Domain wall orientation and domain shape in KTiOPO4 crystals

V. Ya Shur; E. M. Vaskina; E. V. Pelegova; M. A. Chuvakova; A. R. Akhmatkhanov; O. V. Kizko; M. Ivanov; A. L. Kholkin

doi:10.1063/1.4963781

Domain wall orientation and domain shape in KTiOPO₄ crystals

V. Ya Shur^*
, E. M. Vaskina
, E. V. Pelegova
, M. A. Chuvakova
, A. R. Akhmatkhanov
, O. V. Kizko
, M. Ivanov
, A. L. Kholkin

^*Šī darba korespondējošais autors

Ural Federal University
Labfer Ltd.
Crystals of Siberia Ltd.
University of Aveiro

Zinātniskās darbības rezultāts: Devums žurnālam › Zinātniskais raksts (žurnālā) › koleģiāli recenzēts

13 Atsauces (Scopus)

Kopsavilkums

Domain shape evolution and domain wall motion have been studied in KTiOPO₄ (KTP) ferroelectric single crystals using complementary experimental methods. The in situ visualization of domain kinetics has allowed revealing: (1) qualitative change of the domain shape, (2) dependence of the domain wall velocity on its orientation, (3) jump-like domain wall motion caused by domain merging, (4) effect of domain shape stability. The model of domain wall motion driven by generation of elementary steps (kink-pair nucleation) and subsequent kink motion is presented. The decrease in the relative velocity of the approaching parallel domain walls is attributed to electrostatic interaction. The effect of polarization reversal induced by chemical etching is observed. The obtained results are important for the development of domain engineering in the crystals of KTP family.

Oriģinālvaloda	Angļu
Raksta numurs	132901
Žurnāls	Applied Physics Letters
Sējums	109
Izdevuma numurs	13
DOIs	https://doi.org/10.1063/1.4963781
Publikācijas statuss	Publicēts - 26 sept. 2016
Ārēji publicēts	Jā

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abstract = "Domain shape evolution and domain wall motion have been studied in KTiOPO4 (KTP) ferroelectric single crystals using complementary experimental methods. The in situ visualization of domain kinetics has allowed revealing: (1) qualitative change of the domain shape, (2) dependence of the domain wall velocity on its orientation, (3) jump-like domain wall motion caused by domain merging, (4) effect of domain shape stability. The model of domain wall motion driven by generation of elementary steps (kink-pair nucleation) and subsequent kink motion is presented. The decrease in the relative velocity of the approaching parallel domain walls is attributed to electrostatic interaction. The effect of polarization reversal induced by chemical etching is observed. The obtained results are important for the development of domain engineering in the crystals of KTP family.",

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T1 - Domain wall orientation and domain shape in KTiOPO4 crystals

AU - Shur, V. Ya

AU - Vaskina, E. M.

AU - Pelegova, E. V.

AU - Chuvakova, M. A.

AU - Akhmatkhanov, A. R.

AU - Kizko, O. V.

AU - Ivanov, M.

AU - Kholkin, A. L.

PY - 2016/9/26

Y1 - 2016/9/26

N2 - Domain shape evolution and domain wall motion have been studied in KTiOPO4 (KTP) ferroelectric single crystals using complementary experimental methods. The in situ visualization of domain kinetics has allowed revealing: (1) qualitative change of the domain shape, (2) dependence of the domain wall velocity on its orientation, (3) jump-like domain wall motion caused by domain merging, (4) effect of domain shape stability. The model of domain wall motion driven by generation of elementary steps (kink-pair nucleation) and subsequent kink motion is presented. The decrease in the relative velocity of the approaching parallel domain walls is attributed to electrostatic interaction. The effect of polarization reversal induced by chemical etching is observed. The obtained results are important for the development of domain engineering in the crystals of KTP family.

AB - Domain shape evolution and domain wall motion have been studied in KTiOPO4 (KTP) ferroelectric single crystals using complementary experimental methods. The in situ visualization of domain kinetics has allowed revealing: (1) qualitative change of the domain shape, (2) dependence of the domain wall velocity on its orientation, (3) jump-like domain wall motion caused by domain merging, (4) effect of domain shape stability. The model of domain wall motion driven by generation of elementary steps (kink-pair nucleation) and subsequent kink motion is presented. The decrease in the relative velocity of the approaching parallel domain walls is attributed to electrostatic interaction. The effect of polarization reversal induced by chemical etching is observed. The obtained results are important for the development of domain engineering in the crystals of KTP family.

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