Dynamic light scattering at domains and nanoclusters in a relaxor ferroelectric
| Autor(en): | Kleemann, W Licinio, P Woike, T Pankrath, R |
Stichwörter: | CRYSTALS; FIELD; PHASE-TRANSITIONS; Physics; Physics, Multidisciplinary; POLARIZATION; RARE-EARTH ELEMENTS; RELAXATION; SR0.61BA0.39NB2O6-CE3+; STATES; STRONTIUM-BARIUM-NIOBATE | Erscheinungsdatum: | 2001 | Herausgeber: | AMERICAN PHYSICAL SOC | Journal: | PHYSICAL REVIEW LETTERS | Volumen: | 86 | Ausgabe: | 26 | Startseite: | 6014 | Seitenende: | 6017 | Zusammenfassung: | In the probably first successful photon correlation spectroscopy experiment on a crystalline solid, inelastic light scattering of vibrating random-field-pinned domain walls has been observed at subkilohertz frequencies in the uniaxial relaxer ferroelectric Sro(0.61-x)Ce(x)Ba(0.39)Nb(2)O(6). In the paraelectric relaxer phase the response of polar nanoclusters becomes overdamped and Rayleigh-like. |
ISSN: | 00319007 | DOI: | 10.1103/PhysRevLett.86.6014 |
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geprüft am 01.06.2024
