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Polarons in boron doped iron phosphate glasses (CROSBI ID 186080)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Filipič, Cene ; Moguš-Milanković, Andrea ; Pavić, Luka ; Karabulut, Mevlüt ; Levstik, Adrijan Polarons in boron doped iron phosphate glasses // Journal of non-crystalline solids, 358 (2012), 20; 2793-2795. doi: 10.1016/j.jnoncrysol.2012.07.011

Podaci o odgovornosti

Filipič, Cene ; Moguš-Milanković, Andrea ; Pavić, Luka ; Karabulut, Mevlüt ; Levstik, Adrijan

engleski

Polarons in boron doped iron phosphate glasses

The electrical conductivity and dielectric properties of xB2O3–(40−x)Fe2O3–60P2O5 (x=6–20, mol%) glasses were investigated in the frequency range from 0.01 Hz to 1 MHz and the temperature range from 303 K to 523 K. At temperatures below 523 K an ac conductivity and the dielectric constant follow the universal dielectric response (UDR), being typical for hopping or tunneling of localized charge carriers. A detailed analysis of the temperature dependence of the UDR parameter s in terms of the theoretical model for tunneling of small polarons revealed that below523 K thismechanismgoverns the charge transport in these glasses. The comparison of the values of characteristic coefficientsW∞ and α determined by two different methods confirms the polaronic behavior of boron doped iron phosphate glasses.

dielectric properties ; polarons ; tunneling ; glasses

nije evidentirano

nije evidentirano

nije evidentirano

nije evidentirano

nije evidentirano

nije evidentirano

Podaci o izdanju

358 (20)

2012.

2793-2795

objavljeno

0022-3093

1873-4812

10.1016/j.jnoncrysol.2012.07.011

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