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Soft antiferroelectric fluctuations in morphotropic PbZr1-xTixO3 single crystals as evidenced by inelastic x-ray scattering

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F11%3A00361369" target="_blank" >RIV/68378271:_____/11:00361369 - isvavai.cz</a>

  • Result on the web

    <a href="http://dx.doi.org/10.1103/PhysRevB.83.140101" target="_blank" >http://dx.doi.org/10.1103/PhysRevB.83.140101</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1103/PhysRevB.83.140101" target="_blank" >10.1103/PhysRevB.83.140101</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Soft antiferroelectric fluctuations in morphotropic PbZr1-xTixO3 single crystals as evidenced by inelastic x-ray scattering

  • Original language description

    Lattice dynamics of a PbZr1-xTixO3 single crystal with composition close to the morphotropic phase boundary has been investigated by inelastic x-ray scattering. Dispersion curves of the lowest frequency transverse optic and the transverse acoustic phononmodes propagating alog the [100] direction have been determined in the high-temperature paraelectric phase as well as in the room-temperature monoclinic phase. The measurement also reveals that upon cooling from the paraelectric to monoclinic phase, thespectral response of the M5, zone boundary phonon mode associated with antiferroelectric vibrations of lead ions is progressively transforming to a broad central mode. This indicates a crossover from vibrational to relaxational-type dynamics. The existence of this phenomenon previously observed in relaxor materials is a striking result for PZT and it is believed to arise from the nanoscale structural inhomogeneity of these materials.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    BM - Solid-state physics and magnetism

  • OECD FORD branch

Result continuities

  • Project

    Result was created during the realization of more than one project. More information in the Projects tab.

  • Continuities

    Z - Vyzkumny zamer (s odkazem do CEZ)

Others

  • Publication year

    2011

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Physical Review. B

  • ISSN

    1098-0121

  • e-ISSN

  • Volume of the periodical

    83

  • Issue of the periodical within the volume

    14

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    4

  • Pages from-to

    "140101/1"-"140101/4"

  • UT code for WoS article

    000292148700001

  • EID of the result in the Scopus database