Zubko, P. and Scott, J. F. and Saad, M. M. and Baxter, P. and Bowman, R. M. and Gregg, J. M. (2006) Ionic Injected Current Transients in Strontium Titanate Single-Crystals. In: 12th International Symposium on Electrets. IEEE, pp. 136-138. ISBN 0-7803-9116-0
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Abstract
Current transients J(E,t,T) at high fields (E > 1 MV/cm) have been measured in SrTiO3 crystals. The results are complex, with more than one transient peak time tp. tp varies from ca. 100 ms to 100 s as a function of temperature T and voltage V. One peak displays the dependence tp=const. x (1/V) expected for the Many-Mark-Helfish cusp and may be due to space-charge-limited ionic conduction. The second peak is nearly voltage-independent and may arise from the Cox-Tredgold mechanism in which irreversible electrolytic reactions occur at the anode that facilitate hole injection. Both processes depend strongly upon the sample history.
| Item Type: | Book Section |
|---|---|
| Uncontrolled Keywords: | 2006 AREP IA51 2005 P |
| Subjects: | 03 - Mineral Sciences |
| Divisions: | 03 - Mineral Sciences |
| Volume: | 12th |
| Page Range: | pp. 136-138 |
| Identification Number: | doi : 10.1109/ISE.2005.1612337 |
| Depositing User: | Sarah Humbert |
| Date Deposited: | 08 Oct 2011 10:06 |
| Last Modified: | 23 Jul 2013 09:58 |
| URI: | http://eprints.esc.cam.ac.uk/id/eprint/1566 |
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