Magnetic and dielectric features of Yb~(3+), Dy~(3+), and Nd~(3+) subrogated perovskite calcium manganite bulk materials

Ahmed I. Ali; M. A. Amin; M. M. Rashad; A. B. El Basaty

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Magnetic and dielectric features of Yb~(3+), Dy~(3+), and Nd~(3+) subrogated perovskite calcium manganite bulk materials

机译：Yb〜（3+），Dy〜（3+）和Nd〜（3+）亚钒钙锰散装材料的磁性和介电特征

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In this report, Yb_(0.8)Ca_(0.2)MnO_3, Dy_(0.8)Ca_(0.2)MnO_3 and Nd_(0.8)Ca_(0.2)MnO_3 perovskite compounds have been felicitously elaborated based on a fertile cost-effective solid-state reaction strategy. Dy_(0.8)Ca_(0.2)MnO_3 and Nd_(0.8)Ca_(0.2)MnO_3 powders were found to manifest orthorhombic structure, whereas the Yb_(0.8)Ca_(0.2)MnO_3 sample was found to demonstrate hexagonal structure. However, the YbO_2 secondary impurity phase was evinced with the perovskite Yb_(0.8)Ca_(0.2)MnO_3 phase. The samples' SEM images emerged with the uniform pseudo-cubic-like structure, and the grain sizes of the perovskite materials were in the range between 250 and 600 nm. FT-IR spectrums emphasized the band peaks linked with the functional group of the perovskite manganite compounds. Magnetic moment-magnetic field dependence features asserted antiferromagnetic characteristics for Yb_(0.8)Ca_(0.2)MnO_3 and Dy_(0.8)Ca_(0.2)MnO_3 samples, while the Nd_(0.8-)Ca_(0.2)MnO_3 sample disclosed paramagnetic phase at room temperature. Dielectric properties elucidated the normal behavior of perovskite at room temperature. This study explores the rule of the rear earth elements on tune the properties of perovskite compounds.

机译：在本报告中，YB_（0.8）CA_（0.2）MNO_3，DY_（0.8）CA_（0.2）MNO_3和ND_（0.2）CA_（0.2）MNO_3钙钛矿化合物已经基于肥沃的经济高效的固态反应进行了良好的阐述战略。 DY_（0.8）CA_（0.2）MNO_3和ND_（0.8）CA_（0.2）MNO_3粉末被发现表现出正交结构，而YB_（0.8）CA_（0.2）MNO_3样品展示六边形结构。然而，随着钙钛矿Yb_（0.8）Ca_（0.2）MnO_3相表现出YbO_2二级杂质相。用均匀的伪立方形结构出现的样品的SEM图像，钙钛矿材料的晶粒尺寸在250至600nm之间。 FT-IR光谱强调与钙钛矿锰化合物的官能团相关的带峰。磁矩 - 磁场依赖性特征是YB_（0.8）CA_（0.2）MnO_3和DY_（0.8）CA_（0.2）MNO_3样品的抗铁磁性特性，而ND_（0.8-）CA_（0.2）MNO_3样品在房间公开了顺磁相温度。介电性质在室温下阐明了钙钛矿的正常行为。本研究探讨了后地球元素对钙钛矿化合物的性质的规则。

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来源
《Journal of materials science》 |2021年第15期|20422-20430|共9页
作者
Ahmed I. Ali; M. A. Amin; M. M. Rashad; A. B. El Basaty;
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作者单位

Basic Science Department Faculty of Technology and Education Helwan University Cairo 11281 Egypt Nanotechnology Research Center British University in Egypt (BUE) Elshrok-city 11837 Cairo Egypt;

Producation Technology Department Faculty of Technology and Education Helwan University Cairo 11281 Egypt;

Advanced Materials Division Central Metallurgical Research and Development Institute Helwan P.O. Box: 87 Cairo Egypt;

Basic Science Department Faculty of Technology and Education Helwan University Cairo 11281 Egypt;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
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Magnetic and dielectric features of Yb~(3+), Dy~(3+), and Nd~(3+) subrogated perovskite calcium manganite bulk materials

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