Výsledky vyhledávání - "Broad-band dielectric spectroscopy"

Characterization of zinc lead-borate glasses doped with Fe3+ ions: optical, dielectric, and ac-conductivity investigations

Autor: Y.S. Rammah, A. S. Abouhaswa, Gamal Turky

Publikováno v: J Mater Sci Mater Electron
Journal of Materials Science: Materials in Electronics

The optical, dielectric response, and ac-conductivity properties for six glasses of zinc lead-borate doped with different contents of Fe3+ (Fe2O3 = 0 to 10 wt%) have been investigated. UV–Vis spectra in 190–1100 nm wavelength have been carried ou

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::af8f509d3c2d685660437f7a7af7701e
https://doi.org/10.1007/s10854-020-04262-1

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Ligand substitution effects on the charge transport properties of the spin crossover complex [Fe(Htrz)1+y−x (trz)2−y (NH2trz) x ](BF4)y·nH2O

Autor: Aurelian Rotaru, Ionela Rusu, Gábor Molnár, Azzedine Bousseksou, Mario Piedrahita-Bello, Lionel Salmon, Philippe Demont, Ion Soroceanu, Simona-Lacramioara Lupu

Publikováno v: Journal of Physics: Condensed Matter
Journal of Physics: Condensed Matter, IOP Publishing, 2020, 32 (26), pp.264002. ⟨10.1088/1361-648X/ab7ba2⟩
Journal of Physics: Condensed Matter, 2020, 32 (26), pp.264002. ⟨10.1088/1361-648X/ab7ba2⟩

International audience; The complex dielectric permittivity of a series of spin crossover complexes, with variable ligand stoichiometry [Fe(Htrz)1+y−x (trz)2−y (NH2trz) x ](BF4) y centerdotnH2O, has been investigated as a function of temperature

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::246b5b0613b365c800ef3b99e8e58ab5
https://oatao.univ-toulouse.fr/26130/

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Broad-Band Dielectric Spectroscopy Reveals Peak Values of Conductivity and Permittivity Switching upon Spin Crossover

Autor: Azzedine Bousseksou, Philippe Demont, Adrian Graur, Ion Soroceanu, Eugen Coca, Lionel Salmon, Aurelian Rotaru, Gábor Molnár

Publikováno v: Journal of Physical Chemistry Letters
Journal of Physical Chemistry Letters, American Chemical Society, 2019, pp.7391-7396. ⟨10.1021/acs.jpclett.9b02678⟩
Journal of Physical Chemistry Letters, 2019, pp.7391-7396. ⟨10.1021/acs.jpclett.9b02678⟩
The Journal of Physical Chemistry Letters

We use broad-band dielectric spectroscopy to investigate the spin-state dependence of electrical properties of the [Fe(Htrz)2(trz)](BF4) spin crossover complex. We show that the Havriliak–Negami theory can fully describe the variation of the comple

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e444039b42085bab3ab687a6c7c5d1a3
https://hal.archives-ouvertes.fr/hal-02378686/file/Soroceanu_25110.pdf

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Universal power law behavior of the AC conductivity versus frequency of agglomerate morphologies in conductive carbon nanotube-reinforced epoxy networks

Autor: Brian M. Greenhoe, Kenneth A. Mauritz, Jeffrey S. Wiggins, Mohammad K. Hassan

Publikováno v: Journal of Polymer Science Part B: Polymer Physics. 54:1918-1923

The Jonscher universal power law for ac conductivity versus frequency (f = ω/2π) in the dispersion region was tested for a multiwall carbon nanotube/epoxy nanocomposite. The effect of changes in agglomerate morphology on the fitting parameters A an

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5b00059fd2e1f738f89ec494f9d9ffdb
https://doi.org/10.1002/polb.24121

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Influence of the crystallization on the molecular mobility and ionic DC conductivity behaviors of relaxor ferroelectric P(VDF-TrFE-CTFE) terpolymers

Autor: Claude Richard, Qing Liu, Jean-Fabien Capsal, Xunqian Yin

Publikováno v: Journal of Polymer Science Part B: Polymer Physics
Journal of Polymer Science Part B: Polymer Physics, Wiley, 2016, 54 (16), pp.1645-1657. ⟨10.1002/polb.24068⟩

cited By 1; International audience; The dynamics of semicrystalline poly(vinylidene fluoride-trifluoroethylene-chlorotrifluoroethylene) (P(VDF-TrFE-CTFE)) terpolymers were fully investigated as a function of temperature and frequency, by means of bro

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::474248466d9d598ad004faaa4e4d63a8
https://doi.org/10.1002/polb.24068

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Polyitaconates: A new family of 'All-Polymer' dielectrics

Autor: César Saldías, Angel Leiva, Angel Alegría, Galder Kortaberria, Sebastián Bonardd

Publikováno v: Digital.CSIC. Repositorio Institucional del CSIC
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This work presents the synthesis of new poly(itaconate)s containing sulfone or nitrile pendant groups through conventional radical polymerization together with their characterization and comparison with poly(methacrylate)s containing identical groups

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0227a5bcbe48f545a42e81e45b5be67e
http://hdl.handle.net/10261/178207

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Metal Oxoclusters as Molecular Building Blocks for the Development of Nanostructured Inorganic–Organic Hybrid Thin Films

Autor: Vito Di Noto, Silvia Gross, Sandra Lavina, Andrea Zattin

Publikováno v: Monatshefte für Chemie 137 (2006): 583–593. doi:10.1007/s00706-006-0444-x
info:cnr-pdr/source/autori:Gross S., Zattin A., Di Noto V., Lavina S./titolo:Metal oxoclusters as molecular building blocks for the development of nanostructured inorganic-organic hybrid thin films/doi:10.1007%2Fs00706-006-0444-x/rivista:Monatshefte für Chemie/anno:2006/pagina_da:583/pagina_a:593/intervallo_pagine:583–593/volume:137

Silica-based inorganic-organic hybrid thin films embedding the organically modified oxohafnium clusters (Hf4O2(OMc)(12), OMc=OC(O)-C(CH3)=CH2) were obtained by photo-activated free radical copolymerisation of the methacrylate groups of the cluster wi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e3357fd16c0045aa1b578c39f06197a4
https://doi.org/10.1007/s00706-006-0444-x

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Universal scaling of dielectric response of various liquid crystals and glass-forming liquids

Autor: Miros?aw Ga?a?zka, Maria Massalska-Arodz?, Ewa Juszyn?ska-Ga?a?zka, Natalia Osiecka, Lucia Calucci, Elisa Carignani, Claudia Forte, Marco Geppi

Publikováno v: Broadband Dielectric spectroscopy and its applications, Pisa, 11-16/09/2016
info:cnr-pdr/source/autori:Miros?aw Ga?a?zka, Maria Massalska-Arodz?, Ewa Juszyn?ska-Ga?a?zka, Natalia Osiecka, Lucia Calucci, Elisa Carignani, Claudia Forte, Marco Geppi/congresso_nome:Broadband Dielectric spectroscopy and its applications/congresso_luogo:Pisa/congresso_data:11-16%2F09%2F2016/anno:2016/pagina_da:/pagina_a:/intervallo_pagine

New generalized scaling relationship accounting for both the real and imaginary parts of the complex dielectric permittivity data [1,2] will be presented. The generalized scaling procedure has been successfully used for various relaxation processes i

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=cnr_________::0e334009956a31a59c889c3d0ed4e4f3
https://publications.cnr.it/doc/359863

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