Conduction band
Ordering and Absolute Energies of the L6c and X6c Conduction Band Minima in GaAs
... Resolved critical point structures in Schottky-barrier electroreflectance spectra of Ga3d -sp conduction band transitions in the 20-22-eV range provide a direct proof that the L6 equival[r] ...
6
Comparative Study on the Effects of Surface Area, Conduction Band and Valence Band Positions on the Photocatalytic Activity of ZnO MxOy Heterostructures
... tion and enhancing the charge carrier separation efficiency and thus enhanced the photocatalytic activity. The electronic structure and band gap movement and also defect states have been studied in detail using ...
14
On the Current Drive Capability of Low Dimensional Semiconductors: 1D versus 2D
... the conduction and valence band need to be considered. If a band gap is assumed in a semiconductor with parabolic bands (see also ...valence band and the minimum of the conduction ...
8
Effects of Band Nonparabolicity and Band Offset on the Electron Gas Properties in InAs/AlSb Quantum Well
... the conduction band are characterized by a strong nonparabolicity and recently intensively studied heterostructures based on them ...the conduction band and the nature of the spin splitting of ...
7
The Temperature Dependence of the Thermodynamic Density of States and Urbach Rule
... the band gap of the ...the conduction band, which falls into the band ...the conduction band and the valence band of ...
6
Theoretical methods for spintronics in semiconductors with applications
... the conduction band (CB) levels of a two-dimensional electron gas (2DEG) in an asymmetric potential, it constitutes the basis for Datta and Das’ spin transistor ...
224
Synthesis, magnetic properties and enhanced photoluminescence of Fe3O4-ZnO heterostructure multifunctional nanoparticles
... So, the center of visible band emission at 565 nm (equivalent to 2.21 eV) in the Fe3O4-ZnO MNPs is attributed to can be due to an electronic transition from the conduction band edge of[r] ...
8
Analytical expressions for the luminescence of dilute quaternary InAs(N,Sb) semiconductors
... Photoluminescence, or more generally, photon emission due to different excitation processes 1,2 is a very powerful tool to characterize semiconductor materials and map specific characteristics of new devices, 3,4 notably ...
10
Role of edge facets on stability and electronic properties of III–V nanowires
... energy conduction band has two minima in the and Z points, which are almost equal in energy, while the maximum of the valence band is in the ...indirect band gap since the minimum of the ...
6
Enhanced Photocatalytic H2 Production in Core–Shell Engineered Rutile TiO2
... unique band alignments through the interior to the surface of a particle to regulate the transport of electrons and ...proposed band alignments of a particle consist of an anion vacancy-containing ...
19
First-Principles Study on the Luminescence Properties of SrAl2O4: Eu2+, Dy3+
... The results showed that: the luminescence center Eu 2+ doping SrAl 2 O 4 makes impurity level appearing in the forbidden band and the.. conduction band, and produce photoluminescence [r] ...
5
Band Gap Narrowing and Widening of ZnO Nanostructures and Doped Materials
... exhibit band gap widening with respect to their micron state while for the doped compounds exhibited band gap narrowing both in the nano and micron states with respect to the pure ZnO ...of band gap ...
12
Intersubband gain without global inversion through dilute nitride band engineering
... inter-conduction band without global inversion by engineering the conduction band effective masses so that the upper lasing subband has an effective mass considerably smaller than the lower ...
9
High-k Gate Dielectric Selection for Germanium-based CMOS Devices
... This paper presents the material selection for the gate oxide layer in germanium‐based CMOS devices using the Technique for Order Preference by Similarity to Ideal Solution (TOPSIS) approach. Various material indices ...
8
Ab Initio Study of Structural and Electronic Properties of GaP and Ga 0.875 Fe 0.125 P using First Principle Calculations
... valence band and bottom of the conduction ...valence band maximum and conduction band minimum cross the Fermi energy level in majority spin channel and minority spin channel ...
5
Dispersion Corrected Density Functional Theory Investigations of Structural and Electronic Properties of Bulk MoS2: Effect of Uniaxial Strain
... valence band and bottom of the conduction band near the point, which originate mainly from d orbitals on Mo atoms and contributions of p z orbitals on S atoms, are accordingly independent ...
8
Investigation of Novel Semiconductor Heterostructure Systems: I. Cerium Oxide/Silicon Heterostructures. II. 6.1 Å Semiconductor-Based Avalanche Photodiodes
... scribed in Chapter 7. It is seen in Fig. 8.2, that the four different structures had very different electrical characteristics. The superlattice has such a narrow effective bandgap (220meV) that one would expect breakdown ...
182
Excitons with anisotropic effective mass
... of the type (2) was originally proposed in [4] to describe shallow donor impurity states in Si and Ge, but treated numerically and evaluated only for the mathematically distinct case λ < 1, reflecting the fact that ...
5
Analytical expressions for the luminescence of dilute quaternary InAs(N,Sb) semiconductors
... the band gap energy of InAs 1 − x − y N x Sb y alloy, the band anticrossing model is applied on the conduction band and the valence band since the reduction of the band gap ...
19
Thermoreflectance of LiF between 12 and 30 eV
... fundamental band gap Γ15→Γ1. Structure associated directly with the band gap is not manifest, so the Γ15−Γ1 energy is determined indirectly to be ...valence band at L and the lower conduction ...
16