NDLI: Room Temperature Antiferromagnetic Ordering of Nanocrystalline Tb$_{1.90}$Ni$_{0.10}$O$

Content Provider	Springer Nature Link
Author	Mandal, J. Dalal, M. Sarkar, B. J. Chakrabarti, P. K.
Copyright Year	2016
Abstract	Nanocrystalline Ni-doped terbium oxide (Tb$_{1.90}$Ni$_{0.10}$O$_{3}$) has been synthesized by the co-precipitation method followed by annealing at 700°C for 6 h in vacuum. The crystallographic phase and the substitution of Ni$^{2+}$ ions in the lattice of Tb$_{2}$O$_{3}$ are confirmed by Rietveld analysis of the x-ray diffraction pattern using the software MAUD. High-resolution transmission electron microscopy is also carried out to study the morphology of the sample. Magnetic measurements are carried out at different temperatures from 5 K to 300 K using a superconducting quantum interference device (SQUID) magnetometer. The dependence of the magnetization of Tb$_{1.90}$Ni$_{0.10}$O$_{3}$ as a function of temperature (M–T) and magnetic field (M–H) suggests the presence of both paramagnetic and antiferromagnetic phase at room temperature, but antiferromagnetic phase dominates below ∼120 K. The lack of saturation in the M–H curve and good fitting of the M–T curve by the Johnston formula also indicate the presence of both paramagnetic and antiferromagnetic phase at room temperature. Interestingly, an antiferromagnetic to ferromagnetic phase transition is observed below ∼40 K. The result also shows a high value of magnetization at 5 K.
Starting Page	1107
Ending Page	1113
Page Count	7
File Format	PDF
ISSN	03615235
Journal	Journal of Electronic Materials
Volume Number	46
Issue Number	2
e-ISSN	1543186X
Language	English
Publisher	Springer US
Publisher Date	2016-11-03
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Nanoparticle magnetic materials x-ray diffraction magnetic properties Optical and Electronic Materials Characterization and Evaluation of Materials Electronics and Microelectronics, Instrumentation Solid State Physics
Content Type	Text
Resource Type	Article
Subject	Materials Chemistry Electronic, Optical and Magnetic Materials Condensed Matter Physics Electrical and Electronic Engineering

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