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Rare Metals
Published in: Rare Metals 3/2013

01-06-2013

Room temperature ferromagnetism of boron-doped ZnO nanoparticles prepared by solvothermal method

Authors: M. Hassan Farooq, Xiao-Guang Xu, Hai-Ling Yang, Cong-Jun Ran, Jun Miao, M. Zubair Iqbal, Yong Jiang

Published in: Rare Metals | Issue 3/2013

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Abstract

In this study, B-doped ZnO nanoparticles were synthesized by template-free solvothermal method. X-ray diffraction analysis reveals that B-doped ZnO nanoparticles have hexagonal wurtzite structure. Field emission scanning electron microscopy observations show that the nanoparticles have a diameter of 50 nm. The room temperature ferromagnetism increases monotonically with increasing B concentration to the ZnO nanoparticles and reaches the maximum value of saturation magnetization 0.0178 A·m2·kg−1 for 5 % B-doped ZnO nanoparticles. Moreover, photoluminescence spectra reveal that B doping causes to produce Zn vacancies (VZn). Magnetic moment of oxygen atoms nearest to the B-VZn vacancy pairs can be considered as a source of ferromagnetism for B-doped ZnO nanoparticles.
previous article Abnormal electric transport property and magnetoresistance stability of La–Sr–K–Mn–O system
next article Fabrication and magnetic properties of NiFe–ZnO nano-granular films

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Metadata
Title
Room temperature ferromagnetism of boron-doped ZnO nanoparticles prepared by solvothermal method
Authors
M. Hassan Farooq
Xiao-Guang Xu
Hai-Ling Yang
Cong-Jun Ran
Jun Miao
M. Zubair Iqbal
Yong Jiang
Publication date
01-06-2013
Publisher
Nonferrous Metals Society of China
Published in
Rare Metals / Issue 3/2013
Print ISSN: 1001-0521
Electronic ISSN: 1867-7185
DOI
https://doi.org/10.1007/s12598-013-0058-5

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