Structural, spectroscopic and magnetic characterization of undoped, Ni2+ doped ZnO nanopowders

被引：31

作者：

Babu, B. ^{[1
]}

Sundari, G. Rama ^{[1
]}

Ravindranadh, K. ^{[1
]}

Yadav, M. Rajesh ^{[1
]}

Ravikumar, R. V. S. S. N. ^{[1
]}

机构：

[1] Acharya Nagarjuna Univ, Univ Coll Sci, Dept Phys, Nagarjuna Nagar 522510, Andhra Pradesh, India

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2014年 / 372卷

关键词：

ZnO; Chemical synthesis; X-ray diffraction; Infrared spectroscopy; Crystal structure; Electronic paramagnetic resonance; ROOM-TEMPERATURE FERROMAGNETISM; SOLID-STATE REACTION; NANORODS; PHOTOLUMINESCENCE; NI(II); IONS;

D O I：

10.1016/j.jmmm.2014.07.057

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Structural, magnetic and optical properties of undoped and Ni2+ doped ZnO nanopowders have been prepared by sonochemical assistance. Powder XRD studies confirm the hexagonal structure of both undoped and Ni2+ doped of ZnO nanopowders and its average crystallite sizes are evaluated. Optical absorption and Electron Paramagnetic Resonance spectral data confirmed the site symmetry for Ni2+ ions as octahedral. Photoluminescence spectra exhibited the emission bands in ultraviolet and blue regions at an excitation wavelength of 328 nm. FT-IR spectra showed the characteristic vibrational bands of Zn-O. Vibrating sample magnetometer was used for the magnetic property investigations and indicates room temperature ferromagnetism which is intrinsic in nature and attributed to oxygen and/or Zn deficiencies. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：79 / 85

页数：7

共 41 条

[1] Structural, optical and magnetic properties of Cr3+ doped ZnO nanopowder
Babu, B.
Manjari, V. P.
Aswani, T.
Rao, G. T.
Stella, R. J.
Ravikumar, R. V. S. S. N.
[J]. INDIAN JOURNAL OF PHYSICS, 2014, 88 (07) : 683 - 690
[2] Room temperature ferromagnetism and optical properties of Cu2+ doped ZnO nanopowder by ultrasound assisted solid state reaction technique
Babu, B.
Aswani, T.
Rao, G. Thirumala
Stella, R. Joyce
Jayaraja, B.
Ravikumar, R. V. S. S. N.
[J]. JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 2014, 355 : 76 - 80
[3] Synthesis and structural characterization of Co2+ ions doped ZnO nanopowders by solid state reaction through sonication
Babu, B.
Krishna, Ch. Rama
Reddy, Ch. Venkata
Manjari, V. Pushpa
Ravikumar, R. V. S. S. N.
[J]. SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY, 2013, 109 : 90 - 96
[4] Defects in virgin and N+-implanted ZnO single crystals studied by positron annihilation, Hall effect, and deep-level transient spectroscopy
Brauer, G.
Anwand, W.
Skorupa, W.
Kuriplach, J.
Melikhova, O.
Moisson, C.
von Wenckstern, H.
Schmidt, H.
Lorenz, M.
Grundmann, M.
[J]. PHYSICAL REVIEW B, 2006, 74 (04)
[5] Hydrothermal synthesis Ni-doped ZnO nanorods with room-temperature ferromagnetism
Cheng, Chuanwei
Xu, Guoyue
Zhang, Haiqian
Luo, Yan
[J]. MATERIALS LETTERS, 2008, 62 (10-11) : 1617 - 1620
[6] Synthesis, structure and ferromagnetic properties of Ni-doped ZnO nanoparticles
Cong, C. J.
Hong, J. H.
Liu, Q. Y.
Liao, L.
Zhang, K. L.
[J]. SOLID STATE COMMUNICATIONS, 2006, 138 (10-11) : 511 - 515
[7] Zener model description of ferromagnetism in zinc-blende magnetic semiconductors
Dietl, T
Ohno, H
Matsukura, F
Cibert, J
Ferrand, D
[J]. SCIENCE, 2000, 287 (5455) : 1019 - 1022
[8] Room temperature ferromagnetism in nanocrystalline Ni-doped ZnO synthesized by co-precipitation
El-Hilo, M.
Dakhel, A. A.
Ali-Mohamed, A. Y.
[J]. JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 2009, 321 (14) : 2279 - 2283
[9] Figgis B.N., 1976, INTRO LIGAND FIELDS, P42
[10] Study of ZnO and Ni-doped ZnO synthesized by atom beam sputtering technique
Ghosh, S.
Srivastava, P.
Pandey, B.
Saurav, M.
Bharadwaj, P.
Avasthi, D. K.
Kabiraj, D.
Shivaprasad, S. M.
[J]. APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING, 2008, 90 (04): : 765 - 769

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