36,206 Results Found

We demonstrated p-type conduction in MoS₂ grown with phosphorous pentoxide via chemical vapor deposition (CVD). Monolayer MoS₂ with a triangular shape and 15-µm grains was confirmed by atomic force microscopy. The difference between the Raman s...

In this paper, we use $(p,q)$-integral to establish some Fejér type inequalities. In particular, we generalize and correct existing results of quantum Fejér type inequalities by using new techniques and showing some problematic parts of those results....

In this paper, we define a new Kantorovich-type $\left(p,q\right)$-generalization of the Balázs–Szabados operators. We derive a recurrence formula, and with the help of this formula, we give explicit formulas for the first and second-order moments, w...

The main aim of this article is to investigate some interesting symmetric identities for the Dirichlet-type multiple $(p,q)$-L function. We use this function to examine the symmetry of the generalized higher-order $(p,q)$-Euler polynomials related to $\mathrm{\&ch}$...

The graphene adjustable-barriers phototransistor is an attractive novel device for potential high speed and high responsivity dual-band photodetection. In this device, graphene is embedded between the semiconductors silicon and germanium. Both n-type...

This review reports the properties of p-type semiconductors with nanostructured features employed as photocathodes in photoelectrochemical cells (PECs). Light absorption is crucial for the activation of the reduction processes occurring at the p-type...

In this paper, we define a new form of Carlitz’s type degenerate twisted $(p,q)$-Euler numbers and polynomials by generalizing the degenerate Euler numbers and polynomials, Carlitz’s type degenerate q-Euler numbers and polynomials. Some interesting ide...

Photocatalytic technology holds significant promise for sustainable development and environmental protection due to its ability to utilize renewable energy sources and degrade pollutants efficiently. In this study, BiOI nanosheets (NSs) were synthesi...

A series of quinoidal oligothiophenes terminated with carbonyl groups (nTDs, n = 2–4) are studied as p-type organic semiconductors for the active materials in organic field-effect transistors (OFETs) both by the theoretical and experimental app...

The main goal of this paper is to investigate some interesting symmetric identities for Carlitz-type higher-order degenerate $(p,q)$ -Euler numbers, and polynomials. At first, the Carlitz-type higher-order degenerate $(p,q)$ -Euler...

Forest type classification using spaceborne remote sensing is a challenge. Low-frequency Synthetic Aperture Radar (SAR) signals (i.e., P-band, ∼0.69 m wavelength) are needed to penetrate a thick vegetation layer. However, this measurement alone does...

Integral form expressions are obtained for the Mathieu-type series and for their associated alternating versions, the terms of which contain a $(p,\nu )$-extended Gauss hypergeometric function. Contiguous recurrence relations are found for the Mathieu-...

Type I and P pili are chaperone-usher pili of uropathogenic Escherichia coli, which allow bacteria to adhere to host cell receptors. Pilus formation and secretion are orchestrated by two accessory proteins, a chaperone, which catalyses pilus subunit...

Soil salinity is one of the major factors obstructing the growth and development of agricultural crops. Eukaryotes have two main transport systems involved in active Na⁺ removal: cation/H⁺ antiporters and Na⁺-P-type ATPases. Key transport proteins, N...

Screening for potential new materials with experimental and theoretical methods has led to the discovery of many promising candidate materials for p-type transparent conducting oxides. It is difficult to reliably assess a good p-type transparent cond...

While p-type transparent conducting materials (TCMs) are crucial for many optoelectronic applications, their performance is still not satisfactory. This has impeded the development of many devices such as photovoltaics, sensors, and transparent elect...

Nitrogen-doped lithium niobate (LiNbO₃:N) thin films were successfully fabricated on a Si-substrate using a nitrogen plasma beam supplied through a radio-frequency plasma apparatus as a dopant source via a pulsed laser deposition (PLD). The films wer...

Single crystal silicon solar cells are still predominant in the market due to the abundance of silicon on earth and their acceptable efficiency. Different solar-cell structures of single crystalline Si have been investigated to boost efficiency; the...

P-type ATPases form a large and ubiquitous superfamily of ion and lipid transporters that use ATP (adenosine triphosphate) to carry out their function. The IB subclass (P_IB-ATPases) allows flux of heavy metals and are key players in metal detoxificat...

In the present study, we introduce the two-dimensional Chlodovsky-type Bernstein operators based on the $(p,q)$-integer. By leveraging the inherent symmetry properties of $(p,q)$-integers, we examine the approximation properties of our new operator with...

In this paper we define the degenerate Carlitz-type $(p,q)$ -Euler polynomials by generalizing the degenerate Euler numbers and polynomials, degenerate Carlitz-type q-Euler numbers and polynomials. We also give some theorems and exact formul...

The continuous growth of energy-efficient electronic devices and compact systems has motivated researchers to develop TFTs based on p-type semiconductors. This review examines the developments in p-type thin-film transistors (TFTs) processed using so...

p-Type doping represents a key step towards III-nitride (InN, GaN, AlN) optoelectronic devices. In the past, tremendous efforts have been devoted to obtaining high quality p-type III-nitrides, and extraordinary progress has been made in both material...

We report the synthesis and characterization of the first example of an organic dye, PP1, for p-type dye-sensitized solar cells (DSCs) bearing a phosphonic acid anchoring group. PP1 is structurally related to the benchmarking dye, P1, which possesses...

Zinc oxide (ZnO) is a wide bandgap semiconductor that holds significant potential for various applications. However, most of the native point defects in ZnO like Zn interstitials typically cause an n-type conductivity. Consequently, achieving p-type...

Gas sensors are an important part of smart homes in the era of the Internet of Things. In this work, we studied Ti-doped P-type WO₃ thin films for liquefied petroleum gas (LPG) sensors. Ti-doped tungsten oxide films were deposited on glass substrates...

P-type ATPases are transmembrane pumps of cations and phospholipids. They are energized by hydrolysis of ATP and play important roles in a wide range of fundamental cellular and physiological processes during plant growth and development. However, th...

This work reports on the role of structure and composition on the determination of the performances of p-type SnO_x TFTs with a bottom gate configuration deposited by rf magnetron sputtering at room temperature, followed by a post-annealed step up to...

This review focuses on the synthesis of p-type metal-oxide (p-type MOX) semiconductor thin films, such as CuO, NiO, Co₃O₄, and Cr₂O₃, used for chemical-sensing applications. P-type MOX thin films exhibit several advantages over n-type MOX, including...

Despite the increasing trend of n-type silicon wafer utilization in the manufacturing of high-efficiency heterojunction solar cells due to the superior advantages over p-type counterparts, its high manufacturing cost remains to be one of the most cru...

Cu₃N with a cubic crystal structure is obtained in this paper by the sputtering of Cu under N₂ followed by annealing under NH₃: H₂ at 400 °C, after which it was doped with iodine at room temperature resulting into p-type Cu₃N with hole densities...

In this work, the piezoresistive properties of heavily doped p-type 4H-SiC at room temperature were investigated innovatively. It was verified by a field emission scanning electron microscope (FESEM), X-ray diffraction (XRD), and laser Raman spectros...

As a promising third-generation semiconductor, ${\mathsf{\beta }\text{-}\mathrm{Ga}}_2{\mathrm{O}}_3$ is facing bottleneck for its p-type doping. We investigated the electronic structures and the stability of various Cu doped structures of ${\mathsf{\beta }\text{-}\mathrm{Ga}}_2{\mathrm{O}}_3$. We found that Cu atoms substituting Ga atoms res...

Electronic devices based on two-dimensional (2D) MoS₂ show great promise as future building blocks in electronic circuits due to their outstanding electrical, optical, and mechanical properties. Despite the high importance of doping of these 2D mater...

P-type point contact (PPC) germanium detectors are used in rare event and low-background searches, including neutrinoless double beta (0νββ) decay, low-energy nuclear recoils, and coherent elastic neutrino-nucleus scattering. The detectors feature an...

In this paper, we investigate the existence of solutions for a class of p-Laplacian fractional order Kirchhoff-type system with Riemann–Liouville fractional derivatives and a parameter $\lambda$ . By mountain pass theorem, we obtain that sy...

Radiant tubes are essential in industrial furnaces, with thermal efficiency often improved by extending the tube length which reduces durability and complicates production. Integrating finned-tube heat exchangers enhances durability without lengtheni...

In this work, we show the performance improvement of p-type thin-film transistors (TFTs) with Ge ${}_2$ Sb ${}_2$ Te ${}_5$ (GST) semiconductor layers on flexible polyimide substrates, achieved by downscaling of the GST thickness. Prior works...

As wide bandgap semiconductors, gallium nitride (GaN) lateral high-electron-mobility transistors (HEMTs) possess high breakdown voltage, low resistance and high frequency performance. PGaN gate HEMTs are promising candidates for high-voltage, high-po...

In this paper, we investigate a fractional $p(·)$-Kirchhoff type problem involving variable exponent logarithmic nonlinearity. With the help of the Nehari manifold approach, the existence and multiplicity of nontrivial weak solutions for the abo...

When $2-1/Q<p\le 2$, we establish the $C_{\mathrm{loc}}^{0,1}$ and $C_{\mathrm{loc}}^{1,\alpha }$-regularities of weak solutions to quasi-linear p-Laplacian type non-homogeneous equations in the Heisenberg group ${\mathbb{H}}^n$, where $Q=2n+2$ is the homogeneous dimension of ${\mathbb{H}}^n$.

p-type Ag-N dual acceptor doped ZnO thin films with long electrical stability were deposited by DC magnetron reactive co-sputtering technique. After deposition, the films were annealed at 400 °C for one hour in a nitrogen-controlled atmosphere. T...

Making use of a post-quantum derivative operator, we define two classes of meromorphic analytic functions. For the considered family of functions, we aim to investigate the sharp bounds’ values in the case of the Fekete–Szegö problem. The study of th...

Considering the increasing global demand for energy and the harmful ecological impact of conventional energy sources, it is obvious that development of clean and renewable energy is a necessity. Since the Sun is our only external energy source, harne...

This paper mainly studies the existence of sign-changing solutions for the following $p\left(x\right)$-biharmonic Kirchhoff-type equations: $-\left(a+b{\int }_{{\mathbb{R}}^N}{\displaystyle \frac{1}{p\left(x\right)}}{|\Delta u|}^{p\left(x\right)}\mathrm{d}x\right){\Delta }_{p\left(x\right)}^{2}u+V\left(x\right){|u|}^{p\left(x\right)-2}u$ = $K\left(x\right)f\left(u\right),x\in {\mathbb{R}}^N$, where ${\Delta }_{p\left(x\right)}^{2}u=\Delta \left({|\&Del}^{}\right)$...

Reported herein is the atomic layer deposition (ALD) of novel ternary ZnCo_xO_y films possessing p-type semiconducting behavior. The preparation comprises of optimized ZnO and Co₃O₄ deposition in sub-cycles using the commercially available precursors c...

Two-dimensional (2D) MoS₂ has recently become of interest for applications in broad range photodetection due to their tunable bandgap. In order to develop 2D MoS₂ photodetectors with ultrafast response and high responsivity, up-scalable techniques fo...

This study aimed to analyze the relationship between cutaneous microcirculation reactivity, retinal circulation, macrocirculation function, and specific adhesion molecules in young patients with uncomplicated type 1 diabetes. Fifty-five patients with...

The electrical properties of contacts to p-type nitride semiconductor devices, based on gallium nitride, were simulated by ab initio and drift-diffusion calculations. The electrical properties of the contact are shown to be dominated by the electron-...

Yb and In double-filled and Fe substituted polycrystalline p-type skutterudite antimonides were synthesized by direct reaction of high-purity elements, followed by solid-state annealing and densification by hot pressing. The stoichiometry and filling...