Results 231 to 240 of about 1,018,221 (292)
Advanced Functional Materials, EarlyView.Cephalopod‐inspired photonic microparticles with dynamic structural coloration are fabricated via confined self‐assembly of linear block copolymers into ellipsoids containing stacked lamellae. Embedded superparamagnetic nanoparticles enable rapid magnetic alignment, restoring vivid, angle‐dependent color.
Gianluca Mazzotta +8 more
wiley +1 more source
Novel Functional Materials via 3D Printing by Vat Photopolymerization
Advanced Functional Materials, EarlyView.This Perspective systematically analyzes strategies for incorporating functionalities into 3D‐printed materials via Vat Photopolymerization (VP). It explores the spectrum of achievable functionalities in recently reported novel materials—such as conductive, energy‐storing, biodegradable, stimuli‐responsive, self‐healing, shape‐memory, biomaterials, and
Sergey S. Nechausov +3 more
wiley +1 more source
Advanced Functional Materials, EarlyView.This study develops a novel atomic engineering strategy to fine‐tune the spin state of α‐Fe2O3 catalysts toward a medium‐spin state, thereby modulating peroxymonosulfate activation and selectively yielding surface‐bound radicals. Compared with free radicals, surface‐bound radicals exhibit moderated oxidation potential, extended lifespan, surface ...
Shuyu Wang +7 more
wiley +1 more source
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Nature, 2001
The detection of strongly magnetized ancient crust on Mars is one of the most surprising outcomes of recent Mars exploration, and provides important insight about the history and nature of the martian core. The iron-rich core probably formed during the hot accretion of Mars approximately 4.5 billion years ago and subsequently cooled at a rate dictated ...
openaire +3 more sources
The detection of strongly magnetized ancient crust on Mars is one of the most surprising outcomes of recent Mars exploration, and provides important insight about the history and nature of the martian core. The iron-rich core probably formed during the hot accretion of Mars approximately 4.5 billion years ago and subsequently cooled at a rate dictated ...
openaire +3 more sources
IEEE Transactions on Communication and Electronics, 1964
THIS PAPER reports the results of studies on improving the characteristics of storage integrator cores used to enhance target detection capability in Doppler radar systems. The cores integrate the total spectral output (reflected signals plus noise) of the radar receiver, effectively summing only those repetitive reflected signals (target echoes) above
D. W. Zehner, I. I. Kaplan
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THIS PAPER reports the results of studies on improving the characteristics of storage integrator cores used to enhance target detection capability in Doppler radar systems. The cores integrate the total spectral output (reflected signals plus noise) of the radar receiver, effectively summing only those repetitive reflected signals (target echoes) above
D. W. Zehner, I. I. Kaplan
openaire +1 more source
Engineered Magnetic Core-Shell Structures
Current Pharmaceutical Design, 2015In recent years, engineered magnetic core-shell structures are playing an important role in the wide range of various applications. These magnetic core-shell structures have attracted considerable attention because of their unique properties and various applications.
Mir Mohammad, Alavi Nikje +1 more
openaire +2 more sources
Vortex Core-Driven Magnetization Dynamics
Science, 2004Time-resolved x-ray imaging shows that the magnetization dynamics of a micron-sized pattern containing a ferromagnetic vortex is determined by its handedness, or chirality. The out-of-plane magnetization in the nanometer-scale vortex core induces a three-dimensional handedness in the planar magnetic structure, leading to a precessional motion of the ...
S B, Choe +6 more
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Multifunctional core–shell magnetic cisplatin nanocarriers
Chemical Communications, 2009Towards an integrated multifunctional nanocarrier, core-shell nanostructures have been developed using the electrostatic self-assembly of an organic shell onto magnetic nanoparticles.
Thierry, Benjamin +7 more
openaire +4 more sources
Pulse Magnetization of Strap Toroidal Magnetic Core
IEEE Transactions on Plasma Science, 2019Diffusion of the pulse magnetic field into the metal of the toroidal magnetic core wound by a transformer steel strap is considered. The 1-D numerical model has been developed, which takes into account the viscous-type dynamic losses of magnetization, as well as the eddy currents.
Boris E. Fridman +3 more
openaire +1 more source
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 1998
Abstract A transformer made for impedance matching of detector and preamplifier is considered like a dissipative two-port network. The noise voltage, induced by ferrite core of transformer on the receiver end, is derived from first principles. An inductance of transformer windings is considered to be finite and no additional shunt magnetizing ...
N. Fedyakin +2 more
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Abstract A transformer made for impedance matching of detector and preamplifier is considered like a dissipative two-port network. The noise voltage, induced by ferrite core of transformer on the receiver end, is derived from first principles. An inductance of transformer windings is considered to be finite and no additional shunt magnetizing ...
N. Fedyakin +2 more
openaire +1 more source