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High-temperature poling treatment of congruent ferroelectric LiNb0.5Ta0.5O3 solid solution single crystals

Anatolii A. Mololkin
Anatolii A. Mololkin
, 
Dmitry V. Roshchupkin
Dmitry V. Roshchupkin
, 
Eugenii V. Emelin
Eugenii V. Emelin
, 
Rashid R. Fahrtdinov1
Rashid R. Fahrtdinov1
10.3897/j.moem.7.1.66773
Published 30 March 2021
Communication , Volume 7, Issue 1, 17-20
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Mololkin A. A. et al. High-temperature poling treatment of congruent ferroelectric LiNb0.5Ta0.5O3 solid solution single crystals // Modern Electronic Materials. 2021. Vol. 7. No. 1. pp. 17-20.
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Mololkin A. A., Roshchupkin D. V., Emelin E. V., Fahrtdinov1 R. R. High-temperature poling treatment of congruent ferroelectric LiNb0.5Ta0.5O3 solid solution single crystals // Modern Electronic Materials. 2021. Vol. 7. No. 1. pp. 17-20.
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TY - JOUR
DO - 10.3897/j.moem.7.1.66773
UR - https://moem.colab.ws/publications/10.3897/j.moem.7.1.66773
TI - High-temperature poling treatment of congruent ferroelectric LiNb0.5Ta0.5O3 solid solution single crystals
T2 - Modern Electronic Materials
AU - Mololkin, Anatolii A.
AU - Roshchupkin, Dmitry V.
AU - Emelin, Eugenii V.
AU - Fahrtdinov1, Rashid R.
PY - 2021
DA - 2021/03/30
PB - НИТУ МИСИС
SP - 17-20
IS - 1
VL - 7
ER -
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@article{2021_Mololkin,
author = {Anatolii A. Mololkin and Dmitry V. Roshchupkin and Eugenii V. Emelin and Rashid R. Fahrtdinov1},
title = {High-temperature poling treatment of congruent ferroelectric LiNb0.5Ta0.5O3 solid solution single crystals},
journal = {Modern Electronic Materials},
year = {2021},
volume = {7},
publisher = {НИТУ МИСИС},
month = {Mar},
url = {https://moem.colab.ws/publications/10.3897/j.moem.7.1.66773},
number = {1},
pages = {17--20},
doi = {10.3897/j.moem.7.1.66773}
}
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Mololkin, Anatolii A., et al. “High-temperature poling treatment of congruent ferroelectric LiNb0.5Ta0.5O3 solid solution single crystals.” Modern Electronic Materials, vol. 7, no. 1, Mar. 2021, pp. 17-20. https://moem.colab.ws/publications/10.3897/j.moem.7.1.66773.
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Keywords

actuators
crystal growth
ferroelectric crystals
high-temperature single domain poling process
lithium niobate
lithium tantalate

Abstract

Lithium niobate and tantalate are among the most important and widely used materials of acoustooptics and acoustoelectronics. They have high piezoelectric constants enabling their use as actuators. Their use is however restricted by the thermal instability of lithium niobate crystals and the low Curie temperature TC of lithium tantalate crystals. Overcoming these drawbacks typical of some compounds is possible by growing LiNb1-xTaxO3 single crystals. Good quality LiNb1-xTaxO3 single crystals have been grown using the Czochralsky technique. High-temperature poling process of LiNb1-xTaxO3 single crystals has been studied. The main differences between the process modes required for poling of congruent LiNb1-xTaxO3 single crystals and congruent LiNbO3 single crystals have been demonstrated. Parameters of high-temperature electric diffusion processing of LiNb1-xTaxO3 single crystals that provide for singledomain crystals for further study of physical properties have been reported.

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