Mössbauer study of cation substitution effect on magnetic phase transitions in (<inline-formula><math display="inline" overflow="scroll" xmlns:mml="http://www.w3.org/1998/Math/MathML"><mn>1</mn><mo>−</mo><mi>x</mi></math></inline-formula>)BiFeO<inline-formula><math display="inline" overflow="scroll" xmlns:mml="http://www.w3.org/1998/Math/MathML"><msub><mrow></mrow><mrow><mn>3</mn></mrow></msub><mo>−</mo><mi>x</mi></math></inline-formula>AFe<inline-formula><math display="inline" overflow="scroll" xmlns:mml="http://www.w3.org/1998/Math/MathML"><msub><mrow></mrow><mrow><mn>0</mn><mo>.</mo><mn>5</mn></mrow></msub></math></inline-formula>B<inline-formula><math display="inline" overflow="scroll" xmlns:mml="http://www.w3.org/1998/Math/MathML"><msub><mrow></mrow><mrow><mn>0</mn><mo>.</mo><mn>5</mn></mrow></msub></math></inline-formula>O<sub>3</sub>(A<inline-formula><math display="inline" overflow="scroll" xmlns:mml="http://www.w3.org/1998/Math/MathML"><mo>=</mo></math></inline-formula>Ba, Sr, Pb; B<inline-formula><math display="inline" overflow="scroll" xmlns:mml="http://www.w3.org/1998/Math/MathML"><mo>=</mo></math></inline-formula>Nb, Sb) solid solutions

S. P. Kubrin; I. V. Lisnevskaya; I. G. Sheptun; N. M. Olekhnovich; A. V. Pushkarev; Yu. V. Radyush; V. V. Titov; S. I. Raevskaya; A. V. Motseyko; N. V. Ter-Oganessian; E. A. Erofeeva; I. P. Raevski

doi:10.1142/S2010135X25400120

Journal of Advanced Dielectrics, Volume. 15, Issue 4, 2540012(2025)

Mössbauer study of cation substitution effect on magnetic phase transitions in ( $1 - x$ )BiFeO $_{3} - x$ AFe $_{0.5}$ B $_{0.5}$ O₃(A $=$ Ba, Sr, Pb; B $=$ Nb, Sb) solid solutions

S. P. Kubrin, I. V. Lisnevskaya, I. G. Sheptun, N. M. Olekhnovich, A. V. Pushkarev, Yu. V. Radyush, V. V. Titov, S. I. Raevskaya^*, A. V. Motseyko, N. V. Ter-Oganessian, E. A. Erofeeva, and I. P. Raevski

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Ceramic samples of ( $1 - x$ )BiFeO $_{3} - x$ PbFe $_{0.5}$ Sb $_{0.5}$ O₃(BFO–xPFS), ( $1 - x$ )BiFeO $_{3} - x$ SrFe $_{0.5}$ Sb $_{0.5}$ O₃(BFO–xSFS) where ( $x = 0.05, 0.1, \dots, 0.9$ ), ( $1 - x$ )BiFeO $_{3} - x$ BaFe $_{0.5}$ Nb $_{0.5}$ O₃ (BFO–xBFN) and ( $1 - x$ )BiFeO $_{3} - x$ SrFe $_{0.5}$ Nb $_{0.5}$ O₃ (BFO–xSFN) where ( $x = 0, 0.01, 0.02, \dots, 0.1, 0.2, \dots, 1$ ) solid solutions with a perovskite structure were obtained. Mössbauer studies have shown that the Neel temperature $T_{N}$ concentration dependences of the systems studied are in good agreement with $T_{N} (x)$ calculated under the assumption of the ordered distribution of Fe $^{3 +}$ and nonmagnetic Sb $^{5 +}$ ions in the lattice. The $T_{N}$ values obtained for BFO–xBFN and BFO–xPFS are close to the values, calculated for cases of the disordered and ordered distribution of Fe $^{3 +}$ and nonmagnetic Nb $^{5 +}$ and Sb $^{5 +}$ ions in the lattice, respectively. The $T_{N}$ values of BFO–xSFN and BFO–xSFS are in the range between the calculated values for ordered and disordered cases. Moreover the anomaly on the $T_{N} (x)$ dependence for the BFO–xBFN and BFO–xSFN systems was found near $x = 0.7$ . This anomaly is most likely related to the destruction of the magnetic super exchange via the empty 6p state of Bi $^{3 +}$ ions.

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S. P. Kubrin, I. V. Lisnevskaya, I. G. Sheptun, N. M. Olekhnovich, A. V. Pushkarev, Yu. V. Radyush, V. V. Titov, S. I. Raevskaya, A. V. Motseyko, N. V. Ter-Oganessian, E. A. Erofeeva, I. P. Raevski. Mössbauer study of cation substitution effect on magnetic phase transitions in ( $1 - x$ )BiFeO $_{3} - x$ AFe $_{0.5}$ B $_{0.5}$ O₃(A $=$ Ba, Sr, Pb; B $=$ Nb, Sb) solid solutions[J]. Journal of Advanced Dielectrics, 2025, 15(4): 2540012

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Paper Information

Category: Research Articles

Received: Nov. 15, 2024

Accepted: Apr. 14, 2025

Published Online: Aug. 5, 2025

The Author Email: S. I. Raevskaya (siraevskaya@sfedu.ru)

DOI:10.1142/S2010135X25400120

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