A structural and mössbauer study of Y3Fe5O 12 nanoparticles prepared with high energy ball milling and subsequent sintering

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Abstract

The influence of ball milling and subsequent sintering of a 3:5 molar mixture of Y2O3 and α-Fe2O3 on the formation of nanocrystalline Y3Fe5O12 (YIG) particles is studied. Pre-milling the mixture for 100 h lowers the onset temperature at which the material forms to 900°C which is 200°C lower than that reported when a similar mixture of reactants was premilled for shorter times. A single-phased nanocrystalline Y3Fe5O 12 phase develops as a sole product when the pre-milled mixture is heated at 1,000°C (12 h). This temperature is ~300-400°C lower than those used to prepare the material conventionally. The bulk and surface crystal structure of the nanoparticles is studied with X-ray diffraction, Mössbauer spectroscopy, Atomic Force Microscope (AFM) and X-ray photoelectron spectroscopy.

Original languageEnglish
Pages (from-to)87-92
Number of pages6
JournalHyperfine Interactions
Volume183
Issue number1-3
DOIs
Publication statusPublished - Apr 2008

Fingerprint

Ball milling
balls
sintering
Sintering
Nanoparticles
nanoparticles
Atomic spectroscopy
energy
yttrium-iron garnet
Microscopes
x rays
X ray photoelectron spectroscopy
Crystal structure
microscopes
photoelectron spectroscopy
X ray diffraction
Temperature
crystal structure
temperature
products

Keywords

  • AFM
  • Ball milling
  • Mössbauer spectroscopy
  • XPS
  • XRD
  • YIG

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Nuclear and High Energy Physics
  • Atomic and Molecular Physics, and Optics
  • Physical and Theoretical Chemistry

Cite this

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title = "A structural and m{\"o}ssbauer study of Y3Fe5O 12 nanoparticles prepared with high energy ball milling and subsequent sintering",
abstract = "The influence of ball milling and subsequent sintering of a 3:5 molar mixture of Y2O3 and α-Fe2O3 on the formation of nanocrystalline Y3Fe5O12 (YIG) particles is studied. Pre-milling the mixture for 100 h lowers the onset temperature at which the material forms to 900°C which is 200°C lower than that reported when a similar mixture of reactants was premilled for shorter times. A single-phased nanocrystalline Y3Fe5O 12 phase develops as a sole product when the pre-milled mixture is heated at 1,000°C (12 h). This temperature is ~300-400°C lower than those used to prepare the material conventionally. The bulk and surface crystal structure of the nanoparticles is studied with X-ray diffraction, M{\"o}ssbauer spectroscopy, Atomic Force Microscope (AFM) and X-ray photoelectron spectroscopy.",
keywords = "AFM, Ball milling, M{\"o}ssbauer spectroscopy, XPS, XRD, YIG",
author = "Widatallah, {H. M.} and C. Johnson and Al-Harthi, {S. H.} and Gismelseed, {A. M.} and Al-Rawas, {A. D.} and Stewart, {S. J.} and Elzain, {M. E.} and Al-Omari, {I. A.} and Yousif, {A. A.}",
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AU - Widatallah, H. M.

AU - Johnson, C.

AU - Al-Harthi, S. H.

AU - Gismelseed, A. M.

AU - Al-Rawas, A. D.

AU - Stewart, S. J.

AU - Elzain, M. E.

AU - Al-Omari, I. A.

AU - Yousif, A. A.

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N2 - The influence of ball milling and subsequent sintering of a 3:5 molar mixture of Y2O3 and α-Fe2O3 on the formation of nanocrystalline Y3Fe5O12 (YIG) particles is studied. Pre-milling the mixture for 100 h lowers the onset temperature at which the material forms to 900°C which is 200°C lower than that reported when a similar mixture of reactants was premilled for shorter times. A single-phased nanocrystalline Y3Fe5O 12 phase develops as a sole product when the pre-milled mixture is heated at 1,000°C (12 h). This temperature is ~300-400°C lower than those used to prepare the material conventionally. The bulk and surface crystal structure of the nanoparticles is studied with X-ray diffraction, Mössbauer spectroscopy, Atomic Force Microscope (AFM) and X-ray photoelectron spectroscopy.

AB - The influence of ball milling and subsequent sintering of a 3:5 molar mixture of Y2O3 and α-Fe2O3 on the formation of nanocrystalline Y3Fe5O12 (YIG) particles is studied. Pre-milling the mixture for 100 h lowers the onset temperature at which the material forms to 900°C which is 200°C lower than that reported when a similar mixture of reactants was premilled for shorter times. A single-phased nanocrystalline Y3Fe5O 12 phase develops as a sole product when the pre-milled mixture is heated at 1,000°C (12 h). This temperature is ~300-400°C lower than those used to prepare the material conventionally. The bulk and surface crystal structure of the nanoparticles is studied with X-ray diffraction, Mössbauer spectroscopy, Atomic Force Microscope (AFM) and X-ray photoelectron spectroscopy.

KW - AFM

KW - Ball milling

KW - Mössbauer spectroscopy

KW - XPS

KW - XRD

KW - YIG

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