Ceria nanoparticles are one of the key abrasive materials for chemical-mechanical planarization advanced integrated circuits. However, ceria synthesized by existing techniques irregularly faceted, and they scratch silicon wafers increase defect concentrations. We developed an approach large-scale synthesis single-crystal nanospheres that can reduce polishing defects 80% silica removal rate 50%, facilitating precise reliable mass-manufacturing chips nanoelectronics. doped system with...

Potassium‐ion batteries (KIBs) in organic electrolytes hold great promise as an electrochemical energy storage technology owing to the abundance of potassium, close redox potential lithium, and similar electrochemistry with lithium system. Although carbon materials have been studied KIB anodes, investigations on cathodes scarcely reported. A comprehensive study potassium Prussian blue K 0.220 Fe[Fe(CN) 6 ] 0.805 ⋅4.01H 2 O nanoparticles a cathode material is for first time The exhibits high...

Supercapacitors (SCs) are considered promising energy storge systems because of their outstanding power density, fast charge and discharge rate long-term cycling stability. The exploitation cheap efficient electrode materials is the key to improve performance supercapacitors. As battery-type materials, transition metal phosphides (TMPs) possess high theoretical specific capacity, good electrical conductivity superior structural stability, which have been extensively studied be for In this...

Traditional vanadium dioxide (VO2) material faced severe challenges of low stability in acid, humid, and oxygenic environments, which hinder its real applications. Here, we report a facile improving process can enhanced the VO2 nanocrystals environments above. Ascorbic acid (AA), as an important antioxidant for organism medicine biology, was ingeniously used enhancing antioxidation abilities inorganic material. At same time, AA could generate hydrogen doping occurred on surface nanocrystals,...

We demonstrate the enhancement in sensitivity of half Wheatstone bridge configurated magneto-resistive sensors with a design magnetic flux guide. The efficacy our guide design, comparison to conventional micro-magnetic concentrator for improving gain, is studied using finite element method and verified experimental result. observed 260%/mT sensor very small coercivity 0.01 mT at room temperature. Our work will contribute paving road map mass production sensitive footprints (2.5 mm2 this study).

Clinical resistance to amikacin and other aminoglycosides is usually due the enzymatic acetylation of antimicrobial molecule. A ubiquitous enzyme among Gram-negatives aminoglycoside 6′-N-acetyltransferase type Ib [AAC(6′)-Ib], which catalyzes using acetyl-CoA as a donor substrate. Therapies that combine antibiotic an inhibitor inactivation reaction could be alternative treat infections caused by resistant bacteria. We previously observed metal ions such Zn2+ or Cu2+ in complex with...

Exoglycosidase digestion coupled with matrix-assisted laser desorption/ionization mass spectrometry (MALDI-MS) is an effective technique for sequencing the N-linked carbohydrate side chains of a glycoprotein. However, buffers currently used in enzymatic procedures are detrimental to MALDI-MS, and thus desalting required before products can be analyzed. We demonstrate that 25 mM ammonium acetate solution adjusted proper pH replace normal exoglycosidase buffers. The use these solutions permits...

Large differences of magnetic coercivity (HC), exchange coupling field (HE), and tunneling magnetoresistance ratio (TMR) in tunnel junctions with different coupled free layers are discussed. We demonstrate that the magnetization behavior layer is not only dominated by interfacial barrier but also affected largely or non-magnetic layers. All these parameters sensitively controlled nanostructure, which can be tuned annealing process. The optimized sensors exhibit a large sensitivity up to...

Abstract In electric vehicles, accurate SOC can provide and reliable residual power for drivers, which is the target value of a judgment method to effectively avoid overcharge or over discharge battery pack [4] . However, due nonlinear characteristic value, its specific cannot be directly measured by instruments equipment. The final estimation only carried out monitoring parameters such as current voltage. order achieve high-precision prediction state charge (SOC) lithium iron phosphate...

A sensitive and facile method is described to identify the glycosylation sites site-specific heterogeneity in carbohydrate attached glycoproteins. In this procedure, peptide backbone of glycoprotein cleaved enzymatically. The resulting peptide/glycopeptide mixture divided into three fractions. first analyzed directly by matrix-assisted laser desorption/ionization mass spectrometry (MALDI-MS), while other two aliquots are MALDI-MS after enzymatic release N-linked chains N- O-linked chains....

In this paper, the status and challenges of utilizing MTJ based magnetic sensor for Grid sensing are reviewed. And it is shown with both modeling experiment that an optimized can be utilized to monitor current, particularly each individual transmission line. Unlike traditional approach, where element needs either integrated with, in contact or near line, measurement technique on a contactless “remote” setup, placed away from From perspective sensor, sensitivity, signal-to-noise ratio...

Mo-doped SnO2 (MTO) nanowires are synthesized by an in-situ doping chemical vapour deposition method. Raman scattering spectra indicate that the lattice symmetry of MTO lowers with increase Mo doping, which implies ions do enter into nanowire. Ultraviolet-visible diffuse reflectance show band gap decreases concentration. The photoluminescence emission around 580 nm at room temperature can also be controlled accurately Mo-doping, and it is extremely sensitive to will disappear when atomic...

A novel magnetic flux guiding structure that connects laminated micro concentrators (MFCs) and tunnel junctions (MTJs) for increased sensitivity in magnetoresistive sensors is studied. In this structure, with only deposited MFCs, a gain of about 24 density achieved, which provides new approach to further improving the small footprints. Also, external MFCs added, very high overall 2760 as <inline-formula xmlns:mml="http://www.w3.org/1998/Math/MathML"...

The development of high-sensitivity magnetic field sensors at low frequencies and ambient temperatures is great importance for many practical applications, where different aspects the sensor performance need to be considered. In this paper, it presented that by tuning nanostructures free layers in tunnel junctions, widedynamic-range or ultra-high-sensitivity tunneling magnetoresistive can obtained. Tunneling with a linear response from -75 mT +75 are demonstrated. Also, demonstrated an...

Lithium ion battery as a kind of new energy is promising storage medium for electric and hybrid vehicles with their characteristics lightness high density. However, some accidents about fire or explosion remind us to focus on reliability safety issues. Thus, life prediction the essential part should be considered during design phrase batteries guarantee level. In this paper, method based gas production model has been proposed. Firstly, analysis result actual mechanism, types chemical...

A simple and practical ac modulation method to reduce the hysteresis in tunneling magnetoresistive (TMR) sensor is demonstrated. It shown that with a suitable magnetic field applied along sensing direction of TMR sensor, can be reduced negligible level. Also, depending on amplitude field, sensitivity dynamic range tuned meet requirements specific applications. The influence noise also studied.

In article 1604307, potassium Prussian blue nanoparticles are investigated by Y. Lei and co-workers as cathode materials for potassium-ion batteries exhibit great electrochemical performance. The cover illustrates the successful demonstration of a full cell coupling with commercially available carbon materials. Considering low cost material sustainability, this work highlights promise storage.

Using Sn and SnO powder as source material, SnO2 one-dimensional nanostructures (nanowires, nanorods, nanobelt nanoneedles) with controllable diameters were successfully prepared by chemical vapor deposition. The nanostructure morphology of the products depend strongly on proportion oxygen in growth chamber, which can be altered adjusting material or carrier gas. It is crucial to adjust relative contents O atoms region high temperature Si wafer during controlled preparation nanostructures....

The effect of a laminated structure on Conetic films made with sputtering deposition is investigated for application in micro magnetic flux concentrators. It demonstrated that even the total thickness being several micrometers, can exhibit significantly reduced coercivity and saturation field compared to single-layer same thickness. On micrometer level, reduction stress magnetostriction should be major reason improved softness films, while cross-layer magnetostatic coupling also helpful....

In this study, a hysteresis reduction technique for tunneling magnetoresistive (TMR) sensor low magnetic field sensing is proposed, where small ac modulation applied. The tunnel junctions (MTJs) were connected into an asymmetric Wheatstone bridge to form sensor, and the output voltage of TMR was measured using test along sensor&#x2019;s direction. results showed that in can be effectively reduced exhibit linear response. Further, frequency response studied. Finally, feasibility low-field...