Strong variation of electrostrictive coupling near an intermediate temperature of relaxor ferroelectrics (Articolo in rivista)

Type

• Prodotto della ricerca (Classe)
• Articolo in rivista (Classe)

Label

• Strong variation of electrostrictive coupling near an intermediate temperature of relaxor ferroelectrics (Articolo in rivista) (literal)

Anno

• 2010-01-01T00:00:00+01:00 (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi

• 10.1103/PhysRevB.81.184111 (literal)

Alternative label

• Craciun F. (2010)
  Strong variation of electrostrictive coupling near an intermediate temperature of relaxor ferroelectrics
  in Physical review. B, Condensed matter and materials physics
  (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori

• Craciun F. (literal)

Pagina inizio

• 184111 (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url

• http://link.aps.org/doi/10.1103/PhysRevB.81.184111 (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume

• 81 (literal)

Rivista

• Physical review. B, Condensed matter and materials physics (Rivista)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#note

• fasc. (18). American Physical Society. (literal)

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• 5 (literal)

Note

• Scopu (literal)
• ISI Web of Science (WOS) (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni

• CNR-ISC, Tor Vergata, Roma (literal)

Titolo

• Strong variation of electrostrictive coupling near an intermediate temperature of relaxor ferroelectrics (literal)

Abstract

• A sudden increase in the electrostrictive coefficient Q13 when temperature decreases is seen in three different types of ferroelectric relaxors (PLZT 9/65/35, PLZT 22/20/80, and PMN-PT) starting from ?50 K above the dielectric permittivity maximum temperature, Tm. The temperature dependence is attributed to the softening of the quasilocal mode occurring near dopants or charge-transfer sites. The steep increase when the temperature decreases could be related to the transition of polar nanoregions from dynamic to quasistatic regime, which introduces an intermediate temperature scale T? [W. Dmowski, S. B. Vakhrushev, I.-K. Jeong, M. P. Hehlen, F. Trouw, and T. Egami, Phys. Rev. Lett. 100, 137602 (2008); B. Dkhil, P. Gemeiner, A. Al-Barakaty, L. Bellaiche, E. Dul'kin, E. Mojaev, and M. Roth, Phys. Rev. B 80, 064103 (2009)], besides Burns temperature TB and freezing temperature Tf. Possible consequences for nonequilibrium phenomena, including high-temperature memory found in relaxors, are conjectured. (literal)

Prodotto di

• Materiali Funzionali e Sistemi Disordinati (MD.P02.003.001) (Modulo)

Autore CNR

• FLORIANA RUSANESCU CRACIUN (Unità di personale interno)

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• Parole chiave di "Strong variation of electrostrictive coupling near an intermediate temperature of relaxor ferroelectrics" (Insieme di parole chiave)

Incoming links:

Autore CNR di

• FLORIANA RUSANESCU CRACIUN (Unità di personale interno)

Prodotto

• Materiali Funzionali e Sistemi Disordinati (MD.P02.003.001) (Modulo)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#rivistaDi

• Physical review. B, Condensed matter and materials physics (Rivista)

Insieme di parole chiave di

• Parole chiave di "Strong variation of electrostrictive coupling near an intermediate temperature of relaxor ferroelectrics" (Insieme di parole chiave)