Articles with "relaxation processes" as a keyword



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Role of Inclusion – Matrix Steel Interphase Boundaries in the Development of Relaxation Processes near Nonmetallic Inclusions

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Published in 2020 at "Metal Science and Heat Treatment"

DOI: 10.1007/s11041-020-00558-5

Abstract: Transformations of structure associated with relaxation processes in the inclusion-matrix interphase boundaries of 08Yu, 08Kh18N10T, É3 steels and armco-iron under various external impacts are studied. The possibilities of stress relaxation within the inclusion – matrix… read more here.

Keywords: interphase boundaries; inclusion matrix; relaxation; relaxation processes ... See more keywords
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High-light modification of excitation-energy-relaxation processes in the green flagellate Euglena gracilis.

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Published in 2021 at "Photosynthesis research"

DOI: 10.1007/s11120-021-00849-9

Abstract: Photosynthetic organisms finely tune their photosynthetic machinery including pigment compositions and antenna systems to adapt to various light environments. However, it is poorly understood how the photosynthetic machinery in the green flagellate Euglena gracilis is… read more here.

Keywords: high light; energy relaxation; energy; relaxation processes ... See more keywords
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Modeling of Dielectric Relaxation Processes in Moist Sand Rocks

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Published in 2017 at "Russian Physics Journal"

DOI: 10.1007/s11182-017-1128-1

Abstract: The results of experimental measurements in the frequency range 10 kHz – 1 GHz of the complex dielectric permittivity of quartz granule powders of various sizes moistened with distilled water and a salt solution are… read more here.

Keywords: modeling dielectric; relaxation; dielectric permittivity; dielectric relaxation ... See more keywords
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Interfacial effects of BaTiO3@TiO2 nanofibers on dielectric relaxation processes of P(VDF-TrFE-CFE) nanocomposites

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Published in 2020 at "Ceramics International"

DOI: 10.1016/j.ceramint.2019.09.080

Abstract: Abstract TiO2 nanofibers embedded with BaTiO3 nanoparticles (BTO@TO_nfs) are prepared by electrospinning method. The interfacial effects of nanofibers on the dielectric relaxation processes of poly (vinylidene fluoride-trifluroethylene-chlorofluoroethylene) (P(VDF-TrFE-CFE)) are studied in a temperature range of… read more here.

Keywords: relaxation; dielectric relaxation; interfacial effects; nanofibers dielectric ... See more keywords
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Relaxation processes and conduction behaviour in PVDF-TrFE and KNN-based composites

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Published in 2021 at "Polymer"

DOI: 10.1016/j.polymer.2021.124164

Abstract: Abstract Polymer-ceramic composites have gained considerable attention in flexible electronic devices due to their uncommon features such as high dielectric constant, low conductivity, and good mechanical flexibility. The electrical and mechanical responses of various components… read more here.

Keywords: trfe knn; dielectric constant; polymer; relaxation processes ... See more keywords
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Designing a Dy2 Single-Molecule Magnet with Two Well-Differentiated Relaxation Processes by Using a Nonsymmetric Bis-bidentate Bipyrimidine- N-Oxide Ligand: A Comparison with Mononuclear Counterparts.

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Published in 2018 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.8b00427

Abstract: Herein we report a dinuclear [(μ-mbpymNO){(tmh)3Dy}2] (1) single-molecule magnet (SMM) showing two nonequivalent DyIII centers, which was rationally prepared from the reaction of Dy(tmh)3 moieties (tmh = 2,2,6,6-tetramethyl-3,5-heptanedionate) and the asymmetric bis-bidentate bridging ligand 4-methylbipyrimidine… read more here.

Keywords: single molecule; bis bidentate; relaxation; relaxation processes ... See more keywords
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Study on the Polarization and Relaxation Processes of Ferroelectric Polymer Films Using the Sawyer–Tower Circuit with Square Voltage Waveform

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Published in 2017 at "Journal of Physical Chemistry C"

DOI: 10.1021/acs.jpcc.7b02099

Abstract: Displacement-vs-electric field hysteresis (D–E) loops constructed on the Saywer–Tower circuit have been widely utilized to characterize the ferroelectric performance of ferroelectric materials. To overcome the disadvantages of the current Sawyer–Tower (ST) circuit in overestimated polarization… read more here.

Keywords: tower circuit; polarization; relaxation processes; circuit ... See more keywords
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Elucidation of the two-step relaxation processes of a tetranuclear dysprosium molecular nanomagnet through magnetic dilution.

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Published in 2018 at "Dalton transactions"

DOI: 10.1039/c8dt01870g

Abstract: A new centrosymmetric tetranuclear aggregate [Dy4(L)2(OAc)8(CH3OH)2] (1) was assembled using a unique symmetrical Schiff base ligand 1,5-bis(salicylidene)-carbohydrazide (H2L). Magnetic studies reveal ferromagnetic interactions between dysprosium ions and two obvious relaxation processes under zero dc field… read more here.

Keywords: relaxation; dysprosium molecular; two step; relaxation processes ... See more keywords
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Modulating single-molecule magnet behavior towards multiple magnetic relaxation processes through structural variation in Dy4 clusters

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Published in 2018 at "Inorganic chemistry frontiers"

DOI: 10.1039/c8qi00214b

Abstract: Three Dy4 clusters, [Dy4(tmhd)8(L)2(CH3OH)2]·CH3OH (1), [Dy4(hfac)8(L)2(DMF)2]·C7H16 (2) and [Dy4(dbm)6(L)2(μ3-OH)2]·CH2Cl2 (3) (tmhd = 2,2,6,6-tetramethyl-3,5-heptanedione, hfac = hexafluoroacetylacetonate, dbm = 1,3-diphenyl-1,3-propanedione, HL = 2-[(2-(hydroxyimino)propanehydrazide)methyl]), have been successfully synthesized by using three different β-diketonate salts (Dy(tmhd)3·2H2O, Dy(hfac)3·2H2O, and… read more here.

Keywords: single molecule; relaxation; dy4; relaxation processes ... See more keywords
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Magnetic anisotropy and slow magnetic relaxation processes of cobalt(ii)-pseudohalide complexes.

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Published in 2019 at "Dalton transactions"

DOI: 10.1039/c9dt00644c

Abstract: Three mononuclear six-coordinate Co(ii)-pseudohalide complexes [Co(L)X2] with two N-donor pseudohalido coligands occupying the cis-positions (X = NCS- (1), NCSe- (2) or N(CN)2- (3)), and a five-coordinate complex [Co(L)(NCO)][B(C6H5)4] (4) [L = 1,4,7,10-tetramethyl-1,4,7,10-tetraazacyclododecane (12-TMC)] have been… read more here.

Keywords: relaxation; slow magnetic; relaxation processes; pseudohalide complexes ... See more keywords
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Designing asymmetric Dy2 single-molecule magnets with two-step relaxation processes by the modification of the coordination environments of Dy(iii) ions.

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Published in 2020 at "Dalton transactions"

DOI: 10.1039/d0dt01619e

Abstract: The reaction of Dy(NO3)3·6H2O and an asymmetric Schiff-base linker 5-chloro-2-(((2-hydroxy-3-methoxybenzyl)imino)methyl) phenol (H2L) afforded a dinuclear compound [Dy2L2(HL)(NO3)(EtOH)]·0.5C2H5OH (1). Complex 1 features two inequivalent Dy(iii) sites, where three ligand sets (one HL- moiety and two L2-… read more here.

Keywords: relaxation processes; coordination; two step; iii ions ... See more keywords