New Ag+ conducting glasses with the formula, [PO2.5-2TlO0.5]1-x[AgIαTlI1-α]x, were studied. The structure consisted of a covalent (PO2.5-2TlO0.5) network and an iodide sub-lattice, (AgIαTlI1-α), with only weak interactions occurring between them. Use of the (AgI0.75TlI0.25) iodide eutectic mixture permitted the preparation of glasses with a high AgI content, and with an ionic conductivity at 25C which was of the order of 0.03S/cm for [PO2.5-2TlO0.5]0.14[AgI0.75TlI0.25]0.86 (tables 182 and 183).
S.Rossignol, B.Tanguy, J.M.Réau, J.J.Videau, J.Portier: Physica Status Solidi A, 1993, 139[2], 337-44
Table 182
Conductivity of [PO2.5-2TlO0.5]1-x[AgIαTlI1-α]x Glasses at 25C
| x | log[ (S/cm)] |
1 | 0.43 | -5.32 |
1 | 0.48 | -4.54 |
1 | 0.54 | -3.60 |
0.75 | 0.36 | -4.62 |
0.75 | 0.50 | -2.82 |
0.75 | 0.65 | -1.54 |
0.4 | 0.54 | -7.40 |
0.7 | 0.54 | -4.50 |
0.9 | 0.54 | -3.75 |
Table 183
Conductivity Parameters for [PO2.5-2TlO0.5]1-x[AgIαTlI1-α]x Glasses
| x | E (eV) | log[o (SK/cm)] |
1 | 0.43 | 0.47 | 5.10 |
1 | 0.48 | 0.41 | 4.86 |
1 | 0.54 | 0.33 | 4.45 |
0.75 | 0.36 | 0.46 | 5.63 |
0.75 | 0.50 | 0.30 | 5.72 |
0.75 | 0.65 | 0.21 | 4.48 |
0.4 | 0.54 | 0.66 | 6.23 |
0.7 | 0.54 | 0.45 | 5.58 |
0.9 | 0.54 | 0.35 | 3.73 |