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108 Result(s)
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Article
Enhanced ferroelectric and photoelectric properties in lead-free Bi1.07FeO3-modified K0.5Na0.5NbO3 thin films
Lead-free (K0.5Na0.5NbO3)0.97–(Bi1.07FeO3)0.03 (KNN–BFO) ferroelectric thin films were epitaxially grown on LaNiO3-buffered SrTiO3(STO) by the pulsed laser deposition. The influence of the BiFeO3 addition on the ...
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Article
Open AccessSegregation-Assisted Plasticity in Ni-Based Superalloys
Correlative high-resolution transmission electron microscopy and energy-dispersive X-ray spectroscopy are used to study deformation-induced planar faults in the single-crystal superalloy MD2 crept at 800 °C an...
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Article
Prediction of Precipitation Strengthening in the Commercial Mg Alloy AZ91 Using Dislocation Dynamics
Dislocation dynamics simulations were used to predict the strengthening of a commercial magnesium alloy, AZ91, due to β-Mg17Al12 formed in the continuous precipitation mode. The precipitate distributions used in ...
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Article
Effect of organic carbon on the production of biofuel nitrous oxide during the denitrification process
The carbon source plays an important role in denitrification for nitrogen removal from wastewater. In this study, the denitrification performance and nitrous oxide (N2O) generation in four sequencing batch reacto...
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Article
Polarization modulation resistive switching in a lead-free ferroelectric Pt/Bi0.5Na0.5TiO3/La0.67Sr0.33MnO3 sandwiched heterostructure
High-quality lead-free Bi0.5Na0.5TiO3 (BNT)/La0.67Sr0.33MnO3 (LSMO) bilayer was grown on SrTiO3 crystal by pulsed laser deposition method. Ferroelectric and electrical properties of the Pt/BNT/LSMO heterostructur...
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Article
Open AccessUltra-large non-volatile modulation of magnetic moments in PbZr0.2Ti0.8O3/MgO/La0.7Sr0.3MnO3 heterostructure at room temperature via interfacial polarization mediation
Multiferroic hybrid structures PbZr0.2Ti0.8O3 (PZT)/La0.7Sr0.3MnO3 (LSMO) and PZT/MgO/LSMO were epitaxially deposited on (001) Nb:SrTiO3 crystals. Crystallinity and ferroelectric domain structures were investigat...
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Article
Heteroepitaxial Pb0.9Sr0.1TiO3/Bi0.9La0.1FeO3/Pb0.9Sr0.1TiO3 multiferroic structure: an effective way to improve the electrical, ferroelectric and magnetic performance
A ferroelectric/multiferroic structure composed of (Pb0.9Sr0.1)TiO3 (PST) and (Bi0.9La0.1)FeO3 (BLF) was heteroepitaxially deposited on a LaNiO3 buffered (001) SrTiO3 substrate by pulse laser deposition. Interest...
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Chapter and Conference Paper
Coherent Diffractive Imaging with a Laboratory-Scale, Gas-Discharge Plasma Extreme Ultraviolet Light Source
Coherent diffractive imaging (CDI) and related techniques enable a new type of diffraction-limited high resolution microscopy and have been widely used in the extreme ultraviolet (EUV) and X-ray communities. I...
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Chapter
Microsegregation in High Pressure Die Cast AM70
High pressure die casting (HPDC) is the predominant manufacturing method for magnesium alloy automotive components. Cooling rates during HPDC may reach 300°C/s; however, the phase transformation kinetics in th...
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Article
Open AccessIntravaginal HPV DNA vaccination with electroporation induces local CD8+ T-cell immune responses and antitumor effects against cervicovaginal tumors
Therapeutic human papillomavirus (HPV) vaccines have the potential to inhibit the progression of an established HPV infection to precancer and cancer lesions by targeting HPV oncoproteins. We have previously d...
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Article
Open AccessLow-energy Resistive Random Access Memory Devices with No Need for a Compliance Current
A novel resistive random access memory device is designed with SrTiO3/ La2/3Sr1/3MnO3 (LSMO)/MgAl2O4 (MAO)/Cu structure, in which metallic epitaxial LSMO is employed as the bottom electrode rather than traditiona...
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Article
Open AccessStrain-mediated electric-field control of exchange bias in a Co90Fe10/BiFeO3/SrRuO3/PMN-PT heterostructure
The electric-field (E-field) controlled exchange bias (EB) in a Co90Fe10/BiFeO3 (BFO)/SrRuO3/PMN-PT heterostructure has been investigated under different tensile strain states. The in-plane tensile strain of the ...
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Article
Perpendicular magnetic anisotropy and thermal stability in Co2FeAl0.5Si0.5/Pt multilayers
Perpendicular magnetic anisotropy (PMA) and thermal stability of Co2FeAl0.5Si0.5 (CFAS)/Pt multilayer structure prepared by dc magnetron sputtering have been studied. It is found that the strength of PMA depends ...
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Article
Fluorescence Spectrometry of the Interaction of Multi-Walled Carbon Nanotubes with Catalase
The interaction of multi-walled carbon nanotubes (MWCNTs) with catalase is investigated using fluorescence and circular dichroism spectroscopic techniques. The results of the fluorescence experiments suggest t...
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Article
Improved electrical and ferroelectric properties of multiferroic Na0.5Bi0.5TiO3/Bi1.07Nd0.03FeO3/Na0.5Bi0.5TiO3 sandwiched structure by a sol–gel process
A ferroelectric/multiferroic/ferroelectric sandwiched structure composed by Na0.5Bi0.5TiO3 (NBT) and Bi1.07Nd0.03FeO3 (BNF) with a LaNiO3 buffer layer were prepared by a sol–gel method. X-ray diffraction indicate...
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Article
Enhanced ferroelectric and UV photocatalytic properties in a Bi4Ti3O12@ZnO core–shelled nanostructure
Composited Bi4Ti3O12@ZnO nanoparticles with a core of Bi4Ti3O12 (BIT) and a shell of ZnO have been synthesized by liquid chemical reaction method. Compared with pure BIT nanoparticles, the ferroelectricity in BIT...
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Article
Enhanced electrical and ferroelectric properties in a multiferroic (BiFeO3/Bi0.5Na0.5TiO3)3/LaNiO3 superlattices structure
Artificial multiferroic superlattices (SL), consisting of BiFeO3 (16 nm)/Bi0.5Na0.5TiO3 (5 nm) (BFO/BNT SL), were grown on (001) SrTiO3 single crystal by pulsed laser deposition method. The cross-sectional, surfa...
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Article
Open AccessTargeting annexin A7 by a small molecule suppressed the activity of phosphatidylcholine-specific phospholipase C in vascular endothelial cells and inhibited atherosclerosis in apolipoprotein E−/− mice
Phosphatidylcholine-specific phospholipase C (PC-PLC) is a key factor in apoptosis and autophagy of vascular endothelial cells (VECs), and involved in atherosclerosis in apolipoprotein E−/− (apoE−/−) mice. But th...
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Article
Protein tyrosine kinase 6 protects cells from anoikis by directly phosphorylating focal adhesion kinase and activating AKT
Protein tyrosine kinase 6 (PTK6) is a non-receptor tyrosine kinase expressed in epithelial cancers. Disruption of Ptk6 decreases azoxymethane-induced colon tumorigenesis in mice by preventing signal transducer an...
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Article
Open AccessImproved luminosity determination in pp collisions at \(\sqrt {s} = 7\ \mathrm{TeV}\) using the ATLAS detector at the LHC
The luminosity calibration for the ATLAS detector at the LHC during pp collisions at \(\sqrt{s} = 7~\mathrm{TeV}\) in 2010 and 20...