Band structure
High Pressure Band Structure and Metallization in Zinc Sulphide
... ZnS band structure are similar to the previous calculations ...valence band due to sulphur and empty p like conduction band due to ...the band gap of ZnS is direct (3.6856 eV) with top ...
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Frequency modulation in Direct Band gap Semiconductors: Band structure and Density of state mass effects
... Abstract — The frequency modulation has been investigated analytically in direct gap semiconductors including band structure (BS) and carrier heating (CH) effects. In order to include BS effects, an ...
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Band Structure and Dispersion Properties of Photonic Quasicrystals
... and band structures of 2-D photonic quasicrystals, numerical methods have been ...example, band structures of 2-D octagonal and decagonal and dodecagonal photonic quasicrystals have been calculated by ...
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Extremal transmission at the Dirac point of a photonic band structure
... the band structure has a true gap, rather than on fre- quencies near the Dirac ...the band structure offers a qualitatively new transport regime ...
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First Principles Enhanced Electronic Band Structure of SrTiO
... The band structure, total and partial density of states (DOS and PDOS) were ...calculated band gaps were ...calculated band gap were increasing from ...better band gap value of ...
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Introduction to band structure calculations using the LAPW method
... as band structure, optical properties, lattice pa- rameter, equilibrium volume, phonon fre- quencies, elastic constants etc, which are based on the calculation of the total energy, are described quite ...
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Photonic band-structure effects in the reflectivity of periodically patterned waveguides
... plane band-structure effects arising from the ...nic band gaps ~PBG’s!, 3 optical transmission through sub- wavelength hole arrays, 4 and sharp spectral features in shallow grating waveguide ...
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ELECTRONIC BAND STRUCTURE AND OPTICAL PROPERTIES OF TITANIUM DIOXIDE
... periodic structure of crystalline ...This band has a particular importance for semiconductors as many properties of semiconductors are determined by only a small number of these bands (Owolabi et ...The ...
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Band structure calculations of Si–Ge–Sn alloys: achieving direct band gap materials
... For band structure calculation of SiGeSn alloys we use the charge self-consistent pseudopotential Xα ...electronic structure (i.e. the band gaps, or optical properties of semiconductors) with ...
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Comparison of Functionals for Metal Hexaboride Band Structure Calculations
... hexaboride band structure calculations within the framework of DFT use the local den- sity approximation (LDA) and the generalized gradient approximation (GGA) [3] [7] [9] [48] ...
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Tuning the electronic band structure of PCBM by electron irradiation
... electronic band structures such as band-edge position and bandgap of organic semiconductors is crucial to maximize the performance of organic photovoltaic ...the band structure of [6, ...
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Ultrafast band structure control of a two dimensional heterostructure
... electronic structure of two-dimensional (2D) semiconductors can be signifi- cantly altered by screening effects, either from free charge carriers in the material itself, or by environmental screening from the ...
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First Principles Studies on the Electronic Structure and Band Structure of Paraelectric SrTiO3 by Different Approximations
... wave (FP-LAPW) method in the framework density functional theory (DFT) with the generalized gradient approximation (GGA) by WIEN2k package. The calculated band structure shows a direct band gap of ...
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Band Structure and Superconducting Properties of Te under High Pressure
... electronic band structure properties of Te under high pressure using density functional theory (DFT) based tight-binding linear muffin-tin orbital (TB-LMTO) ...calculated band structure ...
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High Pressure Band Structure, Metallization and Superconductivity of ZnSe and CdSe
... properties and phase transitions of eleven II-VI semiconductors under pressure using Seeback effect.There is no high pressure studies related to metallization and superconductivity in both ZnSe and CdSe. This motivated ...
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Band Structure Research of a 2D Honeycomb Lattice Phononic Crystal
... the band gap properties of a two-dimensional honeycomb lattice/water phononic crystal were investigated both theoretically and ...The band structure was calculated with the plane wave expansion (PWE) ...
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The band structure of CuInTe2 studied by optical reflectivity
... FIG.4. (a) OR spectrum measured at 5 K (◦) and fitted with eq. (1) (-red line), (b) temperature dependence of the spectral position of the A(□) and B(○) excitons in the OR spectra and the best fits using the Varshni ...
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BAND STRUCTURE, METALLIZATION AND STRUCTURAL PHASE TRANSITION OF NABR UNDER HIGHPRESSURE
... Cite This Article: P.Penila Saminy, Y.Ramola, and C.Nirmala Louis. (2018). “BAND STRUCTURE, METALLIZATION AND STRUCTURAL PHASE TRANSITION OF NABR UNDER HIGHPRESSURE.” International Journal of Engineering ...
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A Novel Design Approach for Dual-Band Electromagnetic Band-Gap Structure
... EBG structure has been attractive to many researchers ...EBG structure which consists of concave and convex patches with insert spiral braches was introduced and ...multi-band structure by ...
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A Novel Structure for Realization of a Pseudo Two Path Band-Pass Filter
... third order low-pass ladder filter is transformed to a band-pass filter. In effect, the proposed filter has both low-voltage, high speed properties of IAZI circuits and fine accuracy of N-path structures. With ...
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