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Broadband dielectric spectroscopy
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TLDR
Kremer et al. as mentioned in this paper proposed the theory of dielectric relaxation and analyzed the spectral properties of polymeric systems using NMR spectroscopy and NNMR spectra.Abstract:
A. Schoenhals, F. Kremer: Theory of Dielectric Relaxation.- F. Kremer, A. Schoenhals: Broadband Dielectric Measurement Techniques.- A. Schoenhals, F. Kremer: Analysis of Dielectric Spectra.- F. Kremer, A. Schoenhals: The Scaling of the Dynamics of Glasses and Supercooled Liquids.- P. Lunkenheimer, A. Loidl:Glassy Dynamics Beyond the a-Relaxation.- F. Kremer, A. Huwe, A. Schoenhals, S. Rozanski: Molecular Dynamics in Confining Space.- A. Schoenhals: Molecular Dynamics in Polymer Model Systems.- G. Floudas: Effect of Pressure on the Dielectric Spectra of Polymeric Systems.- J. Mijovich: Dielectric Spectroscopy of Reactive Polymeric Systems.- F. Kremer, A. Schoenhals: Collective and Molecular Dynamics of (Polymeric) Liquid Crystals.- L. Hartmann, K. Fukao, F. Kremer: Molecular Dynamics in thin Polymer Layers.- F. Kremer, S. Rozanski: The Dielectric Poperties of Semiconducting Disordered Solids.- P.A.M. Steeman, J. v. Turnhout: The Dielectric Properties of Inhomogeneous Media.- R. Boehmer, G. Diezemann: Principles and Applications of Pulsed Dielectric Spectroscopy and Nonresonant Dielectric Hole Burning.- R. Richert: Local Dielectric Relaxation by Solvation Dynamics.- T. Pakula: Dielectric and Dynamic Mechanical Spectroscopy-A Comparison.- R. Boehmer, F. Kremer: Dielectric and (Multidimensional) NMR Spectroscopy-A Comparison.- A. Arbe, J. Colmenero, D. Richter: Polymer Dynamics by Dielectric Spectroscopy and Neutron Scattering-A Comparisonread more
Citations
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Journal ArticleDOI
Breakdown of Time−Temperature Superposition Principle and Universality of Chain Dynamics in Polymers
Yifu Ding,Alexei P. Sokolov +1 more
TL;DR: In this paper, a detailed comparison of temperature dependences of segmental (τα) and chain (τn) relaxation times was conducted and it was shown that decoupling of these relaxation processes occurs at a similar range of τα ∼ 10-5−10-7 s regardless of a polymer and its molecular weight.
Journal ArticleDOI
Complex formation in aqueous trimethylamine-N-oxide (TMAO) solutions.
TL;DR: In this paper, aqueous solutions of the amphiphilic osmolyte trimethylamine-Noxide (TMAO) were studied using broadband dielectric spectroscopy and femtosecond mid-infrared spectrographs.
Journal ArticleDOI
Examination of the fundamental relation between ionic transport and segmental relaxation in polymer electrolytes
Yangyang Wang,Fei Fan,Alexander L. Agapov,Tomonori Saito,Jun Yang,Xiang Yu,Kunlun Hong,Jimmy W. Mays,Jimmy W. Mays,Alexei P. Sokolov,Alexei P. Sokolov +10 more
TL;DR: In this article, the authors show that the ionic conductivity in polymers can be decoupled from their segmental dynamics, in terms of both temperature dependence and relative transport rate.
Journal ArticleDOI
Enhanced charge transport in nano-confined ionic liquids
Ciprian Iacob,Joshua Sangoro,Wycliffe Kiprop Kipnusu,Rustem Valiullin,Jörg Kärger,Friedrich Kremer +5 more
TL;DR: In this article, the authors investigated charge transport in ionic liquids contained in unidirectional nanoporous membranes (pore diameters: 7.5-10.4 nm) by combining broadband dielectric spectroscopy (BDS) and pulsed field gradient (PFG)-NMR.
Journal ArticleDOI
Segmental dynamics of polyurea: Effect of stoichiometry
TL;DR: In this paper, the effect of variations in the soft/hard segment ratio, achieved through stoichiometry changes, in elastomeric polyurea was studied, consistent with the idea that the impact performance of elastomers is governed by the segmental dynamics rather than properties measured in conventional mechanical tests.
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