Effect of Nd substitution for Ca on crystal structure, optical and magnetic properties of multiferroic Bi0.9Ca0.1FeO3

Chuye Quan; Yuhui Ma; Yumin Han; Xingxing Tang; Mengjia Lu; Weiwei Mao; Jian Zhang; Jianping Yang; Xing'Ao Li; Wei Huang

doi:10.1016/j.jallcom.2015.01.121

Effect of Nd substitution for Ca on crystal structure, optical and magnetic properties of multiferroic Bi_0.9Ca_0.1FeO₃

Chuye Quan, Yuhui Ma, Yumin Han, Xingxing Tang, Mengjia Lu, Weiwei Mao, Jian Zhang, Jianping Yang, Xing'Ao Li, Wei Huang

科研成果: 期刊稿件 › 文章 › 同行评审

14 引用（Scopus）

摘要

Pure and co-doped BiFeO₃ (Ca, Nd) nanoparticles with diameter in the range of 50-250 nm were synthesized through a sol-gel method. X-ray diffraction (XRD) and Raman results show that Bi-site co-doped with Ca, Nd could result in a transition of crystal structure (from single phase rhombohedral (R3c) to two phase coexistence). An apparent blue shift can be observed in the co-doped samples along with a decrease of the direct optical band gap. Moreover, the leakage current was decreased due to the introduction of nonvolatile Ca and Nd at Bi³⁺ site. Analysis of MPMS-VSM magnetic hysteresis data reveals a further enhancement in magnetism in the Nd doped Bi_0.9Ca_0.1FeO_3, which is further explained by XPS characterization.

源语言	英语
页（从-至）	272-277
页数	6
期刊	Journal of Alloys and Compounds
卷	635
DOI	https://doi.org/10.1016/j.jallcom.2015.01.121
出版状态	已出版 - 25 6月 2015
已对外发布	是

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10.1016/j.jallcom.2015.01.121

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title = "Effect of Nd substitution for Ca on crystal structure, optical and magnetic properties of multiferroic Bi0.9Ca0.1FeO3",

abstract = "Pure and co-doped BiFeO3 (Ca, Nd) nanoparticles with diameter in the range of 50-250 nm were synthesized through a sol-gel method. X-ray diffraction (XRD) and Raman results show that Bi-site co-doped with Ca, Nd could result in a transition of crystal structure (from single phase rhombohedral (R3c) to two phase coexistence). An apparent blue shift can be observed in the co-doped samples along with a decrease of the direct optical band gap. Moreover, the leakage current was decreased due to the introduction of nonvolatile Ca and Nd at Bi3+ site. Analysis of MPMS-VSM magnetic hysteresis data reveals a further enhancement in magnetism in the Nd doped Bi0.9Ca0.1FeO3, which is further explained by XPS characterization.",

keywords = "BiFeO, Magnetism, Nanoparticles Sol-gel method, Optical, Structure",

author = "Chuye Quan and Yuhui Ma and Yumin Han and Xingxing Tang and Mengjia Lu and Weiwei Mao and Jian Zhang and Jianping Yang and Xing'Ao Li and Wei Huang",

year = "2015",

month = jun,

day = "25",

doi = "10.1016/j.jallcom.2015.01.121",

language = "英语",

volume = "635",

pages = "272--277",

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TY - JOUR

T1 - Effect of Nd substitution for Ca on crystal structure, optical and magnetic properties of multiferroic Bi0.9Ca0.1FeO3

AU - Quan, Chuye

AU - Ma, Yuhui

AU - Han, Yumin

AU - Tang, Xingxing

AU - Lu, Mengjia

AU - Mao, Weiwei

AU - Zhang, Jian

AU - Yang, Jianping

AU - Li, Xing'Ao

AU - Huang, Wei

PY - 2015/6/25

Y1 - 2015/6/25

N2 - Pure and co-doped BiFeO3 (Ca, Nd) nanoparticles with diameter in the range of 50-250 nm were synthesized through a sol-gel method. X-ray diffraction (XRD) and Raman results show that Bi-site co-doped with Ca, Nd could result in a transition of crystal structure (from single phase rhombohedral (R3c) to two phase coexistence). An apparent blue shift can be observed in the co-doped samples along with a decrease of the direct optical band gap. Moreover, the leakage current was decreased due to the introduction of nonvolatile Ca and Nd at Bi3+ site. Analysis of MPMS-VSM magnetic hysteresis data reveals a further enhancement in magnetism in the Nd doped Bi0.9Ca0.1FeO3, which is further explained by XPS characterization.

AB - Pure and co-doped BiFeO3 (Ca, Nd) nanoparticles with diameter in the range of 50-250 nm were synthesized through a sol-gel method. X-ray diffraction (XRD) and Raman results show that Bi-site co-doped with Ca, Nd could result in a transition of crystal structure (from single phase rhombohedral (R3c) to two phase coexistence). An apparent blue shift can be observed in the co-doped samples along with a decrease of the direct optical band gap. Moreover, the leakage current was decreased due to the introduction of nonvolatile Ca and Nd at Bi3+ site. Analysis of MPMS-VSM magnetic hysteresis data reveals a further enhancement in magnetism in the Nd doped Bi0.9Ca0.1FeO3, which is further explained by XPS characterization.

KW - BiFeO

KW - Magnetism

KW - Nanoparticles Sol-gel method

KW - Optical

KW - Structure

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U2 - 10.1016/j.jallcom.2015.01.121

DO - 10.1016/j.jallcom.2015.01.121

M3 - 文章

AN - SCOPUS:84924062133

SN - 0925-8388

VL - 635

SP - 272

EP - 277

JO - Journal of Alloys and Compounds

JF - Journal of Alloys and Compounds

ER -

Effect of Nd substitution for Ca on crystal structure, optical and magnetic properties of multiferroic Bi0.9Ca0.1FeO3

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Effect of Nd substitution for Ca on crystal structure, optical and magnetic properties of multiferroic Bi_0.9Ca_0.1FeO₃