Measurement of Onset of Structural Relaxation in Melt‐Quenched Phase Change Materials
Sign Up to like & getrecommendations! Published in 2021 at "Advanced Functional Materials"
DOI: 10.1002/adfm.202104422
Abstract: Chalcogenide phase change materials enable non‐volatile, low‐latency storage‐class memory. They are also being explored for new forms of computing such as neuromorphic and in‐memory computing. A key challenge, however, is the temporal drift in the… read more here.
Keywords: melt quenched; phase; phase change; change materials ... See more keywords
Structural Relaxation and Crystalline Phase Effects on the Exchange Bias Phenomenon in FeF2/Fe Core/Shell Nanoparticles
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DOI: 10.1002/admi.202000862
Abstract: In this study, the power of first‐principles methods along with molecular dynamics and atomistic Monte Carlo simulations is employed to elucidate the effects of the structural relaxation on the exchange bias (EB) behavior of FeF2/Fe… read more here.
Keywords: structural relaxation; relaxation; exchange bias; crystalline phase ... See more keywords
Microscopic characterization of structural relaxation and cryogenic rejuvenation in metallic glasses
Sign Up to like & getrecommendations! Published in 2019 at "Acta Materialia"
DOI: 10.1016/j.actamat.2018.10.036
Abstract: Abstract Plasticity improvement in metallic glasses resulting from cycling treatment between room and liquid nitrogen temperature has been reported and attributed to rejuvenation due to a non-uniform thermal expansion coefficient. However, the detailed microscopic effect… read more here.
Keywords: rejuvenation; effect; metallic glasses; structural relaxation ... See more keywords
Structural relaxation in a Fe-based metallic glass: Changes in local structure and role of heterogeneity
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DOI: 10.1016/j.intermet.2018.10.007
Abstract: Abstract Atomic structure evolution induced by thermal relaxation is investigated in Fe80P11C9 metallic glass by a suite of techniques. The topological structure of Fe80P11C9 metallic glasses characterized by the Voronoi polyhedrons varies with relaxation proceeding.… read more here.
Keywords: metallic glass; relaxation; structural relaxation; heterogeneity ... See more keywords
Atomic level structural modulation during the structural relaxation and its effect on magnetic properties of Fe81Si4B10P4Cu1 nanocrystalline alloy
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Magnetism and Magnetic Materials"
DOI: 10.1016/j.jmmm.2018.02.043
Abstract: Abstract The evolution of local structure and defects in the Fe81Si4B10P4Cu1 amorphous alloy during the structural relaxation has been investigated by Mossbauer spectroscopy, positron annihilation lifetime spectroscopy and transmission electron microscopy to explore their effects… read more here.
Keywords: relaxation; structural relaxation; magnetic properties; fe81si4b10p4cu1 nanocrystalline ... See more keywords
Correlation between the structure and structural relaxation data for (GeSe2)y(Sb2Se3)1-y glasses
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Non-Crystalline Solids"
DOI: 10.1016/j.jnoncrysol.2018.11.013
Abstract: Abstract Combined calorimetric and structural study, employing the techniques of differential scanning calorimetry and Raman spectroscopy, was performed to describe the enthalpy relaxation processes in the (GeSe2)y(Sb2Se3)1-y chalcogenide glasses. The full glass forming compositional region… read more here.
Keywords: structural relaxation; relaxation; gese2 sb2se3; enthalpy relaxation ... See more keywords
Structural relaxation and dielectric response of PVDF/PMMA blend in the presence of graphene oxide
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DOI: 10.1016/j.polymer.2021.123998
Abstract: Abstract Structural relaxation of polymer chains exhibits high correlation to the macroscopic performance of polymers, and it has been well investigated and analyzed in the polymer systems. However, it is still challenging to accurately describe… read more here.
Keywords: presence; structural relaxation; relaxation; pvdf pmma ... See more keywords
Distinct dynamics of structural relaxation in the amorphous phase of poly(l-lactic acid) revealed by quiescent crystallization.
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DOI: 10.1039/c9sm02541c
Abstract: Fast scanning calorimetry (FSC) experiments were performed to investigate physical aging in amorphous and semi-crystalline poly(l-lactic acid)s (PLLAs) that were thermally crystallized under conditions leading to the α'- or α-crystalline form, and either favouring or… read more here.
Keywords: poly lactic; relaxation; structural relaxation; amorphous phase ... See more keywords
Dynamic transition of nanosilicon from indirect to direct-like nature by strain-induced structural relaxation
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DOI: 10.1063/5.0050581
Abstract: Silicon nanoclusters exhibit light emission with direct-like ns–µs time dynamics; however, they show variable synthesis and structure, optical, and electronic characteristics. The widely adopted model is a core–shell in which the core is an indirect… read more here.
Keywords: network; structural relaxation; direct like; dynamic transition ... See more keywords
Structural relaxation affecting shear-transformation avalanches in metallic glasses.
Sign Up to like & getrecommendations! Published in 2019 at "Physical review. E"
DOI: 10.1103/physreve.100.043002
Abstract: Avalanche behaviors, characterized by power-law statistics and structural relaxation that induces shear localization in amorphous plasticity, play an essential role in deciding the mechanical properties of amorphous metallic solids (i.e., metallic glasses). However, their interdependence… read more here.
Keywords: structural relaxation; avalanche; metallic glasses; well relaxed ... See more keywords
Is the structural relaxation of glasses controlled by equilibrium shear viscosity?
Sign Up to like & getrecommendations! Published in 2021 at "Journal of the American Ceramic Society"
DOI: 10.1111/jace.17622
Abstract: Knowledge of relaxation processes is fundamental in glass science and technology because relaxation is intrinsically related to vitrification, tempering as well as to annealing and sev-eral applications of glasses. However, there are conflicting reports --… read more here.
Keywords: relaxation; structural relaxation; shear viscosity; glass ... See more keywords