Phase transitions in Li0.13Na0.87NbO3 crystals

E. A. Dul'kin; L. V. Grebenkina; V. G. Gavrilyachenko

doi:10.1134/1.1414561

Phase transitions in Li_0.13Na_0.87NbO₃ crystals

E. A. Dul'kin^*
, L. V. Grebenkina
, V. G. Gavrilyachenko

^*Corresponding author for this work

The Institute of Applied Physics

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

3 Scopus citations

Abstract

Li_0.13Na_0.87NbO₃ crystals were studied by dilatometric, dielectric, acoustic emission, and optical methods on heating in a temperature range from 20 to 700°C. Based on the results of these measurements, the following sequence of phases was established: 20-350°C, ferroelectric orthorhombic Pmm2; 350-400°C, ferroelectric orthorhombic Pmmm; 400-630°C, ferroelectric tetragonal, 14/mmm; above 630°C, cubic Pm3m. The latter two transformations can be classified as second-order ferroelectric phase transitions.

Original language	English
Pages (from-to)	873-874
Number of pages	2
Journal	Technical Physics Letters
Volume	27
Issue number	10
DOIs	https://doi.org/10.1134/1.1414561
State	Published - Oct 2001

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abstract = "Li0.13Na0.87NbO3 crystals were studied by dilatometric, dielectric, acoustic emission, and optical methods on heating in a temperature range from 20 to 700°C. Based on the results of these measurements, the following sequence of phases was established: 20-350°C, ferroelectric orthorhombic Pmm2; 350-400°C, ferroelectric orthorhombic Pmmm; 400-630°C, ferroelectric tetragonal, 14/mmm; above 630°C, cubic Pm3m. The latter two transformations can be classified as second-order ferroelectric phase transitions.",

author = "Dul'kin, \{E. A.\} and Grebenkina, \{L. V.\} and Gavrilyachenko, \{V. G.\}",

year = "2001",

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AU - Dul'kin, E. A.

AU - Grebenkina, L. V.

AU - Gavrilyachenko, V. G.

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Y1 - 2001/10

N2 - Li0.13Na0.87NbO3 crystals were studied by dilatometric, dielectric, acoustic emission, and optical methods on heating in a temperature range from 20 to 700°C. Based on the results of these measurements, the following sequence of phases was established: 20-350°C, ferroelectric orthorhombic Pmm2; 350-400°C, ferroelectric orthorhombic Pmmm; 400-630°C, ferroelectric tetragonal, 14/mmm; above 630°C, cubic Pm3m. The latter two transformations can be classified as second-order ferroelectric phase transitions.

AB - Li0.13Na0.87NbO3 crystals were studied by dilatometric, dielectric, acoustic emission, and optical methods on heating in a temperature range from 20 to 700°C. Based on the results of these measurements, the following sequence of phases was established: 20-350°C, ferroelectric orthorhombic Pmm2; 350-400°C, ferroelectric orthorhombic Pmmm; 400-630°C, ferroelectric tetragonal, 14/mmm; above 630°C, cubic Pm3m. The latter two transformations can be classified as second-order ferroelectric phase transitions.

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Phase transitions in Li_0.13Na_0.87NbO₃ crystals

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