Published March 2021 | Version v1
Journal article Metadata-only

Effect of silica matrix on structural, optical and electrical properties of Li0.5Fe2.5O4 nanoparticles

Creators

  • 1. Badrinarayan Barwale Mahavidyalaya, Jalna, Maharashtra 431203 (India)
  • 2. Padmashri Vikhe Patil College of Arts Science and Commerce, Loni, Maharashtra 413713 (India)
  • 3. Department of Physics, Saurashtra University, Rajkot 360005 (India)
  • 4. S.N. Arts, D.J. Malpani Commerce & B.N. Sarda Science College, Sangamner, Maharashtra 422605 (India)

Description

Lithium ferrite nanoparticles were dispersed in silica matrix to minimize agglomeration. Structural and electrical properties of [Li0.5Fe2.5O4]1–x[SiO2]x (x = 0, 50–90%) nanocomposites synthesized using ultrasonic assisted sol–gel method have been investigated. X–ray diffraction (XRD) measurement confirms phase purity of all the nanocomposites. Crystallite size varies gradually from 29.08 to 17.54 nm with increase in silica content. Higher absorption in dispersed samples compared to pure Lithium ferrite is observed by ultra–violet visible (UV–Vis) measurement. Complex impedance spectroscopy was employed where permittivity and conductivity plots were theoretically fitted using Cole–Cole model and Jonscher's power law, respectively.

Availability note (English)

Available from http://dx.doi.org/10.1016/j.scriptamat.2020.113712

Additional details

Identifiers

DOI
10.1016/j.scriptamat.2020.113712;
PII
S1359646220308344;

Publishing Information

Journal Title
Scripta Materialia
Journal Volume
194
Journal Page Range
vp.
ISSN
1359-6462
CODEN
SCMAF7

INIS

Country of Publication
United Kingdom
Country of Input or Organization
International Atomic Energy Agency (IAEA)
INIS RN
53120126
Subject category
S36: MATERIALS SCIENCE;
Descriptors DEI
ABSORPTION; AGGLOMERATION; COMPARATIVE EVALUATIONS; FERRITE; FERRITES; GELS; IMPURITIES; LITHIUM; NANOCOMPOSITES; NANOPARTICLES; PERMITTIVITY; SILICA; SILICON OXIDES; SOLS; SPECTROSCOPY; X-RAY DIFFRACTION
Descriptors DEC
ALKALI METALS; ALLOYS; CARBON ADDITIONS; CHALCOGENIDES; COHERENT SCATTERING; COLLOIDS; DIELECTRIC PROPERTIES; DIFFRACTION; DISPERSIONS; ELECTRICAL PROPERTIES; ELEMENTS; EVALUATION; FERRIMAGNETIC MATERIALS; IRON ALLOYS; IRON COMPOUNDS; MAGNETIC MATERIALS; MATERIALS; METALS; MINERALS; NANOMATERIALS; OXIDE MINERALS; OXIDES; OXYGEN COMPOUNDS; PARTICLES; PHYSICAL PROPERTIES; SCATTERING; SILICON COMPOUNDS; SORPTION; TRANSITION ELEMENT ALLOYS; TRANSITION ELEMENT COMPOUNDS

Optional Information

Copyright
Copyright (c) 2021 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.