Results 21 to 30 of about 6,554 (262)

Crystal growth and property characterization for PIN–PMN–PT ternary piezoelectric crystals [PDF]

open access: yesJournal of Advanced Dielectrics, 2014
Binary piezoelectric crystal Pb(Mg1/3Nb2/3)O3–PbTiO3 (PMN–PT) has excellent dielectric and piezoelectric properties, which has led to the commercialization for medical ultrasound imaging.
Jian Tian, Pengdi Han
doaj   +1 more source

Approximate Solution of Inverse Problem for Elliptic Equation with Overdetermination

open access: yesAbstract and Applied Analysis, 2013
A …finite difference method for the approximate solution of the inverse problem for the multidimensional elliptic equation with overdetermination is applied.
Charyyar Ashyralyyev, Mutlu Dedeturk
doaj   +1 more source

Microstructure and magnetism of Ga+-irradiated IrMn-based spin-valve multilayered film

open access: yesAIP Advances, 2020
An IrMn top-nailed spin-valve multilayer film was synthesized using direct-current magnetron sputtering on a naturally oxidized silicon substrate. The multilayered film microstructure and magnetism were analyzed using x-ray diffraction, transmission, and
Xianjin Qi   +4 more
doaj   +1 more source

The preparation of sintered NdFeB magnet with high-coercivity and high temperature-stability [PDF]

open access: yesJournal of Physics: Conference Series, 2011
The NdFeB magnets with high intrinsic coercivity have been produced by using the conventional powder metallurgy method (including SC, HD and JM) of sintered NdFeB magnets. The effects of grain boundary phases on the microstructure and magnetic properties of as-sintered and annealed magnets have been tried to investigate.
G H Yan   +5 more
openaire   +1 more source

Ferroelectric Orthorhombic ZrO2 Thin Films Achieved Through Nanosecond Laser Annealing

open access: yesAdvanced Science, 2023
A new approach for the stabilization of the ferroelectric orthorhombic ZrO2 films is demonstrated through nanosecond laser annealing (NLA) of as‐deposited Si/SiOx/W(14 nm)/ZrO2(8 nm)/W(22 nm), grown by ion beam sputtering at low temperatures.
Anna P. S. Crema   +12 more
doaj   +1 more source

Coercive polynomials: stability, order of growth, and Newton polytopes

open access: yesOptimization, 2018
AbstractIn this article we introduce a stability concept for the coercivity of multivariate polynomials . In particular, we consider perturbations of f by polynomials up to the so-called degree of stable coercivity, and we analyze this stability concept in terms of the corresponding Newton polytopes at infinity.
Bajbar, Tomáš, Stein, Oliver
openaire   +2 more sources

Stability of Difference Schemes for Fractional Parabolic PDE with the Dirichlet-Neumann Conditions

open access: yesAbstract and Applied Analysis, 2012
The stable difference schemes for the fractional parabolic equation with Dirichlet and Neumann boundary conditions are presented. Stability estimates and almost coercive stability estimates with ln (1/(𝜏+|ℎ|)) for the solution of these difference schemes
Zafer Cakir
doaj   +1 more source

Vibro-impact regimes of adamped single-mass system with two fixed stops [PDF]

open access: yesFME Transactions
This study examines the periodic vibro-impact (VI) behavior of an externally excited system containing mass, spring, and damper, whose rectilinear motion is bounded by two symmetrical stops.
Garić Ljubiša B., Nešić Nikola D.
doaj   +1 more source

On the evolutionary stability of male harassment in a coercive mating game

open access: yesTamkang Journal of Mathematics, 2016
In many animals, males employ coercive mating strategies to help them maximize their expected number of offspring. In such systems, selection will favor behavioral adaptations in females that help them mitigate harassment costs and maximize their reproductive fitness. Previously, Bokides et al.
Udiani, Oyita, Lou, Yuan, Hamilton, Ian
openaire   +2 more sources

On the Numerical Solution of Fractional Parabolic Partial Differential Equations with the Dirichlet Condition

open access: yesDiscrete Dynamics in Nature and Society, 2012
The first and second order of accuracy stable difference schemes for the numerical solution of the mixed problem for the fractional parabolic equation are presented.
Allaberen Ashyralyev, Zafer Cakir
doaj   +1 more source

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