Strain-induced charge ordering above room temperature in rare-earth manganites

Samoshkina, Yu.; Rautskii, M.; Neznakhin, D.; Stepanova, E.; Andreev, N.; Chichkov, V.; Zaikovskii, V.; Chernichenko, A.

doi:10.1039/d3dt04299e

Dalton Trans.

2024

DOI: 10.1039/d3dt04299e

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Strain-induced charge ordering above room temperature in rare-earth manganites

Yu. Samoshkina,

M. Rautskii,

D. Neznakhin

et al.

Abstract: Polycrystalline films of Pr1−xSrxMnO3 (x = 0.2 and 0.4) and La0.7Sr0.3MnO3 deposited on YSZ substrates represent a special case for the formation of the AFM-CO phase in manganite at temperatures close to and above room temperature.

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The visible magneto-optical response of RE_1-xA_xMnO₃ manganites: relationship with the charge component of the material

Samoshkina,

Petrov,

Telegin

et al. 2024

J. Phys.: Condens. Matter

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Magnetic circular dichroism (MCD) spectroscopy for manganite films of various compositions and morphologies has been studied in the range of 1.2–3.7 eV. The primary focus was on the temperature behavior of the MCD spectra, as well as the magnetization and resistivity of the films. The data obtained were analyzed in comparison with magneto-optical spectroscopy of the Kerr rotation (KR) on both single crystal and thin film of manganites. It has been established that the MCD response at 2.3 eV is typical for manganites transitioning into a conducting state. Consequently, it reflects a change in the band structure of the material. This response is also observed in the KR spectrum of manganites in the range 2.3–2.6 eV below the metal-insulator transition temperature. These findings complement the understanding of the electronic structure of manganites in general. Moreover, they also provide a basis for the search for new functional materials.

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The visible magneto-optical response of RE_1-xA_xMnO₃ manganites: relationship with the charge component of the material

Samoshkina,

Petrov,

Telegin

et al. 2024

J. Phys.: Condens. Matter

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show abstract

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Strain-induced charge ordering above room temperature in rare-earth manganites

Abstract: Polycrystalline films of Pr1−xSrxMnO3 (x = 0.2 and 0.4) and La0.7Sr0.3MnO3 deposited on YSZ substrates represent a special case for the formation of the AFM-CO phase in manganite at temperatures close to and above room temperature.

Cited by 1 publication

References 52 publications

The visible magneto-optical response of RE_1-xA_xMnO₃ manganites: relationship with the charge component of the material

The visible magneto-optical response of RE_1-xA_xMnO₃ manganites: relationship with the charge component of the material

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Strain-induced charge ordering above room temperature in rare-earth manganites

Abstract: Polycrystalline films of Pr1−xSrxMnO3 (x = 0.2 and 0.4) and La0.7Sr0.3MnO3 deposited on YSZ substrates represent a special case for the formation of the AFM-CO phase in manganite at temperatures close to and above room temperature.

Cited by 1 publication

References 52 publications

The visible magneto-optical response of RE1-xAxMnO3 manganites: relationship with the charge component of the material

The visible magneto-optical response of RE1-xAxMnO3 manganites: relationship with the charge component of the material

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The visible magneto-optical response of RE_1-xA_xMnO₃ manganites: relationship with the charge component of the material

The visible magneto-optical response of RE_1-xA_xMnO₃ manganites: relationship with the charge component of the material