Crystal structure and Mssbauer effect in multiferroic 0.5BiFeO3-0.5Pb(Fe0.5Ta0.5)O3 solid solution

被引：1

作者：

Stoch, Agata ^{[1
]}

Maurin, Jan ^{[2
,3
]}

Stoch, Pawel ^{[4
]}

Kulawik, Jan ^{[1
]}

Szwagierczak, Dorota ^{[1
]}

机构：

[1] Inst Electr Mat Technol, Krakow Div, 39 Zablocie Str, PL-30701 Krakow, Poland

[2] Natl Ctr Nucl Res, 7 Soltana Str, PL-05400 Otwock, Poland

[3] Natl Med Inst, 30-34 Chelmska Str, PL-00725 Warsaw, Poland

[4] AGH Univ Sci & Technol, Fac Mat Sci & Ceram, 30 Mickiewicza Ave, PL-30059 Krakow, Poland

来源：

NUKLEONIKA | 2017年 / 62卷 / 02期

关键词：

BiFeO3; crystal structure; hyperfine interactions; multiferroics; solid solution; MOSSBAUER;

D O I：

10.1515/nuka-2017-0027

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Multiferroic 0.5BiFeO(3)-0.5Pb(Fe0.5Ta0.5)O-3 solid solution is a material that exhibits ferroelectric and antiferromagnetic orderings in ambient temperature. The solid solution was obtained as a result of a conventional reaction in a solid state. The obtained material is a dense, fine-grained sinter whose surface was observed by scanning electron microscopy(SEM) and stoichiometry was confirmed by energy dispersive X-ray spectroscopic (EDS) analysis. According to the X-ray powder diffraction (XRD) measurements, the main phase is R3c space group with admixture of Pm-3m regular phase. Small contribution of pyrochlore-like phase was also observed. Mssbauer spectroscopy suggested random distribution of Fe3+/Ta5+ cations in the B sites of ABO3 compound. Reduction of the magnetic hyperfine field with an increase in the substitution of Ta(5+)in Fe3+ neighbourhood was also observed.

引用

页码：177 / 181

页数：5

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