Showing papers in "Superlattices and Microstructures in 2017"

TL;DR: In this paper, a comprehensive study about an emerging GaN HEMT technology suitable for RF and high power applications is presented. But it was found that AlN/GaN based HEMTs were superior in offering highest drain current of 4 A, high 2DEG charge density (ns) of 6 × 1013 cm−2, highest cutoff frequency of 2.02 THZ, while preserving breakdown voltages.

TL;DR: In this article, the Lie symmetry and Ricatti-Bernoulli (RB) sub-ODE method are applied to obtain soliton solutions for nonlinear transmission line equation (NLTLs).

TL;DR: In this article, the authors obtained soliton solutions to magneto-optic waveguides that appear with Kerr, power and log-law nonlinearities using the extended trial function method.

TL;DR: In this article, the existence of solitons in non-Kerr law media modulated by the P T -symmetric mixed linear and nonlinear optical complex lattices is analyzed.

TL;DR: In this article, the authors employed three integration schemes to obtain soliton solutions in optical fibers with anti-cubic nonlinearity: traveling waves, tanh-coth scheme and modified simple equation method.

TL;DR: In this article, the higher order non-linear Schrodinger equation (NLSE) with cubic quintic nonlinearity describes the propagation of extremely short pulses in optical fibers and the obtained solutions have key applications in physics and mathematics.

TL;DR: In this article, a tunable Y-branch graphene plasmonic switch operating at the wavelength of 1.55μm is proposed in which graphene is placed on white graphene.

TL;DR: In this paper, the authors analyzed the soliton solutions of the fourth-order nonlinear Schrodinger equation (NLSE) with dual-power law nonlinearity using Ricatti-Bernoulli (RB) sub-ODE and modified Tanh-Coth methods.

TL;DR: In this paper, the authors proposed and designed an all optical full adder based on photonic crystal, which used four nonlinear resonant cavities inside a two-dimensional photonic lattice.

TL;DR: In this article, the generalized coupled nonlinear Hirota (GCH) equations with addition effects by the Hirota method were investigated for eliciting optical solitons for increasing the bit rates.

TL;DR: In this paper, the Jacobi elliptic function (JEF) was used to acquire optical soliton solutions of the Schrodinger-Hirota equation (SHE) in optical fiber.

TL;DR: Casas, Adriana Gabriela as discussed by the authors, et al. as discussed by the authors presented a paper on the Consejo Nacional de Investigaciones Cientificas y Tecnicas (CICTE) and Argentina.

TL;DR: In this article, a triangular two-dimensional photonic crystal (PhC) of As2Se3-chalcogenide rods in air is presented and its photonic band diagram is calculated by plane wave method.

TL;DR: Using two-dimensional photonic crystals with triangular lattices, ultra-compact logic gates are designed and simulated in this article, where the intended structure has the capability to be used as three logical gates (NOT, XOR, and NOR).

TL;DR: In this paper, the effect of Cu doping on the structural, morphologic, conductivity, optical and photoelectrocatalytic properties of ZnO NRs were systematically investigated.

TL;DR: In this article, the design and simulation of an all optical NOR and AND logic gates based on two dimensional photonic crystals is discussed. But the authors focus on the design of optical logic gates.

TL;DR: In this article, the effect of substrate temperature on the structural, morphological, compositional and optical properties of CZTS thin films was reported and the X-ray diffraction and Raman analysis revealed that prepared thin film show kesterite phase without any secondary phases.

TL;DR: Implementing intensity-dependent Kerr-like nonlinearity in octagonal-shape photonic crystal ring resonators (OSPCRRs), a new class of optical analog-to-digital converters (ADCs) with low power consumption is presented and Silicon nanocrystal is used as nonlinear medium in the proposed ADC.

TL;DR: In this paper, the authors investigated the impact of a drain pocket adjacent to the drain region in tunnel field effect transistors (TFETs) to effectively suppress the ambipolar current.

TL;DR: An optical half-subtractor has been designed, based on two-dimensional photonic crystals, which can be used in optical integrated circuits and has a very low-time delay.

TL;DR: In this paper, the authors integrated the merits of gate-drain underlapping (GDU) and N+ source pocket on cylindrical gate all around tunnel FET to form GDU-PNIN-GAA-TFET.

TL;DR: In this paper, the authors used density functional theory calculations (B3LYP and ωB97XD levels) to search on the adsorption of Sulfur mustard gas (defined as mustard gas) on the surface of fullerene-like ZnO nanocage as a semiconductor.

TL;DR: In this article, the authors apply new technique for higher order nonlinear Schrodinger equation which is representing the propagation of short light pulses in the monomode optical fibers and the evolution of slowly varying packets of quasi-monochromatic waves in weakly nonlinear media that have dispersion.

TL;DR: In this paper, the applications of the extended sinh-Gordon equation expansion method to a nonlinear Schrodinger equation that describes the nonlinear spin dynamics of (2 + 1)-dimensional Heisenberg ferromagnetic spin chains with bilinear and anisotropic interactions in the semiclassical limit is presented.

TL;DR: In this paper, the nonlinear Schrodinger type equation (NLSE) in (2+1)-dimensions was studied for the Heisenberg ferromagnetic spin chains (HFSC) with anisotropic and bilinear interactions in the semiclassical limit.

TL;DR: In this paper, a device modeling of HTM free perovskite solar cells having the structure of FTO/ZnO/CH3NH3PbI3/carbon is performed.

TL;DR: In this paper, the work function and optical properties of three monolayer SnSe allotropes were investigated with density functional theory for three different optical properties, and it was shown that the three mon-layer SnSe are sufficient for fabrication of optoelectronic nanodevices.

TL;DR: In this paper, the authors obtained optical soliton solution to perturbed nonlinear Schrodinger's equation by modified simple equation method, where four types of nonlinear fibers studied in this paper were derived.

TL;DR: In this paper, the binding energies of the donor bands and an acceptor band were obtained through temperature-dependent photoluminescence (PL) analysis for planar UV device applications.

TL;DR: In this paper, the authors derived a nonlinear differential equation describing the evolution of the wave amplitude in the non-Kerr quintic media and solved the resulting amplitude equation to get exact analytical chirped bright, kink, antikink, and singular soliton solutions for the model.