Synthesis of polymeric blends and nanocomposites of tuned properties gained increasing attention worldwide. In the present report, semicrystalline PVA/PEO blend films loaded with clay nanoparticles (Nps), at doping ratios in the range 3–12 wt%, were prepared and characterized by various techniques. XRD, SEM, and FTIR were used for probing the semicrystalline nature, morphology, and microstructure of

Using the transfer matrix (TM) method, the propagation of electrons is studied, in a one-dimensional multi-quantum well composed of alternating layers of barriers and wells. In the first time, we proposed system with a single barrier CdMnTe is embedded between two semi-infinite substrates. Hence, the corresponding Eigen modes energies were found to be shifted towards lower energies as the barrier thickness

The challenges in exploring new nonlinear (NLO) materials were productively conquered by many researchers since long time in terms of novel methods and materials. Still continuous efforts are being made to explore novel NLO materials and the derivatives of the prominent materials which are previously reported. In this context, the growth of ammonium iodate doped L-alanine [LAAI] single crystals grown

In this paper, we theoretically investigate the nonsequential double ionization (NSDI) process of Ne induced by linearly polarized laser field using strong field approximation theory. It is found that, with increasing laser intensity, the correlated electron momentum distributions (CEMDs) corresponding to multiple-return-collision process, which is believed to predominate in NSDI process at high intensity

The work continues systematic applications of the method developed by Di Martino and Facchi (2015) for obtaining, for systems with variable boundary conditions, an equivalent Schrdinger equation with constant boundary conditions. From the resulting equation with rapidly varying terms, an effective equation is then derived for the averaged (slowly varying) wave functions. In this work, we obtain this

For high intensity x-ray sources, the investigations of the nonlinear x-ray effects become essential. The x-ray third-order nonlinear asymmetric transmission case dynamical diffraction is investigated theoretically in perfect crystals. The three essential input parameters are taken into account: the deviation from the Bragg exact orientation, the asymmetry angle of reflecting atomic planes and the

The development of advanced tungsten grades able to tolerate irradiation damage combined with thermo-mechanical loads is important for design of plasma-facing components for DEMO. The material microstructure (i.e. grain size, dislocation density, sub grains, texture) is defined by manufacturing and post heat treatment processes. In turn, the initial microstructure might have an important influence

The net erosion and deposition patterns in the inner and outer divertor of WEST were determined after different experimental campaigns (C3 and C4) of the first operational phase using ion beam analyses and scanning electron microscopy techniques. The analyses were performed on four entire tiles from inertially cooled, W-coated divertor units with an additional Mo marker coating covered with a further

This manuscript is devoted to describing a novel numerical scheme to solve differential equations of fractional order with a non-singular kernel namely, Caputo-Fabrizio. First, we have transformed the fractional order differential equation to the corresponding integral equation, then the fractional integral equation is approximated by using the Simpson’s quadrature 3/8 rule. The stability of the proposed

This work discusses the experimental results of the electrical and magnetic properties of the core-shell NiFe2O4@MgFe2O4 (NiF@MgF), and ZnFe2O4@MgFe2O4 (ZnF@MgF). The conductivity behavior showed semiconductor-metallic behavior, which varies between NSPT, OSPT, and CBH models depending on the temperatures and the frequencies. In addition, the dielectric showed that a mutual effect between the core

We model and study the electronic and transport properties of a planar 2D superlattice (PSL) structure containing laterally arranged alternating ribbons of Transition Metal DiChalogenides (TMDC). Within governed effective Hamiltonian we derived adopted transfer matrix formalism to obtain dispersion relation and electronic band structure with wave functions, transmission probability and Fano spectrum

Based on the First-principles calculations, we have investigated the opto-electronic properties of AlGaX2(X=As, Sb). We find that the AlGaX2(X=As, Sb) is energetically stable due to lower formation enthalpy. Additionally, the dynamical stability is also confirmed by phonon calculation and found no-imaginary frequencies in the phonon-spectra. Interestingly, both AlGaAs2 and AlGaSb2 compounds possesses

Low frequency, electrostatic, pure drift mode is investigated in dense magnetized electron-ion plasma in the presence of relativistically degenerate electrons using quantum magnetohydrodynamic model (QMHD). Ions are considered as warm classical particles. Inhomogeneities in background ion density, ion temperature and external magnetic field are taken into account. In the linear regime, dispersion relation

The IV semiconductor materials have a pivotal role in photovoltaic (PV) systems. Research on the optimal grating structure has attracted a lot of interest because of its potential application in light-trapping in thin film PV cells. The Photonic Crystals (PCs) with their nano-engineered feature which allowed them to obtain high efficiency solar cells in particular from a parametric aspect. By using

Transition probabilities data (Frank–Condon factors, Einstein coefficients and absorption oscillator strengths) are the indispensable parameters for the calculations of radiative properties in thermodynamic equilibrium or nonequilibrium plasmas. Constructing an accurate transition probability database is of great significance not only for spectral simulations but also for spectroscopic diagnosis. Although

Ground state shape coexistence with mixing is suggested in nuclei, based on empirical evidences. The claim is demonstrated by the investigation of deformation properties for 74Ge and 74Kr nuclei within the phenomenological Bohr-Mottelson model, having as input the experimental collective energy states, as well with Covariant Density Functional Theory based on microscopic structural information. The

The ferromagnetism induced by an external magnetic field (EMF), in (3+1) dimensions, is governed by Kraenkel–Manna–Merle equation (KMME). A (1+1) dimensionalmodel equation was derived in the literature. Here, this later model equation is considered with space-dependent coefficients, which stands to inhomogeneous ferromagnetism. Exact solutions are obtained by using the extended unified method. The

Based on the non-coaxial interference of Bessel–Gaussian (BG) beams, a new complex-structured light field is formed. By varying the off-axis distance, phase difference, separation angle, and topological charges (TCs) of the component beams, we observed the splitting, generation, and annihilation of phase singularities. The net TCs of the composite light field is not always equal the sum of the TCs

The increasing food packaging waste is a severe concern for air, water, and soil pollution. In this research work, a triboelectric nanogenerator (TENG) is fabricated using waste food packaging Aluminium cover foils and laboratory parafilm for the first time. The device novelty lies in the selection of the materials; parafilm and food packing Aluminium cover foils. The proposed TENG produced an output

Ca3CoMnO6, a quasi-1D Ising chain at low temperature offers rich fundamental physics and applications. We have studied the dielectric and magnetoelectric coupling in Fe doped Ca3CoMnO6 (CCMO) bulk ceramics prepared by co-precipitation technique. Single phase hexagonal crystal structure having R-3C space group was confirmed by x-ray diffraction. Extremely low currents were observed up to 20% Fe doping

As the first wall candidate material in the future fusion device, Reduced Activation Ferritic/Martensitic (RAFM) steel represented by CLF-1 steel was further investigated on the deuterium (D) erosion and retention behaviours. The influences of the surface conditions, including surface morphology, W-enriched structure and the original surface roughness, of the surface conditions including the sample

A novel designed Fano system using metal-dielectric-metal (MDM) configuration is proposed and numerically evaluated via finite element method (FEM). At the same time, the formation mechanism of Fano resonance is explored based on numerical simulations. Moreover, the standing wave theory and the temporal coupled-mode theory (CMT) are utilized to investigate the resonant phenomenon. The system is constructed

In this article, an SPR sensor based on 12-fold quasi-periodic PCF composed of Ge-doped silica is introduced for analyte detection. The outer surface of the cladding is covered by a 40 nm gold layer serving as the plasmonic layer for the proposed sensor. The birefringence induced due to the inherent characteristic of the 12-fold pattern in the cross-section provides discrepancy for the operation of

This paper covers new solitary wave solutions of the fractional Kraenkel-Manna-Merle (KMM) model. The KMM system in its fractional form is studied for the first time. The motion of a nonlinear ultra-short wave pulse through saturated ferromagnetic materials with zero conductivity is depicted in this model. β- derivative is used to study the fractional behavior of the proposed model. Two integration

The current study presents a new fractional-order three-echelon supply chain model. The chaotic behaviour of the proposed model is demonstrated, and after its synchronization is studied. To this end, a new control technique is offered for the proposed fractional-order system. In the design of the controller, it is assumed that all parameters of the model are unknown. Hence, the proposed sliding mode

In this study, the two-phase pressure drop of a one-side heated swirl tube (twist ratio=3, 5) was experimentally studied. If the a heat flux is gradually increased, the vapor blocks the flow path, thus leading to an increase in the differential pressure. As the inset sub-cooling and mass flow rate increase, the vapor is removed by condensation more rapidly, and thus, the rate of increase of differential

In this work we suggest that the production of bosons (mesons) in a cascade process such as the one provided by the Schwinger and Bjorken models for the quark confinement, can be considered as a natural feedback process. Within this feedback process, a recurrent operator acts on the initial boson field function, which is mathematically expressed by some type of the zero-order Bessel function. The result

This paper presents various systems that investigate the interaction between two-population as predator-prey interaction, mutualism interaction, and competitive interaction. The most important assumption considered in the construction of models is to assume that the first population exhibit two contradictory behaviors herd behavior of some of them and solitary demeanor for the remainder density. This

In this article we aim to approximate linear time fractional advection diffusion equations (TFADE) with Atangana-Baleanu- Caputo(ABC) derivative using local meshless method and Laplace transformation(LT). The method comprises of three steps. In the first step the the time variable is eliminated using LT. In the second step the reduced problem is solved using local meshless method. In the third step

16 MeV protons have been used to irradiate 300 μm thick macroscopic W samples in a pilot experiment to 0.006 dpa damage dose under low and high temperature scenarios of ∼373 K and ∼1223 K, respectively. The linear pre-Bragg region has been used for damage where the electronic loss (heat) in the sample amounts to 1.5 MW m−2. Post high-temperature irradiation, the W sample has been recrystallized as

Following ELMy H-mode experiments with liquid metal divertor target on the COMPASS tokamak, we predict the behavior of a similar target on COMPASS Upgrade, where it will be exposed to surface heat fluxes even higher than those expected in the future EU DEMO attached divertor. We simulate the heat conduction, sputtering, evaporation, excitation and radiation of lithium and tin in the divertor area.

This paper deals with the multi-dimensional coupled viscous Burgers’ equations, using the method of lines (MOL). Indeed, the solutions are approximated by their Lagrange interpolation on a set of Jacobi-type nodes. Then, an appropriate differentiation matrix is used to approximate the first and the second partial derivatives with respect to spatial variables. This procedure approximates the original

In the present study, we first synthesized pristine ZnO and Sn doped ZnO nanoparticles (NPs) then capped the synthesized NPs by Glutathione at different capping concentrations. The structural, morphological, and optical properties of synthesized NPs was examined by x-ray diffraction (XRD), transmission electron microscopy (TEM), energy dispersive x-ray spectroscopy (EDS), Fourier transform infrared

We undertake the aperture averaged scintillation derivation of Gaussian vortex beam using Rytov approximation. For this purpose, point-like scintillation is formulated initially and is then converted into the aperture averaging form via overlap procedure. The numeric values delivered by this aperture averaged derivation are plotted side by side against the results obtained from random phase screen

This paper presents a general method to solve non-hermeticity potentials with PT (Parity-Time) symmetry using two first-order operators against η-weak-pseudo-hermiticity having position-dependent effective mass. It futher suggests a way to apply this method to Dirac equation with spinor wave functions and non-hermetic potentials with real energy spectrum considering position-dependent effective mass

The trapezoidal and dovetail profiled longitudinal fin structures exposed to a convective-radiative environment and mounted on an inclined surface have been considered for the analysis. The fin structures have been assumed to be porous and fully wet in nature. The Darcy model has been implemented to simulate the fluid-solid interactions. Further, the convective and radiative heat transfer coefficients

In order to further verify the weak cosmic censorship conjecture in high-dimensional hairy space-time, we discuss the thermodynamics and the weak cosmic censorship conjecture from a five-dimensional hairy AdS black hole. With the absorption fermions by hairy AdS black holes, the energy-momentum relationship at the horizon is obtained via Dirac equations. Based on this energy-momentum relationship,

The quarter-wavelength-mode has been widely used in microwave absorption material research for many years. Based on wave-cancellation method, it is proved in the first part of this work that the model fails for most cases. It is interesting that the principles underlining this work are not beyond those covered by fundamental college courses even though the improper model has been dominant in the field

We have shown recently that the redshifts of the isolated emission lines of the H-like and He-like ions subject to outside dense plasma environment could be estimated by carefully examining the spatial and temporal criteria of the classical Maxwell-Boltzmann statistics based on the Debye-Hckel (DH) approximation with the nucleus charge Z approximately between 6 and 18. The theoretical results are obtained

In this study, we have carried out a theoretical investigation of CdSe/ZnSe core/shell spherical quantum dot (CSQD) embedded in different dielectric matrix. The effect of surrounding matrix and the external electric field on the linear and third-order nonlinear real and imaginary parts of the dielectric function have been simulated numerically using the effective mass approximation and taking into

In the current investigation, a new version of brazing entitled FSVB (friction stir vibration brazing) is developed. In this process, the adjoining samples are vibrated normally to the brazing line while FSB is performed. Low carbon steel sheets are lap joined together using FSB and FSVB methods while SiO2 nanoparticles are incorporated in the joint. The microstructure and mechanical behaviors of the

In this investigation, by matching the moving Kriging meshfree formulations with the third-order shear flexible shell model together with the modified couple stress continuity, the size-dependent nonlinear stability characteristics of micropanels subjected to axial compression are analyzed. The random checkerboard model is employed for the micropanels made of graphene nanoplatelet random-reinforced

Within time-dependent Hartree–Fock theory, we study the CO ionization for six different photon wavelengths running from 200 to 700 nm. The parallel and perpendicular alignments of the CO molecular axis with the polarization direction of the laser electric field are considered for two different laser intensities, namely and W cm−2. At the laser intensity W cm−2, the ionization picture is characterized

The distribution of muon beams and secondary positrons can be vital reference data for the application of the accelerator muon transmission imaging technique. In this study, the distribution of muon beams and secondary positrons in biological tissue, semiconductors, and metals was simulated using Geant4. The muon beam showed an extremely concentrated decay area, which presented quite high depth resolution

We suggest an optomechanical system to study the manipulation of the Goos-Hnchen shift (GHS) in the reflected light. Our proposed model consists of a cavity with two plates of mirrors where one is movable(reflecting) while the other is fixed (partially reflecting). An external plate of dielectric is attached for the generation of Casimir force in the system. A Casimir force can affect the output probe

In this paper, we introduce a novel multifractional noise, which we call modified multifractional Gaussian noise (mmfGn). The introduced mmfGn is with the time varying Hurst parameter H(t) on a point-by-point basis based on the autocorrelation function (ACF) of the fractional Gaussian noise. The representations of the ACF and the power spectrum density (PSD) of the mmfGn are presented in Theorems 1

Central to much of science, engineering, and society today is the building of mathematical models to represent complex processes. Recently, the non-relativistic limit of nonlinear Klein-Gordon equations in de Sitter spacetime has been used to derive Schrdinger equations with weighted nonlinear terms In this paper, numerical simulations are constructed to clarify the behavior of the solution in both

Low-frequency hybrid waves are excited by the externally injected electron beam in the presence of a uniform magnetic field B 0 in a semi-relativistic semiconductor plasma. The properties of the medium are analyzed by employing the quantum hydrodynamic model where quantum characteristics contribute through Fermi degenerate pressure, tunnelling potential, and the exchange-correlation potential. Keeping

The MEMOS-U code, a significantly upgraded version of MEMOS-3D, has been developed to address macroscopic metallic melt motion in large-deformation long-displacement regimes, where melts spill onto progressively colder solid surfaces, that are ubiquitous in contemporary tokamaks and expected to be realized in ITER. The modelling of plasma effects, appearing via the free-surface boundary conditions

This paper addresses the process of Jeans gravitational instability in the framework of Eddington-inspired Born-Infeld (EiBI) theory, by accounting for quantum effects. In the Newtonian limit, the model reduces to a generalized Schrdinger-Poisson model, which is treated in two different ways: from a quantum hydrodynamic approach and from a quantum kinetic approach, based on the Wigner (quasi-)distribution

A series of novel lead-free (1-x)(Na0.5Bi0.5)TiO3–xBaSnO3, (x=0.00, 0.05, 0.10) ceramics were fabricated by solid-state air sintering route and their dielectric and microstructural properties were studied. Various experimental methods to characterize the fabricated ceramics such as PXRD, Raman spectra, SEM-EDS, UV-visible and dielectric studies. All the ceramics were crystallized by rhombohedral symmetry

The in situ diagnostic of the composition and content of the first wall materials in tokamak devices is an important research interest of the plasma-wall interaction. Laser-induced breakdown spectroscopy (LIBS) has become an attractive tool for in situ diagnostic of the first wall materials. It has the ability to analyze the composition of the first wall remotely and on-line without sample manipulation

Microplasmas have pulled an extensive consideration in different applications, however, their application to metamaterials is a totally different and promising assessment target. In this way, we employed the quantum fluid model and the Maxwell equations to study the interaction between high dense plasma metamaterial and electromagnetic waves. The dispersion relation is deduced for transverse waves

A volume-averaged model is used to study the self-pulsing operation of a micro hollow cathode discharge in helium. An equivalent circuit with a nonlinear resistance is employed to model the discharge in this regime. The effects of the applied voltage and the gas pressure on the self-pulsing frequency, particle densities, and electron temperature are carefully studied. The simulation results are also

Experimental α-decay half-life, spin, and parity of 398 nuclei in the range Z are utilized to propose a new formula (QF) with only 4 coefficients as well as to modify the Tagepera-Nurmia formula with just 3 coefficients (MTNF) by employing nonlinear regressions. These formulas, based on reduced mass (μ) and angular momentum taken away by the α-particle, are ascertained very effective for both favoured

The purpose of this paper is to enhance the conventional Komar integral to asymptotically anti-de Sitter (AdS) black holes. In order to do so, we first obtain a potential that is the linear combination of the usual Komar potential with two third-order derivative terms generated by the action of the d’Alembertian operator and the exterior derivative upon a Killing vector. Then this higher-order corrected

Laser stripping paint was studied with a pulsed laser in our work, which focuses on the effect of the process parameters, and on the understanding of the mechanism of this type of technology. Regarding the characterization of the stripping surface, surface morphology and surface roughness had been determined by a three-dimensional profilometer. The orthogonal optimization experiment had been carried

Hyperentangled states are vitally important for resource economy as they have exponential encoding capabilities per quantum entity. Apart from photonic hyperentanglements, only few proposals exist based on atomic systems. The present article discusses the schematics to generate hyperentangled atomic quantum networks in both internal states and external atomic momenta via cavity QED setup using the

The introduction of Lvy noise in stochastic Hepatitis B epidemic model SACVR for comprehending its dynamical behavior and related impacts are focused in this work. For this purpose, the existence, and the uniqueness of the positive solution are proved at first. Then, we establish a stochastic threshold as a sufficient condition for the extinction and persistence in mean of the disease. Further, convert

In this paper, we considered a complex real-world problem with existing mathematical equations. These equations were converted to fractional-stochastic differential and integral equations. Analysis of existence and uniqueness was presented for each case. Numerical simulations have been performed for different values of fractional orders and the density of randomness. We discuss in detail the results