Excess-Li Localization Triggers Chemical Irreversibility in Li- and Mn-Rich Layered Oxides.
Sign Up to like & getrecommendations! Published in 2020 at "Advanced materials"
DOI: 10.1002/adma.202001944
Abstract: Li- and Mn-rich layered oxides (LMRs) have emerged as practically feasible cathode materials for high-energy-density Li-ion batteries due to their extra anionic redox behavior and market competitiveness. However, sluggish kinetics regions ( read more here.
Keywords: chemical irreversibility; layered oxides; chemistry; irreversibility ... See more keywords
In Search of Time Lost: Asymmetry of Time and Irreversibility in Natural Processes
Sign Up to like & getrecommendations! Published in 2020 at "Foundations of Science"
DOI: 10.1007/s10699-020-09658-0
Abstract: In this survey, we discuss and analyze foundational issues of the problem of time and its asymmetry from a unified standpoint. Our aim is to discuss concisely the current theories and underlying notions, including interdisciplinary… read more here.
Keywords: time lost; search time; time; irreversibility ... See more keywords
Magnetoresistance, Irreversibility Fields, and Critical Currents of Superconducting 2G Tape
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Superconductivity and Novel Magnetism"
DOI: 10.1007/s10948-016-3840-4
Abstract: The magnetoresistance, irreversibility fields, and critical current density were studied for a commercial 2G tape at the two relative orientations of magnetic field and superconductor plane. The critical temperatures of this tape of Tc50 %… read more here.
Keywords: fields critical; field; magnetoresistance irreversibility; irreversibility ... See more keywords
The novel multi-scale local irreversibility analysis method based on segmentation about time series
Sign Up to like & getrecommendations! Published in 2018 at "Nonlinear Dynamics"
DOI: 10.1007/s11071-018-4680-5
Abstract: In this paper, we mainly study the local irreversibility of time series. For this purpose, inspired by the idea of segmentation contained in multi-fractal detrended fluctuation analysis, we propose a novel time series irreversibility analysis,… read more here.
Keywords: local irreversibility; time series; time; method ... See more keywords
Direct measurements of slip irreversibility in a nickel-based superalloy using high resolution digital image correlation
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DOI: 10.1016/j.actamat.2019.12.009
Abstract: Abstract Fatigue crack nucleation in crystalline materials typically develops due to highly localized cyclic slip. During a fatigue cycle, reverse slip differs locally from slip in the forward direction particularly in precipitate-containing materials such as… read more here.
Keywords: slip irreversibility; high resolution; irreversibility; digital image ... See more keywords
Numerical assessment on the hydrothermal behavior and irreversibility of MgO-Ag/water hybrid nanofluid flow through a sinusoidal hairpin heat-exchanger
Sign Up to like & getrecommendations! Published in 2020 at "International Communications in Heat and Mass Transfer"
DOI: 10.1016/j.icheatmasstransfer.2020.104628
Abstract: Abstract The aim of this work is to study the hydrothermal and irreversibility characteristics in forced convection flow of Ag-MgO/water hybrid nanofluid through a sinusoidal hairpin heat-exchanger, numerically. The impact of nano-additive concentration (φ), Reynolds… read more here.
Keywords: hybrid nanofluid; heat exchanger; irreversibility; transfer ... See more keywords
Magnetic irreversibility and spin dynamics in nanoparticles of iron-doped europium chromite
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2017.07.018
Abstract: Abstract The magnetic properties of nanoparticles of Eu1−xFexCrO3 ( 0 ≤ x ≤ 1 ) prepared by a combustion reaction technique were investigated. An irreversible behavior in the magnetization was observed for a sample with… read more here.
Keywords: magnetic irreversibility; law; irreversibility; irreversibility spin ... See more keywords
Irreversibility in room temperature current–voltage characteristics of NiFe2O4 nanoparticles: A signature of electrical memory effect
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Magnetism and Magnetic Materials"
DOI: 10.1016/j.jmmm.2016.08.004
Abstract: Abstract Room temperature I – V characteristics study, both in presence and absence of magnetic field (1800 Oe), has been performed on NiFe 2 O 4 nanoparticles, having different particle size ( Ф ~14, 21 and… read more here.
Keywords: memory effect; electrical memory; room temperature; irreversibility ... See more keywords
Magnetic finite size effects, coercive field and irreversibility in sintered (1-x)BaTiO3–xCoFe2O4 nano-composites
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DOI: 10.1016/j.matchemphys.2020.122757
Abstract: Abstract We present detailed magnetic properties of (1-x)BaTiO3–xCoFe2O4 (x = 1, 0.5, 0.4, 0.3, 0.2, 0.1, 0.75, 0.05, 0.025) nanocomposites, synthesized through multiple-step chemical synthesis technique. Stepwise synthesis and structural optimization of composites include oxalate route synthesis… read more here.
Keywords: finite size; temperature; batio3 xcofe2o4; magnetic properties ... See more keywords
An improvement of the measurement of time series irreversibility with visibility graph approach
Sign Up to like & getrecommendations! Published in 2018 at "Physica A: Statistical Mechanics and its Applications"
DOI: 10.1016/j.physa.2018.02.131
Abstract: Abstract We propose a method to improve the measure of real-valued time series irreversibility which contains two tools: the directed horizontal visibility graph and the Kullback–Leibler divergence. The degree of time irreversibility is estimated by… read more here.
Keywords: time series; time; irreversibility; visibility graph ... See more keywords
Irreversibility from staircases in symplectic embeddings
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DOI: 10.1016/j.physa.2018.09.047
Abstract: Abstract We present an argument whose goal is to trace the origin of the macroscopically irreversible behavior of Hamiltonian systems of many degrees of freedom. We use recent flexibility and rigidity results of symplectic embeddings,… read more here.
Keywords: irreversibility; irreversibility staircases; staircases symplectic; symplectic embeddings ... See more keywords