NDLI: Synthesis and electrical properties of Y2O3: Dy3+ & Eu3+ nanoparticles

Content Provider	Springer Nature Link
Author	Jyotsana, Aradhana Maurya, Gulab Singh Srivastava, Aop K. Rai, Awadhesh K. Ghosh, B. K.
Copyright Year	2014
Abstract	Yttrium oxide (Y2O3) doped with Dy3+ & Eu3+ nanoparticle has been synthesized by solution combustion method. The formation of the compounds has been checked by X-ray diffraction method. The crystallite/particle size has been measured using Scherrer formula as well as by transmission electron microscopy which show that the size of the particles are in the nanorange. The frequency and temperature dependent variation of impedance Z*, dielectric constant (ε′), dielectric loss (ε″) and AC conductivity (σ) of Y2O3: Dy3+ & Eu3+ nanoparticles were also measured. The real and imaginary part of complex impedance makes semicircle in the complex plane. The center of semicircle arc is found to be shifted toward higher value of real part of impedance with increasing temperature. This indicates that the conductivity of the material increases with the increase in temperature. Cole–Cole plots demonstrate that the dielectric relaxation process occurs in the material. The AC conductivity (σ AC) increases with the increase in temperature within the frequency range of 103–107 Hz confirming the hopping of the electrons in the conduction process. The value of impedance decreases sharply with increasing frequency and attains minimum value after 105 Hz at all temperatures.
Starting Page	1269
Ending Page	1274
Page Count	6
File Format	PDF
ISSN	09478396
Journal	Applied Physics A
Volume Number	117
Issue Number	3
e-ISSN	14320630
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2014-05-26
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Condensed Matter Physics Optical and Electronic Materials Nanotechnology Characterization and Evaluation of Materials Surfaces and Interfaces, Thin Films Operating Procedures, Materials Treatment
Content Type	Text
Resource Type	Article
Subject	Chemistry Materials Science

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