Effect of annealing temperature on the structural and magnetic properties of terbium iron garnet thin films prepared by sol-gel method

Ftema W. Aldbea, Noor Baa`Yah Ibrahim

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The terbium iron garnet (TbIG) nanoparticle thin films have been prepared by a sol-gel method for potential use as a magnetic sensor. The films were deposited onto clean quartz substrate using a spin coating technique, followed by annealing at different temperature of 700, 800, 900 °C in air for 2 h. As prepare film has been also executed. Microstructural and magnetic properties of the films were measured using an X-ray diffraction (XRD), a Field Emission Scanning Electron Microscope and a Vibrating Sample Magnetometer. The XRD results revealed that the pure phase of garnet structure has been formed at 900 °C. The lattice parameter decreased initially from 11.6 to 11.4 Å when annealing temperature increased from 700 to 800 °C, and then it is increased to 12.36 Å when annealing temperature increased to 900 °C. The grain sizes increased from 12 to 18 nm with increasing of annealing temperature from 700 to 900 °C, while the thickness of the films decreased to the smallest value of 312 nm at 900 °C. The saturation magnetization increased with increasing of annealing temperature due to increasing of grain sizes. The coercivity of films exhibited a highest value of 102 kA/m at 900 °C.

Original languageEnglish
Title of host publicationSpringer Proceedings in Physics
PublisherSpringer Science and Business Media, LLC
Pages65-72
Number of pages8
Volume164
ISBN (Print)9783319169187
DOIs
Publication statusPublished - 2015
Event2nd International Multidisciplinary Microscopy and Microanalysis Congress and Exhibition, INTERM 2014 - Oludeniz, Turkey
Duration: 16 Oct 201419 Oct 2014

Other

Other2nd International Multidisciplinary Microscopy and Microanalysis Congress and Exhibition, INTERM 2014
CountryTurkey
CityOludeniz
Period16/10/1419/10/14

Fingerprint

terbium
garnets
gels
magnetic properties
iron
annealing
thin films
grain size
temperature
diffraction
magnetometers
coercivity
coating
field emission
lattice parameters
x rays
quartz
electron microscopes
saturation
nanoparticles

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Effect of annealing temperature on the structural and magnetic properties of terbium iron garnet thin films prepared by sol-gel method. / Aldbea, Ftema W.; Ibrahim, Noor Baa`Yah.

Springer Proceedings in Physics. Vol. 164 Springer Science and Business Media, LLC, 2015. p. 65-72.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Aldbea, FW & Ibrahim, NBY 2015, Effect of annealing temperature on the structural and magnetic properties of terbium iron garnet thin films prepared by sol-gel method. in Springer Proceedings in Physics. vol. 164, Springer Science and Business Media, LLC, pp. 65-72, 2nd International Multidisciplinary Microscopy and Microanalysis Congress and Exhibition, INTERM 2014, Oludeniz, Turkey, 16/10/14. https://doi.org/10.1007/978-3-319-16919-4_9
Aldbea, Ftema W. ; Ibrahim, Noor Baa`Yah. / Effect of annealing temperature on the structural and magnetic properties of terbium iron garnet thin films prepared by sol-gel method. Springer Proceedings in Physics. Vol. 164 Springer Science and Business Media, LLC, 2015. pp. 65-72
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