Ferroelectric to incommensurate fluctuations crossover in PbHfO3-PbSnO3
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F22%3A00566324" target="_blank" >RIV/68378271:_____/22:00566324 - isvavai.cz</a>
Result on the web
<a href="https://doi.org/10.1103/PhysRevB.105.014101" target="_blank" >https://doi.org/10.1103/PhysRevB.105.014101</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1103/PhysRevB.105.014101" target="_blank" >10.1103/PhysRevB.105.014101</a>
Alternative languages
Result language
angličtina
Original language name
Ferroelectric to incommensurate fluctuations crossover in PbHfO3-PbSnO3
Original language description
Perovskite solid solutions PbHfO3-PbSnO3 offer valuable opportunities for studying the formation mechanisms of incommensurate phases. Here, an x-ray diffuse scattering signal is used to quantify the evolution of susceptibilities related to different modes of distortion (ferroelectric, incommensurate, antiferrodistortive) as a function of temperature and the results are critically compared to the predictions of a minimal symmetry-based Landau-like model with two coupled order parameters (ferroelectric and antiferrodistortive) and an incommensurate order parameter being interpreted as inhomogeneous polarization. Experimentally, we observe a Curie-Weiss-like linear dependence of ferroelectric stiffness (inverse of susceptibility related to homogeneous polarization fluctuations) in the cubic phase down to about 50 K above the transition to the intermediate phase, where this dependence nearly saturates.
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10302 - Condensed matter physics (including formerly solid state physics, supercond.)
Result continuities
Project
<a href="/en/project/EF16_019%2F0000760" target="_blank" >EF16_019/0000760: Solid State Physics for 21st century</a><br>
Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace
Others
Publication year
2022
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
2469-9950
e-ISSN
2469-9969
Volume of the periodical
105
Issue of the periodical within the volume
1
Country of publishing house
US - UNITED STATES
Number of pages
15
Pages from-to
014101
UT code for WoS article
000740826200004
EID of the result in the Scopus database
2-s2.0-85122484254