Influence of solid-phase ferritization method on phase composition of lithium-zinc ferrites with various concentration of zinc

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Abstract

Methods of X-ray phase analysis (XRPA) and differential thermogravimetry in a magnetic field (DTG(M)) are used to investigate the phase composition of Li 0.5(1-x)Fe 2.5-0.5x Zn x O 4 (x Zn = 0.2, 0.4, and 0.6) ferrite spinels synthesized at a temperature of 700 °C during 120 min by thermal annealing of a reagent mixture in a furnace and heating of the mixture using high-power beam of accelerated electrons with energy of 2.4 MeV. Thermal ferritization of all compositions leads to the formation of phases whose composition is close to simple monoferrites. Lithium-zinc ferrite phases are formed during annealing under electron irradiation. It is concluded that the rate of controllable diffusion interaction of monoferrite phases significantly increases under conditions of high-power electron irradiation.

Original languageEnglish
Pages (from-to)63-67
Number of pages5
JournalJournal of Thermal Analysis and Calorimetry
Volume109
Issue number1
DOIs
Publication statusPublished - Jul 2012

Fingerprint

Electron irradiation
Ferrites
Lithium
Phase composition
Ferrite
solid phases
Zinc
ferrites
lithium
zinc
electron irradiation
Annealing
Thermogravimetric analysis
Furnaces
annealing
Magnetic fields
thermogravimetry
Heating
X rays
furnaces

Keywords

  • DTG(M) curves
  • Li-Zn ferrite
  • Pulsed electron beam
  • Radiation-thermal method
  • Solid-state synthesis

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Condensed Matter Physics

Cite this

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title = "Influence of solid-phase ferritization method on phase composition of lithium-zinc ferrites with various concentration of zinc",
abstract = "Methods of X-ray phase analysis (XRPA) and differential thermogravimetry in a magnetic field (DTG(M)) are used to investigate the phase composition of Li 0.5(1-x)Fe 2.5-0.5x Zn x O 4 (x Zn = 0.2, 0.4, and 0.6) ferrite spinels synthesized at a temperature of 700 °C during 120 min by thermal annealing of a reagent mixture in a furnace and heating of the mixture using high-power beam of accelerated electrons with energy of 2.4 MeV. Thermal ferritization of all compositions leads to the formation of phases whose composition is close to simple monoferrites. Lithium-zinc ferrite phases are formed during annealing under electron irradiation. It is concluded that the rate of controllable diffusion interaction of monoferrite phases significantly increases under conditions of high-power electron irradiation.",
keywords = "DTG(M) curves, Li-Zn ferrite, Pulsed electron beam, Radiation-thermal method, Solid-state synthesis",
author = "Surzhikov, {Anatoly Petrovich} and Pritulov, {A. M.} and Lysenko, {E. N.} and Sokolovskii, {A. N.} and Vlasov, {V. A.} and Vasendina, {E. A.}",
year = "2012",
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language = "English",
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journal = "Journal of Thermal Analysis and Calorimetry",
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TY - JOUR

T1 - Influence of solid-phase ferritization method on phase composition of lithium-zinc ferrites with various concentration of zinc

AU - Surzhikov, Anatoly Petrovich

AU - Pritulov, A. M.

AU - Lysenko, E. N.

AU - Sokolovskii, A. N.

AU - Vlasov, V. A.

AU - Vasendina, E. A.

PY - 2012/7

Y1 - 2012/7

N2 - Methods of X-ray phase analysis (XRPA) and differential thermogravimetry in a magnetic field (DTG(M)) are used to investigate the phase composition of Li 0.5(1-x)Fe 2.5-0.5x Zn x O 4 (x Zn = 0.2, 0.4, and 0.6) ferrite spinels synthesized at a temperature of 700 °C during 120 min by thermal annealing of a reagent mixture in a furnace and heating of the mixture using high-power beam of accelerated electrons with energy of 2.4 MeV. Thermal ferritization of all compositions leads to the formation of phases whose composition is close to simple monoferrites. Lithium-zinc ferrite phases are formed during annealing under electron irradiation. It is concluded that the rate of controllable diffusion interaction of monoferrite phases significantly increases under conditions of high-power electron irradiation.

AB - Methods of X-ray phase analysis (XRPA) and differential thermogravimetry in a magnetic field (DTG(M)) are used to investigate the phase composition of Li 0.5(1-x)Fe 2.5-0.5x Zn x O 4 (x Zn = 0.2, 0.4, and 0.6) ferrite spinels synthesized at a temperature of 700 °C during 120 min by thermal annealing of a reagent mixture in a furnace and heating of the mixture using high-power beam of accelerated electrons with energy of 2.4 MeV. Thermal ferritization of all compositions leads to the formation of phases whose composition is close to simple monoferrites. Lithium-zinc ferrite phases are formed during annealing under electron irradiation. It is concluded that the rate of controllable diffusion interaction of monoferrite phases significantly increases under conditions of high-power electron irradiation.

KW - DTG(M) curves

KW - Li-Zn ferrite

KW - Pulsed electron beam

KW - Radiation-thermal method

KW - Solid-state synthesis

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U2 - 10.1007/s10973-011-1366-3

DO - 10.1007/s10973-011-1366-3

M3 - Article

VL - 109

SP - 63

EP - 67

JO - Journal of Thermal Analysis and Calorimetry

JF - Journal of Thermal Analysis and Calorimetry

SN - 1388-6150

IS - 1

ER -