Photoresistance of a film heterostructure Ba0.8Sr0.2TiO3/LaMnO3/Ba0.8Sr0.2TiO3/MgO

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Abstract

An effect of illumination by ultrashort laser pulsed light at 514 nm on electrical resistance of Ba0.8Sr0.2TiO3/LaMnO3 heterostructure has been observed. In the temperature range below 175 K, illumination causes a reversible increase in the resistance. A time constant linked to the rate of resistance changes is about 30–50 s.

About the authors

A. O. Chibirev

Zavoisky Physical-Technical Institute – Subdivision of the Federal Research Center
“Kazan Scientific Center of Russian Academy of Sciences”

Author for correspondence.
Email: chibirev12@mail.ru
Russia, 420029, Kazan

A. V. Leontyev

Zavoisky Physical-Technical Institute – Subdivision of the Federal Research Center
“Kazan Scientific Center of Russian Academy of Sciences”

Author for correspondence.
Email: chibirev12@mail.ru
Russia, 420029, Kazan

T. M. Salikhov

Zavoisky Physical-Technical Institute – Subdivision of the Federal Research Center
“Kazan Scientific Center of Russian Academy of Sciences”

Email: chibirev12@mail.ru
Russia, 420029, Kazan

R. F. Mamin

Zavoisky Physical-Technical Institute – Subdivision of the Federal Research Center
“Kazan Scientific Center of Russian Academy of Sciences”

Email: chibirev12@mail.ru
Russia, 420029, Kazan

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Copyright (c) 2023 А.О. Чибирев, А.В. Леонтьев, Т.М. Салихов, Р.Ф. Мамин