X-RAY PEAK BROADENING ANALYSIS IN FE3O4 NANO-PARTICLES

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GHOLIZADEH AHMAD

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Seminar Paper

Paper Information

Seminar: SYMPOSIUM OF CRYSTALLOGRAPHY AND MINERALOGY OF IRAN
Year:2016 | Issue:23

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Title

X-RAY PEAK BROADENING ANALYSIS IN FE3O4 NANO-PARTICLES

Author(s)

GHOLIZADEH AHMAD

Keywords

FE3O4

CUBIC SPINEL STRUCTURE

CRYSTALLITE SIZES

LATTICE MICRO-STRAIN

ISOTROPIC LINE BROADENING

Abstract

IN THIS WORK, STRUCTURAL PROPERTIES OF FE3O4 COMPOUND PREPARED BY CO-PRECIPITATION TECHNIQUE AND ANNEALED IN PRESENCE OF OXYGEN AT 200OC IS INVESTIGATED. THE STRUCTURAL CHARACTERIZATION OF FE3O4 NANO-PARTICLES USING X’PERT PACKAGE AND FULLPROF PROGRAM IS EVIDENCE FOR A CUBIC STRUCTURE (F D- 3M SPACE GROUP). THIS RESULT HAS BEEN CONFIRMED BY FTIR MEASUREMENT. IN ADDITION, A COMPARATIVE STUDY OF THE CRYSTALLITE SIZE OF THE COMPOUNDS OBTAINED FROM POWDER XRD IS REPORTED. THE WILLIAMSON-HALL ANALYSIS, SIZE-STRAIN PLOT AND HALDER-WAGNER METHODS WERE USED TO STUDY THE INDIVIDUAL CONTRIBUTIONS OF CRYSTALLITE SIZES AND LATTICE MICRO-STRAIN ON ISOTROPIC LINE BROADENING OF ALL THE REFLECTION PEAKS OF THE FE3O4 COMPOUND AND THE CRYSTALLITE SIZES RESULTS ARE COMPARED WITH THE SCHERER AND TEM METHODS. THE RESULTS SHOW THE H-W METHOD IS MORE ACCURATE, WITH ALL DATA POINTS TOUCHING THE FITTING LINE BETTER THAN THE OTHER METHODS. ALSO, THE CRYSTALLITE SIZE DH-W IS DIFFERENT TO THE PARTICLE SIZE DTEM DUE TO THE IRREGULAR SHAPE OF NANOPARTICLES.

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APA: Copy

GHOLIZADEH, AHMAD. (2016). X-RAY PEAK BROADENING ANALYSIS IN FE₃O₄ NANO-PARTICLES. SYMPOSIUM OF CRYSTALLOGRAPHY AND MINERALOGY OF IRAN. SID. https://sid.ir/paper/926398/en

Vancouver: Copy

GHOLIZADEH AHMAD. X-RAY PEAK BROADENING ANALYSIS IN FE₃O₄ NANO-PARTICLES. 2016. Available from: https://sid.ir/paper/926398/en

IEEE: Copy

AHMAD GHOLIZADEH, “X-RAY PEAK BROADENING ANALYSIS IN FE₃O₄ NANO-PARTICLES,” presented at the SYMPOSIUM OF CRYSTALLOGRAPHY AND MINERALOGY OF IRAN. 2016, [Online]. Available: https://sid.ir/paper/926398/en

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