Single crystal growth and magnetic properties of Co-doped ZnNb2O6

被引：6

作者：

Liu, Ying ^{[1
,2
]}

Xu, Dapeng ^{[1
]}

Yu, Huamin ^{[1
,3
]}

Cui, Tian ^{[1
]}

Li, Liang ^{[1
]}

机构：

[1] Jilin Univ, Coll Phys, State Key Lab Superhard Mat, Changchun 130000, Jilin, Peoples R China

[2] Changchun Inst Technol, Changchun 130012, Jilin, Peoples R China

[3] Aviat Univ Air Force, Changchun 130022, Jilin, Peoples R China

来源：

MODERN PHYSICS LETTERS B | 2019年 / 33卷 / 23期

基金：

中国国家自然科学基金;

关键词：

Floating zone method; single crystal growth; Co-doped ZnNb2O6; magnetic properties; MICROWAVE DIELECTRIC-PROPERTIES; X-RAY-DIFFRACTION; TRANSITION; SURFACE; M2+NB2O6; OXYGEN;

D O I：

10.1142/S0217984919502749

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The columbite structure Zn0.9Co0.1Nb2O6 single crystals have been successfully grown by using the optical floating zone method. The as-grown crystals are characterized by X-ray diffraction (XRD), Raman spectroscopy (RS) and X-ray photoelectron spectroscopy (XPS). All these analyses show that the doping Co ions do not disturb the structure of columbite ZnNb2O6 and some Zn2+ ions are substituted by transition metal Co2+ ions without any other impurities. The magnetic properties of as-grown Zn0.9Co0.1Nb2O6 crystals have been investigated using Physical Property Measurement System (PPMS). The effective magnetic moment of Zn0.9Co0.1Nb2O6 crystals is 1.47 mu(B)/Co, indicating that Co2+ ions present in Zn0.9Co0.1Nb2O6 single crystals are in mixed HS and LS states. The ferromagnetic, antiferromagnetic and paramagnetic characters of as-grown crystals are also discussed.

引用

页数：10

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