DOI: 10.1063/1.1410328. Dependence of carrier doping level on the photo control of (La, Sr)MnO3/SrTiO3 functional heterojunction

Dependence of carrier doping level on the photo control of (La, Sr)MnO3/SrTiO3 functional heterojunction

10.1063/1.1410328

Crossref journal-article

AIP Publishing

Journal of Applied Physics (317)

Abstract

In a junction system which consists of ferromagnetic- (La1−xSrx)MnO3 and band insulating-SrTiO3, the double exchange ferromagnetism in the (La, Sr)MnO3 layer was controlled by light irradiation through photocarrier injection form SrTiO3. We investigated the dependence of hole doping level (Curie temperature) on the photo control of the (La, Sr)MnO3/SrTiO3 heterojunction. Whereas magnetization and conductivity of the heterojunction with TC of 240 K is strongly reduced, including from metal–insulator transition, by light irradiation, that with TC of 280 K cannot be modulated. This result indicates that phase boundary, between the metallic and insulating region on the (La1−xSrx)MnO3 phase diagram, plays an important role in photo carrier control of the functional heterojunction.

Bibliography

Katsu, H., Tanaka, H., & Kawai, T. (2001). Dependence of carrier doping level on the photo control of (La,âSr)MnO3/SrTiO3 functional heterojunction. Journal of Applied Physics, 90(9), 4578â4582.

Authors 3

Hayato Katsu (first)
Hidekazu Tanaka (additional)
Tomoji Kawai (additional)

References 17 Referenced 32

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{'key': '2024020517124907600_r11'}
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{'key': '2024020517124907600_r15a'}
{'key': '2024020517124907600_r16'}

Dates

Type	When
Created	23 years, 1 month ago (July 26, 2002, 8:45 a.m.)
Deposited	1 year, 7 months ago (Feb. 5, 2024, 1:28 p.m.)
Indexed	1 year, 6 months ago (Feb. 7, 2024, 7 p.m.)
Issued	23 years, 10 months ago (Nov. 1, 2001)
Published	23 years, 10 months ago (Nov. 1, 2001)
Published Print	23 years, 10 months ago (Nov. 1, 2001)

Funders 0

None

BibTeX

@article{Katsu_2001, title={Dependence of carrier doping level on the photo control of (La, Sr)MnO3/SrTiO3 functional heterojunction}, volume={90}, ISSN={1089-7550}, url={http://dx.doi.org/10.1063/1.1410328}, DOI={10.1063/1.1410328}, number={9}, journal={Journal of Applied Physics}, publisher={AIP Publishing}, author={Katsu, Hayato and Tanaka, Hidekazu and Kawai, Tomoji}, year={2001}, month=nov, pages={4578–4582} }

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