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Teplofizika vysokikh temperatur, 2020, Volume 58, Issue 6, Pages 955–957
DOI: https://doi.org/10.31857/S0040364420060058 (Mi tvt11467) 		 
Short Communications

Ultrafast modulation of ferroelectric polarization in a $\rm Ba_{0.8}\rm Sr_{0.2}\rm TiO_3$ film with an intensive subperiodic terahertz pulse

V. R. Bilyka, E. D. Mishinaa, A. V. Ovchinnikovb, M. B. Agranatb

a MIREA — Russian Technological University, Moscow
b Joint Institute for High Temperatures, Russian Academy of Sciences, Moscow
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DOI: https://doi.org/10.31857/S0040364420060058
Abstract: The results of an experimental and theoretical study of the effect of an intense, single-period terahertz pulse on the ferroelectric polarization in a barium–strontium titanate film are presented. Modulation of the ferroelectric polarization in the field of a terahertz pulse with a strength of up to $23.2$ MV/cm is demonstrated via generation of the second optical harmonic. The presence of a nonlinear dependence of the intensity of the second optical harmonic on the electric field strength of the THz pulse is shown.
Funding agency Grant number
Russian Foundation for Basic Research 20-21-00043
18-02-40027
The study was carried out with the financial support of the Russian Foundation for Basic Research, project no. 18-02-40027 and the Rosatom State Atomic Energy Corporation within the framework of scientific project no. 20-21-00043.
Received: 17.05.2020
Revised: 17.09.2020
Accepted: 14.10.2020
English version:
High Temperature, 2020, Volume 58, Issue 6, Pages 942–944
DOI: https://doi.org/10.1134/S0018151X2006005X
Bibliographic databases:
Document Type: Article
UDC: 537.9
Language: Russian
Citation: V. R. Bilyk, E. D. Mishina, A. V. Ovchinnikov, M. B. Agranat, “Ultrafast modulation of ferroelectric polarization in a $\rm Ba_{0.8}\rm Sr_{0.2}\rm TiO_3$ film with an intensive subperiodic terahertz pulse”, TVT, 58:6 (2020), 955–957; High Temperature, 58:6 (2020), 942–944
Citation in format AMSBIB
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\paper Ultrafast modulation of ferroelectric polarization in a $\rm Ba_{0.8}\rm Sr_{0.2}\rm TiO_3$ film with an intensive subperiodic terahertz pulse
\jour TVT
\yr 2020
\vol 58
\issue 6
\pages 955--957
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\crossref{https://doi.org/10.31857/S0040364420060058}
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\jour High Temperature
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\pages 942--944
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