Results 261 to 270 of about 393,521 (316)

Ferroelectricity in Antiferromagnetic Wurtzite Nitrides

Advanced Functional Materials, EarlyView.
We establish MnSiN2${\rm MnSiN}_2$ and MnGeN2${\rm MnGeN}_2$ as aristotypes of a new multiferroic wurtzite family that simultaneously exhibits ferroelectricity and antiferromagnetism with altermagnetic spin splitting. By strategically substituting alkaline‐earth metals, we predict new materials with coexisting switchable polarization, spin texture, and
Steven M. Baksa, Lin‐Ding Yuan, Stephen D. Wilson, James M. Rondinelli   +3 more
wiley   +1 more source

Polarizable Vanadium Dipoles Promote Water Dissociation on Vanadium‐Based Metal Organic Framework

Advanced Functional Materials, EarlyView.
The polarization of unpaired V 3d electrons weakens the H─O bond to improve water dissociation by the dual Vδ+:O─H and Pλ−:H─O coupling hydrogen bonds formation and relaxation. P@V‐MOF electrocatalyst shows low overpotentials (94 mV in acid, 178 mV in neutral, and 77 mV in alkaline solutions) with excellent stability for effective overall water ...
Xinjuan Liu, Jun Xu, Minmin Fan, Jingcheng Xu, Mengyuan Li, Yun Gong, Weiwei Yang, Lei Li, Yong Zhou, Deqiang Zhao, Yuhua Xue, Xingtao Xu, Chang Q. Sun, Liming Dai   +13 more
wiley   +1 more source

Intermediate Resistive State in Wafer‐Scale Vertical MoS2 Memristors Through Lateral Silver Filament Growth for Artificial Synapse Applications

Advanced Functional Materials, EarlyView.
In MOCVD MoS2 memristors, a current compliance‐regulated Ag filament mechanism is revealed. The filament ruptures spontaneously during volatile switching, while subsequent growth proceeds vertically through the MoS2 layers and then laterally along the van der Waals gaps during nonvolatile switching.
Yuan Fa, Milan Buttberg, Ke Ran, Rana Walied Ahmad, Dennis Braun, Lukas Völkel, Jimin Lee, Sofía Cruces, Bart Macco, Bárbara Canto, Holger Lerch, Thorsten Wahlbrink, Holger Kalisch, Michael Heuken, Andrei Vescan, Joachim Mayer, Zhenxing Wang, Ilia Valov, Stephan Menzel, Max C. Lemme   +19 more
wiley   +1 more source

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Oxide Heterostructure Resistive Memory

Nano Letters, 2013
Resistive switching devices are widely believed as a promising candidate for future memory and logic applications. Here we show that by using multilayer oxide heterostructures the switching characteristics can be systematically controlled, ranging from unipolar switching to complementary switching and bipolar switching with linear and nonlinear on ...
Yuchao, Yang, ShinHyun, Choi, Wei, Lu
openaire   +2 more sources

Screening for Oxidative Resistance

2004
Publisher Summary This chapter discusses the screening of amino acid for oxidative resistance. The oxidation of amino acid side chains in proteins has long been recognized as a primary pathway for functional inactivation. It is found that whether a protein drug targeted for intracellular action or an enzyme formulated into laundry detergent ...
Joel R, Cherry, Michael H, Lamsa
openaire   +2 more sources

Oxidation-Resistant Gold-55 Clusters

Science, 2002
Gold nanoparticles ranging in diameter from 1 to 8 nanometers were prepared on top of silicon wafers in order to study the size dependence of their oxidation behavior when exposed to atomic oxygen. X-ray photoelectron spectroscopy showed a maximum oxidation resistance for “magic-number” clusters containing 55 gold atoms.
Boyen, H., Kastle, G., Weigl, F., Koslowski, B., Dietrich, C., Ziemann, P., Spatz, J., Riethmuller, S., Hartmann, C., Moller, M., Schmid, G., Garnier, M., Oelhafen, P.   +12 more
openaire   +4 more sources

Oxidation resistance of biodiesel

Russian Journal of Applied Chemistry, 2017
Oxidation resistance of biodiesel synthesized by ester interchange of vegetable oil and animal fat triglycerides with methanol was studied. When stored under common conditions (in the dark at 20–25°С), the biodiesel is stable for no less than a year. However, the thermal oxidation resistance of biodiesel is low.
E. B. Shevchenko, A. M. Danilov, V. N. Kameneva   +2 more
openaire   +1 more source