Magnetic Studies of Co-Doped ZnO Nanoparticles

被引：0

作者：

Bandyopadhyay, S. K. ^{[1
]}

Singh, N. Surajkumar ^{[2
]}

Himanshu, A. K. ^{[1
]}

Chakraborty, Keka R. ^{[3
]}

Das, D. ^{[4
]}

Mukhopadhyay, P. K. ^{[5
]}

Mondal, Nagendra ^{[1
]}

机构：

[1] Ctr Variable Energy Cyclotron, 1 AF Bidhan Nagar, Kolkata 700064, India

[2] Manipur Univ, Dept Phys, Imphal 795003, Manipur, India

[3] Bhabha Atom Res Ctr, Solid State Phys Div, Bombay 400085, Maharashtra, India

[4] UGC, DAE Consortium Basic Sci, Kolkata 700098, India

[5] SN Bose Ctr Basic Sci, Kolkata, India

来源：

SOLID STATE PHYSICS: PROCEEDINGS OF THE 55TH DAE SOLID STATE PHYSICS SYMPOSIUM 2010, PTS A AND B | 2011年 / 1349卷

关键词：

Co-doped ZnO; Nanoparticles; Magnetisation; Antiferromagnetic coupling;

D O I：

10.1063/1.3605823

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

ZnO doped with Co has been synthesised at various concentrations from 1 to 20 atom % in bulk polycrystalline form by wet chemical method. Particle size was ranging from 40-50nm. There was a signature of ferromagnetism at 7 atom % and higher with S-type curves in M-H plots. Remanent magnetization was quite appreciable. But, there is anomaly with decrease in moment at higher atomic concentrations. No sign of superparamagnetism due to nanoparticles was there. Magnetism is thought to be due to interaction between nearest neighbor Co(II) ions along with clusters of Co(II) in isolation, which may be due to precipitation.

引用

页码：239 / +

页数：2

共 50 条

[21] Structure and magnetic properties of (Co, Mn) co-doped ZnO diluted magnetic semiconductor nanoparticles
Khan, Rajwali
Zulfiqar
Fashu, Simbarashe
Rehman, Zia Ur
Khan, Aurangzeb
Rahman, Muneeb Ur
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS, 2018, 29 (01) : 32 - 37
[22] Structure and magnetic properties of (Co, Mn) co-doped ZnO diluted magnetic semiconductor nanoparticles
Rajwali Khan
Simbarashe Zulfiqar
Zia Ur Fashu
Aurangzeb Rehman
Muneeb Ur Khan
Journal of Materials Science: Materials in Electronics, 2018, 29 : 32 - 37
[23] Experimental and theoretical investigations on magnetic behavior of (Al,Co) co-doped ZnO nanoparticles
Jayakumar, O. D.
Achary, S. N.
Sudakar, C.
Naik, R.
Salunke, H. G.
Rao, Rekha
Peng, X.
Ahuja, R.
Tyagi, A. K.
NANOSCALE, 2010, 2 (08) : 1505 - 1511
[24] Electrical, dielectric, photoluminescence and magnetic properties of ZnO nanoparticles co-doped with Co and Cu
Ashokkumar, M.
Muthukumaran, S.
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 2015, 374 : 61 - 66
[25] Ferromagnetism of lightly Co-doped ZnO nanoparticles
Duan, L. B.
Rao, G. H.
Yu, J.
Wang, Y. C.
SOLID STATE COMMUNICATIONS, 2008, 145 (11-12) : 525 - 528
[26] Synthesis of Cu and Ce co-doped ZnO nanoparticles: crystallographic, optical, molecular, morphological and magnetic studies
Rawat, Mohit
Singh, Jasmeet
Singh, Jagpreet
Singh, Chamkaur
Singh, Amritpal
Kukkar, Deepak
Kumar, Sanjeev
MATERIALS SCIENCE-POLAND, 2017, 35 (02): : 427 - 434
[27] Raman scattering studies of magnetic Co-doped ZnO thin films
Thakur, J. S.
Auner, G. W.
Naik, V. M.
Sudakar, C.
Kharel, P.
Lawes, G.
Suryanarayanan, R.
Naik, R.
JOURNAL OF APPLIED PHYSICS, 2007, 102 (09)
[28] Structural and magnetic studies on (Fe, Cu) co-doped ZnO nanocrystals
Tiwari, N.
Lohar, A.
Kamal, C.
Chakrabarti, Aparna
Prajapat, C. L.
Mishra, P. K.
Mondal, P.
Karnar, B.
Misra, N. L.
Jha, S. N.
Bhattacharyya, D.
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS, 2017, 104 : 198 - 206
[29] Electron spin resonance and photoluminescence studies of Co/Mg co-doped ZnO nanoparticles
Arda, Lutfi
Karatas, Ozgul
Alphan, Mehmet Can
Ozugurlu, Ersin
INTERNATIONAL JOURNAL OF APPLIED CERAMIC TECHNOLOGY, 2024, 21 (03) : 2458 - 2473
[30] Structural, dielectric and magnetic properties of (Al, Ni) co-doped ZnO nanoparticles
Rajwali Khan
Simbarashe Fashu
Journal of Materials Science: Materials in Electronics, 2017, 28 : 4333 - 4339

← 1 2 3 4 5 →