Structural and Magnetic Properties of MnCo2O4 Spinel Multiferroic

被引：12
|
作者：
Meena, P. L. [1 ]
Pal, Sunita [2 ]
Sreenivas, K. [3 ]
Kumar, Ravi [4 ]
机构：
[1] Univ Delhi, Dept Phys, Deen Dayal Upadhyaya Coll, Shivaji Marg, New Delhi 110015, India
[2] Univ Mumbai, Dept Sci & Humanities, Saraswati Coll Engn, SES Kharghar, Navi Mumbai 4102102, Maharastra, India
[3] Univ Delhi, Dept Phys & Astrophys, Delhi 110007, India
[4] Beant Coll Engn & Technol, Gurdaspur 143521, Punjab, India
来源：
ADVANCED SCIENCE LETTERS | 2015年 / 21卷 / 09期
关键词：
MnCo2O4; XRD; Rietveld Refinement; FTIR Spectra; Raman Spectra; Ferri-Magnetics; MICROSPHERES; SPECTRA; FTIR;
D O I：
10.1166/asl.2015.6336
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
We have investigated structural and magnetic properties of polycrystalline MnCo2O4 spinel ceramic sample synthesized by solid state sintering method. Powder X-ray diffraction (XRD), Fourier transform infrared (FTIR) and Raman spectroscopic analysis confirm single phase formation with cubic crystal symmetry at room temperature. Quantitative analysis of FTIR spectra reveals inverse relationship between force constant and bond length. Ceramic sample was analyzed through temperature dependence and isothermal magnetization using superconducting quantum interference device (SQUID) magnetometer. The magnetic properties show a well-defined long-range ferri-magnetic (FM) order below Curie transition (T-C = 175 K) temperature with strong anti-ferromagnetic (AFM) character.
引用
收藏
页码：2760 / 2763
页数：4
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