Minor dielectric anomalies in ANbO3 (A-Li, Na, K) single crystals in the 100-300°C temperature range

S. I. Raevskaya; L. A. Reznitchenko; A. F. Semenchev; S. O. Lisitsina; V. G. Smotrakov; V. V. Eremkin; E. A. Dul'kin

doi:10.1080/00150190490493195

Minor dielectric anomalies in ANbO₃ (A-Li, Na, K) single crystals in the 100-300°C temperature range

S. I. Raevskaya^*, L. A. Reznitchenko, A. F. Semenchev, S. O. Lisitsina, V. G. Smotrakov, V. V. Eremkin, E. A. Dul'kin

^*Corresponding author for this work

The Institute of Applied Physics

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Abstract

In ANbO3 (A-Li, Na, K) single crystals besides dielectric permittivity maxima, corresponding to the known ferroelectric and antiferroelectric phase transitions, minor (T) anomalies were observed in the 100-300°C temperature range. The temperature Ta of these anomalies does not depend on measuring frequency in the 102-106 Hz range. Dilatometric studies showed that temperature dependences of relative dilatation Δ L/L have an inflexion in the vicinity of Ta. Linear correlation between Ta and the temperature TPE of the phase transition into the paraelectric phase was revealed. It is supposed that the minor (T) anomalies observed in ANbO3 crystals in the 100-300°C temperature range are due to phase transitions to the incommensurate phase.

Original language	English
Pages (from-to)	227-231
Number of pages	5
Journal	Ferroelectrics
Volume	307
DOIs	https://doi.org/10.1080/00150190490493195
State	Published - 1 Jan 2004

Bibliographical note

Funding Information:
The work was partially supported by Russian Foundation for Basic Research (grants # 01-03-33119 and 02-02-17781).

Keywords

Dielectric permittivity
Dilatation
Incommensurate phase
Phase transition

Access to Document

10.1080/00150190490493195

Cite this

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title = "Minor dielectric anomalies in ANbO3 (A-Li, Na, K) single crystals in the 100-300°C temperature range",

abstract = "In ANbO3 (A-Li, Na, K) single crystals besides dielectric permittivity maxima, corresponding to the known ferroelectric and antiferroelectric phase transitions, minor (T) anomalies were observed in the 100-300°C temperature range. The temperature Ta of these anomalies does not depend on measuring frequency in the 102-106 Hz range. Dilatometric studies showed that temperature dependences of relative dilatation Δ L/L have an inflexion in the vicinity of Ta. Linear correlation between Ta and the temperature TPE of the phase transition into the paraelectric phase was revealed. It is supposed that the minor (T) anomalies observed in ANbO3 crystals in the 100-300°C temperature range are due to phase transitions to the incommensurate phase.",

keywords = "Dielectric permittivity, Dilatation, Incommensurate phase, Phase transition",

author = "Raevskaya, {S. I.} and Reznitchenko, {L. A.} and Semenchev, {A. F.} and Lisitsina, {S. O.} and Smotrakov, {V. G.} and Eremkin, {V. V.} and Dul'kin, {E. A.}",

note = "Funding Information: The work was partially supported by Russian Foundation for Basic Research (grants # 01-03-33119 and 02-02-17781).",

year = "2004",

month = jan,

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doi = "10.1080/00150190490493195",

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T1 - Minor dielectric anomalies in ANbO3 (A-Li, Na, K) single crystals in the 100-300°C temperature range

AU - Raevskaya, S. I.

AU - Reznitchenko, L. A.

AU - Semenchev, A. F.

AU - Lisitsina, S. O.

AU - Smotrakov, V. G.

AU - Eremkin, V. V.

AU - Dul'kin, E. A.

N1 - Funding Information: The work was partially supported by Russian Foundation for Basic Research (grants # 01-03-33119 and 02-02-17781).

PY - 2004/1/1

Y1 - 2004/1/1

N2 - In ANbO3 (A-Li, Na, K) single crystals besides dielectric permittivity maxima, corresponding to the known ferroelectric and antiferroelectric phase transitions, minor (T) anomalies were observed in the 100-300°C temperature range. The temperature Ta of these anomalies does not depend on measuring frequency in the 102-106 Hz range. Dilatometric studies showed that temperature dependences of relative dilatation Δ L/L have an inflexion in the vicinity of Ta. Linear correlation between Ta and the temperature TPE of the phase transition into the paraelectric phase was revealed. It is supposed that the minor (T) anomalies observed in ANbO3 crystals in the 100-300°C temperature range are due to phase transitions to the incommensurate phase.

AB - In ANbO3 (A-Li, Na, K) single crystals besides dielectric permittivity maxima, corresponding to the known ferroelectric and antiferroelectric phase transitions, minor (T) anomalies were observed in the 100-300°C temperature range. The temperature Ta of these anomalies does not depend on measuring frequency in the 102-106 Hz range. Dilatometric studies showed that temperature dependences of relative dilatation Δ L/L have an inflexion in the vicinity of Ta. Linear correlation between Ta and the temperature TPE of the phase transition into the paraelectric phase was revealed. It is supposed that the minor (T) anomalies observed in ANbO3 crystals in the 100-300°C temperature range are due to phase transitions to the incommensurate phase.

KW - Dielectric permittivity

KW - Dilatation

KW - Incommensurate phase

KW - Phase transition

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