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Synthesis, structural and dielectric properties of Ho-doped SrBi2Nb2O9 prepared by Co-precipitation method

共沉淀法制备Ho掺杂SrBi2Nb2O9的结构及介电性能研究

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Abstract

This paper reported the synthesis of Ho-doped SBN (SrBi2−x Ho x Nb2O9: x = 0 and 0.4) by a co-precipitation method and investigated the synthesized material with X-ray diffraction analyses, infrared spectroscopy, and electrical measurements. The results show that the Ho-doped SBN has low loss values at higher frequencies and the flattening of dielectric constant which are very desirable in nonvolatile ferroelectric random access memory applications.

摘要

本文报道了一种共沉淀法制备Ho掺杂SBN (SrBi2−x Ho x Nb2O9: x = 0和0.4), 并利用X射线衍射、红外光谱和电学测试对其进行表征. 结 果表明, Ho掺杂SBN在较高频下具有低损耗和稳定的介电常数. 因此这种材料非常适用于非易失FeRAM存储器的应用.

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Authors and Affiliations

  1. Laboratoire des Sciences des Matériaux Inorganiques et leurs Applications, Faculté des Sciences Semlalia, Université Cadi Ayyad, Marrakech, Maroc

    Mohamed Afqir, Mohamed Elaatmani, Abdelouahad Zegzouti & Mohamed Daoud

  2. Unité de Dynamique et Structure des Matériaux Moléculaires, Université du Littoral Côte d’Opale, Calais, France

    Mohamed Afqir, Amina Tachafine, Didier Fasquelle & Jean-Claude Carru

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  1. Mohamed Afqir
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  2. Amina Tachafine
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  3. Didier Fasquelle
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  4. Mohamed Elaatmani
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  5. Jean-Claude Carru
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  6. Abdelouahad Zegzouti
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  7. Mohamed Daoud
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Correspondence to Mohamed Afqir.

Additional information

Mohamed Afqir is a PhD candidate at the University of Littoral Côte d’Opale, Calais (North of France) and Cadi Ayyad University, Marrakech (Morocco). His research focuses on functional ceramics.

Didier Fasquelle is an associate professor at the University of Littoral Côte d’Opale, Calais (North of France). His research lab is the Unit of Dynamic and Structure of Molecular Materials.

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Afqir, M., Tachafine, A., Fasquelle, D. et al. Synthesis, structural and dielectric properties of Ho-doped SrBi2Nb2O9 prepared by Co-precipitation method. Sci. China Mater. 59, 921–926 (2016). https://doi.org/10.1007/s40843-016-5113-2

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