Structure, magnetic, and electrical properties of bismuth niobates doped with d-elements: XVIII. Magnetic susceptibility and ESR spectra of Bi2BaNb2-2x Mn2x O9-δ solid solutions with layered perovskite-like structure

被引：2

作者：

Chezhina, N. V. ^{[1
]}

Korolev, D. A. ^{[1
]}

Fedorova, A. V. ^{[1
]}

Zhuk, N. A. ^{[2
]}

Feltsinger, L. S. ^{[2
]}

Pryanishnikova, E. A. ^{[2
]}

Lutoev, V. P. ^{[3
]}

Makeev, B. A. ^{[3
]}

机构：

[1] St Petersburg State Univ, Univ Skaya Nab 7-9, St Petersburg 199034, Russia

[2] Sorokin Syktyvkar State Univ, Oktyabrskii Pr 55, Syktyvkar 167001, Russia

[3] Russian Acad Sci, Inst Geol, Ural Branch, Komi Sci Ctr, Syktyvkar, Russia

来源：

RUSSIAN JOURNAL OF GENERAL CHEMISTRY | 2017年 / 87卷 / 11期

关键词：

perovskite-like oxides containing bismuth; ESR spectroscopy; STATE; BEHAVIOR; CRYSTAL; COPPER; ORTHONIOBATE; TEMPERATURE; CHROMIUM; NICKEL; LINBO3; EPR;

D O I：

10.1134/S1070363217110032

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

On the basis of the data of ESR and magnetic susceptibility of Bi2BaNb2-2x Mn-2x O9-delta solid solutions with perovskite-like structure ferro- and aniferromagnetic bonded dimers, trimers, and tetramers of Mn(II), Mn(III), and Mn(IV) atoms in various valence states were found. The distribution of aggregates and exchange parameters in the clusters were calculated as a function of fraction x of manganese atoms in the solid solutions. In the ESR spectra of diluted solid solutions there are absorption bands with g-factors similar to 4.3 and 2.1 assigned to Mn(II) and Mn(IV) atoms.

引用

页码：2525 / 2532

页数：8

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