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Dielectric investigation of electrical conductivity in the copper salt of the 12-tungstophosphoric acid hydrate
dc.creator | Cajkovski, T | |
dc.creator | Davidović, Miloš D. | |
dc.creator | Pissis, P | |
dc.creator | Polizos, G | |
dc.creator | Cajkovski, D | |
dc.creator | Likar-Smiljanic, V | |
dc.creator | Biljic, R | |
dc.creator | Nedić, Zoran | |
dc.creator | Mioč, Ubavka B. | |
dc.date.accessioned | 2018-03-03T13:59:17Z | |
dc.date.available | 2018-03-03T13:59:17Z | |
dc.date.issued | 2003 | |
dc.identifier.issn | 0167-2738 | |
dc.identifier.uri | https://vinar.vin.bg.ac.rs/handle/123456789/6383 | |
dc.description.abstract | The electrical and dielectric properties of the copper salt of 12-tungstophosphoric acid (WPA) hydrate have been investigated by broadband dielectric relaxation spectroscopy (DRS). This work is a continuation of our previous investigations on the influence of monovalent and bivalent cations on the dielectric properties of WPA hydrates salts. Measurements were made in the frequency range 10 mHz-1 MHz in order to explore the long-range dynamics, following recent microwave measurements aiming at the local dynamics properties. Experiments were done in the temperature interval 293-350 K. Data treatment included complex permittivity epsilon*, complex electric modulus M* and complex impedance Z* formalism, Arrhenius diagram and Cole-Cole diagrams. The results are discussed in terms of conductivity relaxation and conductivity current relaxation. Rather long conductivity relaxation times measured seem to correspond to ion jumping processes. A phase transition was observed at 323 K. (C) 2003 Elsevier B.V. All rights reserved. | en |
dc.rights | restrictedAccess | en |
dc.source | Solid State Ionics | en |
dc.subject | heteropolyacid salts | en |
dc.subject | protonic conductivity | en |
dc.subject | permittivity measurements | en |
dc.title | Dielectric investigation of electrical conductivity in the copper salt of the 12-tungstophosphoric acid hydrate | en |
dc.type | article | en |
dcterms.abstract | Давидовић Милош; Цајковски, Т; Писсис, П; Полизос, Г; Цајковски, Д; Ликар-Смиљаниц, В; Биљиц, Р; Миоц, УБ; Недиц, З; | |
dc.citation.volume | 162 | |
dc.citation.spage | 203 | |
dc.citation.epage | 208 | |
dc.identifier.wos | 000186197100029 | |
dc.identifier.doi | 10.1016/S0167-2738(03)00233-9 | |
dc.citation.other | Special Issue: SI | |
dc.citation.rank | M21 | |
dc.description.other | 11th International Conference on Solid State Protonic Conductors (SSPC 11), Aug 27-30, 2002, Univ Surrey, Guildford, England | en |
dc.identifier.scopus | 2-s2.0-0141620280 |
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