| Автор | A A Bokov |
| Автор | Z-G Ye |
| Автор | A A Bokov |
| Дата выпуска | 2000-08-28 |
| dc.description | Complex dielectric susceptibility (χ' + jχ'') has been studied at f = 10<sup>-2</sup>-10<sup>5</sup> Hz in the relaxor ferroelectric 0.75Pb(Mg<sub>1/3</sub>Nb<sub>2/3</sub>)O<sub>3</sub>-0.25PbTiO<sub>3</sub>. In addition to the well known relaxor dispersion observed at temperatures around and below the temperature of permittivity maximum T<sub>m</sub>, a new and comparatively weak dispersion has been disclosed at T>T<sub>m</sub>. It is described by the `universal relaxation law', χ'' = cot(np/2)χ'∝f<sup>n-1</sup>. The temperature dependence of the exponent n follows the Vogel-Fulcher relation, indicating a process of freezing into the nonergodic state. |
| Формат | application.pdf |
| Издатель | Institute of Physics Publishing |
| Название | Freezing of dipole dynamics in relaxor ferroelectric Pb(Mg<sub>1/3</sub>Nb<sub>2/3</sub>)O<sub>3</sub>-PbTiO<sub>3</sub> as evidenced by dielectric spectroscopy |
| Тип | lett |
| DOI | 10.1088/0953-8984/12/34/101 |
| Electronic ISSN | 1361-648X |
| Print ISSN | 0953-8984 |
| Журнал | Journal of Physics: Condensed Matter |
| Том | 12 |
| Первая страница | L541 |
| Последняя страница | L548 |
| Аффилиация | A A Bokov; Department of Chemistry, Simon Fraser University, Burnaby, British Columbia V5A 1S6, Canada |
| Аффилиация | Z-G Ye; Department of Chemistry, Simon Fraser University, Burnaby, British Columbia V5A 1S6, Canada |
| Аффилиация | A A Bokov; Department of Chemistry, Simon Fraser University, Burnaby, British Columbia V5A 1S6, Canada |
| Выпуск | 34 |
