Please use this identifier to cite or link to this item: http://hdl.handle.net/10995/26871
Title: Polarization reversal induced by heating-cooling cycles in MgO doped lithium niobate crystals
Authors: Shur, V. Y.
Mingaliev, E. A.
Lebedev, V. A.
Kuznetsov, D. K.
Fursov, D. V.
Issue Date: 2013
Citation: Polarization reversal induced by heating-cooling cycles in MgO doped lithium niobate crystals / V. Y. Shur, E. A. Mingaliev, V. A. Lebedev [et al.] // Journal of Applied Physics. — 2013. — Vol. 113. — № 18.
Abstract: Polarization reversal during heating-cooling cycles was investigated in MgO doped lithium niobate (MgO:LN) crystal using piezoresponse force microscopy. The essential dependence of the domain structure evolution scenario on the maximal temperature in the cycle has been revealed experimentally. It has been shown that the heating of the engineered domain matrix from room temperature to 85 °C leads to light size reduction of the isolated domains at the matrix edges, whereas the heating to 170 °C leads to essential reduction of the domain size. The opposite strong effect of the domain formation and growth during cooling after pulse heating have been revealed in single domain MgO:LN. The simulation of the time dependence of the pyroelectric field during heating-cooling cycle allowed to reveal the temperature hysteresis and to explain all observed effects taking into account the temperature dependence of the bulk conductivity. © 2013 AIP Publishing LLC.
Keywords: BULK CONDUCTIVITIES
HEATING-COOLING CYCLE
MGO DOPED LITHIUM NIOBATE
PIEZORESPONSE FORCE MICROSCOPY
POLARIZATION REVERSALS
PYROELECTRIC FIELDS
TEMPERATURE DEPENDENCE
TEMPERATURE HYSTERESIS
COOLING
MAGNESIA
SCANNING PROBE MICROSCOPY
HEATING
URI: http://hdl.handle.net/10995/26871
SCOPUS ID: 84878079823
WOS ID: 000319294100117
PURE ID: 910238
ISSN: 0021-8979
1089-7550
DOI: 10.1063/1.4801969
Appears in Collections:Научные публикации, проиндексированные в SCOPUS и WoS CC

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