Pleiades Publishing
JETP Letters
,  том 120 ,  издание 12 ,  страницы 904-909

Soft Mode Behavior in Transition Metal Doped SrTiO3 Thin Films on MgO Substrates

A V Melentev 1
, 
E S Zhukova 1
, 
B M Nekrasov 1
, 
V. S. Stolyarov 1, 2, 3
, 
A S Frolov 1
, 
M. Savinov 4
, 
A. A. Bush 5
, 
V. I. Kozlov 5, 6
, 
B.P. Gorshunov 1
, 
M. V. Talanov 1
1
 
2
 
3
 
4
 
5
 
6
 
Тип публикации: Journal Article
Дата публикации: 2024-12-16
Pleiades Publishing
scimago Q3
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БС1
SJR: 0.312
CiteScore: 2.3
Impact factor: 1.3
ISSN: 00213640, 10906487
Краткое описание

The ferroelectric soft mode in polycrystalline pristine SrTiO3 and weakly doped SrTiO3 : M (M = 2 at% Fe, Ni, Mn, Co) thin films on (001) MgO substrates has been studied using time-domain terahertz spectroscopy. Spectra of real and imaginary parts of film permittivity were determined in the frequency range of 5–100 cm–1 at temperatures between 5 and 300 K. Central frequency and dielectric contribution of the ferroelectric soft mode show Barrett-like temperature dependencies similar to crystalline SrTiO3. Large negative values of Curie temperature and enhanced positive values of Barrett quantum temperatures are discovered indicating that doped SrTiO3 thin films are farther from ferroelectric phase transition than SrTiO3 crystals.

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Melentev A. V. et al. Soft Mode Behavior in Transition Metal Doped SrTiO3 Thin Films on MgO Substrates // JETP Letters. 2024. Vol. 120. No. 12. pp. 904-909.
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Melentev A. V., Zhukova E. S., Nekrasov B. M., Stolyarov V. S., Frolov A. S., Savinov M., Bush A. A., Kozlov V. I., Gorshunov B., Talanov M. V. Soft Mode Behavior in Transition Metal Doped SrTiO3 Thin Films on MgO Substrates // JETP Letters. 2024. Vol. 120. No. 12. pp. 904-909.
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TY - JOUR
DO - 10.1134/s0021364024604561
UR - https://link.springer.com/10.1134/S0021364024604561
TI - Soft Mode Behavior in Transition Metal Doped SrTiO3 Thin Films on MgO Substrates
T2 - JETP Letters
AU - Melentev, A V
AU - Zhukova, E S
AU - Nekrasov, B M
AU - Stolyarov, V. S.
AU - Frolov, A S
AU - Savinov, M.
AU - Bush, A. A.
AU - Kozlov, V. I.
AU - Gorshunov, B.P.
AU - Talanov, M. V.
PY - 2024
DA - 2024/12/16
PB - Pleiades Publishing
SP - 904-909
IS - 12
VL - 120
SN - 0021-3640
SN - 1090-6487
ER -
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@article{2024_Melentev,
author = {A V Melentev and E S Zhukova and B M Nekrasov and V. S. Stolyarov and A S Frolov and M. Savinov and A. A. Bush and V. I. Kozlov and B.P. Gorshunov and M. V. Talanov},
title = {Soft Mode Behavior in Transition Metal Doped SrTiO3 Thin Films on MgO Substrates},
journal = {JETP Letters},
year = {2024},
volume = {120},
publisher = {Pleiades Publishing},
month = {dec},
url = {https://link.springer.com/10.1134/S0021364024604561},
number = {12},
pages = {904--909},
doi = {10.1134/s0021364024604561}
}
MLA
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Melentev, A. V., et al. “Soft Mode Behavior in Transition Metal Doped SrTiO3 Thin Films on MgO Substrates.” JETP Letters, vol. 120, no. 12, Dec. 2024, pp. 904-909. https://link.springer.com/10.1134/S0021364024604561.