendment of ± 5kT energy level width for thermodynamic properties of Fermi surface system

角分辨光电子能谱（ARPES）是研究晶体表面电子结构，如能带，费米面，以及多体相互作用的重要工具。

The angle_resolved photoemission ( ARPES ) is a powerful experiment method to study the surface electronic structure of crystals , such as energy bands , Fermi surface , and many_body interaction .

结果表明：形成合金后费米面能量位置漂移，介于Ni和La的费米面之间，费米面上主要是Ni3d电子；

The results show that the Fermi level shifts toward the position between those of La and Ni . Ni 3d electrons mainly contribute to the states of density at Fermi level .

在T位掺杂的上下自旋能带中，费米面位于Dirac点以上进入导带，使得体系表现为n型掺杂。

In the band structure of T site doping , the Fermi level is located above the Dirac point and moves to the conduction bands in majority spin and minority spin , making the bilayer graphene n doped .

表面科学中，扫描隧道显微镜（STM）己成为一种极其重要的测量分析手段，用于对固体表面形貌的测量和费米面附近电子态的探测。

As a very powerful tool in surface science , the Scanning Tunneling Microscope ( STM ) has been used intensively in topographic measurement and electronic-state-detection near the Fermi level of the solid surface .

最后，我们还计算了TiN和NbN的能带与态密度图，证实两种化合物均呈金属性，费米面附近出现的赝能隙标志材料具有高稳定性。

At last , we calculate the band structures and density of states of TiN and NbN , whose results confirmed that these two compounds present metal properties , and pseudopotential gaps around femi level suggest that these materials have high stability .

在准一维导体（如蓝青铜）中，由于其结构强烈的各向异性及特殊的费米面拓扑结构导致晶格的Peierls失稳，从而伴随形成电荷密度波（CDW）。

In the quasi-one-dimensional conductors , the strong anisotropy of the electronic structure and special topology structure of the Fermi surface will induce the Peierls instability and form the charge density waves ( CDW ) below a characteristic temperature .

布里渊区角顶附近的费米面的计算

A numerical study of the Fermi surface inside a Brillouin zone corner

二维正方格子自由电子气的费米面

Fermi Surface of Two-dimensional Square Lattice Free Electron Gas

费米面附近导带的电子结构变化较大；

The electronic structure of conduction band near Fermi level is changed markedly , especially for Ni .

理论预测，层间耦合振荡依赖于非铁磁层费米面的临界生成矢量，测量周期和关于费米面的预测已经得到了认可。

Theory predicts that the periods of the oscillatory coupling should depend on critical spanning vectors of the Fermi surface belonging to the spacer layer material .

耦合的相位和振幅被系统的电子结构、电子自旋向上或自旋向下的费米面的几何特征所约束。

The Phase and the amplitude of couple are restrained by the electronic structural and specific property of system , especially the geometry feature of Femi surface of the up-and down-spin .

由于超导凝聚电子对一般只发生在费米面附近，费米面的图像的研究，对于这个问题的研究有很重要的意义。

And because superconducting electron pairs only occur near the Fermi surface , in the vicinity of the images of Fermi surface , the study on this issue is very important .

分析了在该体系中正电子寿命参量与局域电子密度、多普勒线形参量和角关联参量与电子动量密度分布和费米面之关联。

And the relationships of the positron lifetime and the local electron density , that of the Doppler line shape , the angular correlation and the distribution of electron momentum density , Fermi planes are analyzed respectively .

1956年，久保提出自己的理论。久保理论是针对纳米粒子费米面附近电子能级状态分布而提出来的，认为低温下单个粒子的费米面附近电子能级看成等间隔的能级。

In 1956 years , Kubo presented his theory aiming at level station distribution of nano-particles Fermi surface electron , and thought that at low temperature electron levels of single particle near Fermi surface is equal level .