Gadolinium manganites substituted with barium Gd1−XBaXMnO3 (x = 0.0; 0.15; 0.18; 0.25): Structural transitions, microstructure, magnetic and electrical properties

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Gadolinium manganites substituted with barium Gd1−XBaXMnO3 (x = 0.0; 0.15; 0.18; 0.25): Structural transitions, microstructure, magnetic and electrical properties. / Vedmid, L.; Fedorova, Olga Mikhaylovna; Balakireva, V. et al.
In: Journal of Alloys and Compounds, No. 953, 170155, 2023.

Research output: Contribution to journal › Article › peer-review

BibTeX

@article{cd7c04a70b344d0abd03c3a46195949a,

title = "Gadolinium manganites substituted with barium Gd1−XBaXMnO3 (x = 0.0; 0.15; 0.18; 0.25): Structural transitions, microstructure, magnetic and electrical properties",

abstract = "The effect of gadolinium substitution by barium on the crystal structure, microstructure, magnetic and electrical properties of Gd1−XBaXMnO3 (x = 0.0; 0.15; 0.18; 0.25) prepared by the solid-state reaction method has been studied. An increase in the concentration of barium to x = 0.18 leads to a critical decrease in the concentration of Mn3+ ions involved in the distortion mechanism and changes in the structural order (Jahn-Teller transition). The porosity of the samples increases and average the grain size and decreases as the concentration of barium increases. The electrical conductivity of Gd1−xBaxMnO3 increases up to 1.5 times compared to the initial material when the concentration of barium increases to x = 0.25. All manganites have TN = 42 K. The Curie temperature increases and changes the sign from negative to positive as the substitution level increases. For the first time, a phase diagram of the evolution of structural, magnetic and electrical properties when replacing Gd with Ba is presented. The evolution of magnetic and electrical properties of manganites is associated with structural distortions of the crystal lattice caused by the substitution of gadolinium with barium.",

author = "L. Vedmid and Fedorova, {Olga Mikhaylovna} and V. Balakireva and S. Uporov and Sterkhov, {Evgenii V.} and S. Belyakov",

note = "This work was carried out according to the state assignment No 122013100200-2 (IMET UB RAS) using equipment of the Collaborative usage centre “Ural-M.”",

year = "2023",

doi = "10.1016/j.jallcom.2023.170155",

language = "English",

journal = "Journal of Alloys and Compounds",

issn = "0925-8388",

publisher = "Elsevier Inc.",

number = "953",

}

RIS

TY - JOUR

T1 - Gadolinium manganites substituted with barium Gd1−XBaXMnO3 (x = 0.0; 0.15; 0.18; 0.25): Structural transitions, microstructure, magnetic and electrical properties

AU - Vedmid, L.

AU - Fedorova, Olga Mikhaylovna

AU - Balakireva, V.

AU - Uporov, S.

AU - Sterkhov, Evgenii V.

AU - Belyakov, S.

N1 - This work was carried out according to the state assignment No 122013100200-2 (IMET UB RAS) using equipment of the Collaborative usage centre “Ural-M.”

PY - 2023

Y1 - 2023

N2 - The effect of gadolinium substitution by barium on the crystal structure, microstructure, magnetic and electrical properties of Gd1−XBaXMnO3 (x = 0.0; 0.15; 0.18; 0.25) prepared by the solid-state reaction method has been studied. An increase in the concentration of barium to x = 0.18 leads to a critical decrease in the concentration of Mn3+ ions involved in the distortion mechanism and changes in the structural order (Jahn-Teller transition). The porosity of the samples increases and average the grain size and decreases as the concentration of barium increases. The electrical conductivity of Gd1−xBaxMnO3 increases up to 1.5 times compared to the initial material when the concentration of barium increases to x = 0.25. All manganites have TN = 42 K. The Curie temperature increases and changes the sign from negative to positive as the substitution level increases. For the first time, a phase diagram of the evolution of structural, magnetic and electrical properties when replacing Gd with Ba is presented. The evolution of magnetic and electrical properties of manganites is associated with structural distortions of the crystal lattice caused by the substitution of gadolinium with barium.

AB - The effect of gadolinium substitution by barium on the crystal structure, microstructure, magnetic and electrical properties of Gd1−XBaXMnO3 (x = 0.0; 0.15; 0.18; 0.25) prepared by the solid-state reaction method has been studied. An increase in the concentration of barium to x = 0.18 leads to a critical decrease in the concentration of Mn3+ ions involved in the distortion mechanism and changes in the structural order (Jahn-Teller transition). The porosity of the samples increases and average the grain size and decreases as the concentration of barium increases. The electrical conductivity of Gd1−xBaxMnO3 increases up to 1.5 times compared to the initial material when the concentration of barium increases to x = 0.25. All manganites have TN = 42 K. The Curie temperature increases and changes the sign from negative to positive as the substitution level increases. For the first time, a phase diagram of the evolution of structural, magnetic and electrical properties when replacing Gd with Ba is presented. The evolution of magnetic and electrical properties of manganites is associated with structural distortions of the crystal lattice caused by the substitution of gadolinium with barium.

UR - http://www.scopus.com/inward/record.url?partnerID=8YFLogxK&scp=85152675549

UR - https://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=tsmetrics&SrcApp=tsm_test&DestApp=WOS_CPL&DestLinkType=FullRecord&KeyUT=000990702900001

U2 - 10.1016/j.jallcom.2023.170155

DO - 10.1016/j.jallcom.2023.170155

M3 - Article

JO - Journal of Alloys and Compounds

JF - Journal of Alloys and Compounds

SN - 0925-8388

IS - 953

M1 - 170155

ER -

ID: 37492555