Abnormal Domain Growth during Polarization Reversal in Lithium Niobate Crystal Modified by Proton Exchange

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Abnormal Domain Growth during Polarization Reversal in Lithium Niobate Crystal Modified by Proton Exchange. / Savelyev, Evgeniy ; Akhmatkhanov, Andrey ; Kosobokov, Mikhail et al.
In: Crystals, Vol. 13, No. 1, 72, 2023.

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

BibTeX

@article{634ee5bcdadd48e1a1367300d5045e2b,

title = "Abnormal Domain Growth during Polarization Reversal in Lithium Niobate Crystal Modified by Proton Exchange",

abstract = "The results of an experimental study of the abnormal domain structure kinetics in lithium niobate single crystals with a surface layer modified by soft proton exchange are presented. Domain switching in a wide field range allowed two qualitatively different types of domain structure evolution to be revealed: (1) the traditional growth of hexagonal domains in fields higher than 21.5 kV/mm and (2) the abnormal growth of stripe domains oriented along the Y crystallographic directions in the field range from 3.8 to 21.5 kV/mm. The stripe domains had a width up to 4 mu m and depth up to 30 mu m. It was shown that the time dependence of the total length of stripe domains could be analyzed in terms of the modified Kolmogorov-Avrami approach, taking into account the transition from the one-dimensional beta-model to the one-dimensional alpha-model. The possibility of the controllable creation of a quasi-periodic structure of stripe domains with an average period of 5 mu m by a two-stage polarization switching process was demonstrated. The formation and growth of stripe domains were considered in terms of the kinetic approach to the evolution of the domain structure as a result of the domain walls' motion under inefficient screening conditions caused by the presence of a modified surface layer. The abnormally low threshold fields were attributed to a presence of a {"}built-in{"} field facilitating switching, created by a composition gradient induced by soft proton exchange.",

author = "Evgeniy Savelyev and Andrey Akhmatkhanov and Mikhail Kosobokov and Herv{\'e} Tronche and Florent Doutre and Tommaso Lunghi and Pascal Baldi and Vladimir Shur",

note = "The study was financially supported by the Ministry of Science and Higher Education of the Russian Federation within the Development Program of the Ural Federal University named after the first President of Russia B.N. Yeltsin in accordance with the program of strategic academic leadership “Priority-2030”. The work was performed using the equipment of the Ural Federal University “Modern Nanotechnologies” (reg. No. 2968), supported by the Ministry of Science and Higher Education of the Russian Federation (Project 075-15-2021-677).",

year = "2023",

doi = "10.3390/cryst13010072",

language = "English",

volume = "13",

journal = "Crystals",

issn = "2073-4352",

publisher = "Multidisciplinary Digital Publishing Institute (MDPI)",

number = "1",

}

RIS

TY - JOUR

T1 - Abnormal Domain Growth during Polarization Reversal in Lithium Niobate Crystal Modified by Proton Exchange

AU - Savelyev, Evgeniy

AU - Akhmatkhanov, Andrey

AU - Kosobokov, Mikhail

AU - Tronche, Hervé

AU - Doutre, Florent

AU - Lunghi, Tommaso

AU - Baldi, Pascal

AU - Shur, Vladimir

N1 - The study was financially supported by the Ministry of Science and Higher Education of the Russian Federation within the Development Program of the Ural Federal University named after the first President of Russia B.N. Yeltsin in accordance with the program of strategic academic leadership “Priority-2030”. The work was performed using the equipment of the Ural Federal University “Modern Nanotechnologies” (reg. No. 2968), supported by the Ministry of Science and Higher Education of the Russian Federation (Project 075-15-2021-677).

PY - 2023

Y1 - 2023

N2 - The results of an experimental study of the abnormal domain structure kinetics in lithium niobate single crystals with a surface layer modified by soft proton exchange are presented. Domain switching in a wide field range allowed two qualitatively different types of domain structure evolution to be revealed: (1) the traditional growth of hexagonal domains in fields higher than 21.5 kV/mm and (2) the abnormal growth of stripe domains oriented along the Y crystallographic directions in the field range from 3.8 to 21.5 kV/mm. The stripe domains had a width up to 4 mu m and depth up to 30 mu m. It was shown that the time dependence of the total length of stripe domains could be analyzed in terms of the modified Kolmogorov-Avrami approach, taking into account the transition from the one-dimensional beta-model to the one-dimensional alpha-model. The possibility of the controllable creation of a quasi-periodic structure of stripe domains with an average period of 5 mu m by a two-stage polarization switching process was demonstrated. The formation and growth of stripe domains were considered in terms of the kinetic approach to the evolution of the domain structure as a result of the domain walls' motion under inefficient screening conditions caused by the presence of a modified surface layer. The abnormally low threshold fields were attributed to a presence of a "built-in" field facilitating switching, created by a composition gradient induced by soft proton exchange.

AB - The results of an experimental study of the abnormal domain structure kinetics in lithium niobate single crystals with a surface layer modified by soft proton exchange are presented. Domain switching in a wide field range allowed two qualitatively different types of domain structure evolution to be revealed: (1) the traditional growth of hexagonal domains in fields higher than 21.5 kV/mm and (2) the abnormal growth of stripe domains oriented along the Y crystallographic directions in the field range from 3.8 to 21.5 kV/mm. The stripe domains had a width up to 4 mu m and depth up to 30 mu m. It was shown that the time dependence of the total length of stripe domains could be analyzed in terms of the modified Kolmogorov-Avrami approach, taking into account the transition from the one-dimensional beta-model to the one-dimensional alpha-model. The possibility of the controllable creation of a quasi-periodic structure of stripe domains with an average period of 5 mu m by a two-stage polarization switching process was demonstrated. The formation and growth of stripe domains were considered in terms of the kinetic approach to the evolution of the domain structure as a result of the domain walls' motion under inefficient screening conditions caused by the presence of a modified surface layer. The abnormally low threshold fields were attributed to a presence of a "built-in" field facilitating switching, created by a composition gradient induced by soft proton exchange.

UR - https://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=tsmetrics&SrcApp=tsm_test&DestApp=WOS_CPL&DestLinkType=FullRecord&KeyUT=000916847300001

UR - http://www.scopus.com/inward/record.url?partnerID=8YFLogxK&scp=85146759636

U2 - 10.3390/cryst13010072

DO - 10.3390/cryst13010072

M3 - Article

VL - 13

JO - Crystals

JF - Crystals

SN - 2073-4352

IS - 1

M1 - 72

ER -

ID: 33972234