Polaronic Mobility in Boron Doped Iron Phosphate Glasses: Influence of Structural Disorder on Summerfield Scaling
Yazarlar (4)
Andrea Moguš-Milanković Institut Ruđer Bošković, Hırvatistan
Luka Pavić Institut Ruđer Bošković, Hırvatistan
Prof. Dr. Hüseyin ERTAP Kafkas Üniversitesi, Türkiye
Mevlüt Karabulut Kafkas Üniversitesi, Türkiye
| Makale Türü | Özgün Makale (SSCI, AHCI, SCI, SCI-Exp dergilerinde yayınlanan tam makale) | ||
| Dergi Adı | Journal of the American Ceramic Society (Q1) | ||
| Dergi ISSN | 0002-7820 Wos Dergi Scopus Dergi | ||
| Dergi Tarandığı Indeksler | SCI-Expanded | ||
| Makale Dili | İngilizce | Basım Tarihi | 03-2012 |
| Kabul Tarihi | – | Yayınlanma Tarihi | 27-03-2012 |
| Cilt / Sayı / Sayfa | 95 / 6 / 2007–2014 | DOI | 10.1111/j.1551-2916.2012.05149.x |
| Makale Linki | http://dx.doi.org/10.1111/j.1551-2916.2012.05149.x | ||
| Özet |
| The electrical conductivity and dielectric properties of xB2O3–(40−x)Fe2O3–60P2O5 (x = 0–20, mol%) glasses have been investigated by impedance spectroscopy in the frequency range from 0.01 Hz to 1 MHz and over the temperature range from 303 to 523 K. The dc conductivity is strongly controlled by polaron concentration, which depends upon the Fe2O3 content and the average distance between iron ions. The evolution of the complex dielectric permittivity as a function of frequency and temperature was studied. The thermal‐activated relaxation mechanism dominated the observed relaxation behavior. The relationship between relaxation parameters and electrical conductivity indicates the electronic conductivity controlled by polaron migration between iron ions with the distribution of hopping distances. The deviations from the Summerfield scaling in the ac conductivity and dielectric permittivity spectra have … |
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| Google Scholar | 33 |
| Web of Science | 24 |
| Scopus | 27 |