A structural and Mossbauer study of Y(3)Fe(5)O(12) nanoparticles prepared with high energy ball milling and subsequent sintering

作者：Widatallah H M^*; Johnson C; Al Harthi S H; Gismelseed A M; Al Rawas A D; Stewart S J; Elzain M E; Al Omari I A; Yousif A A

来源：Hyperfine Interactions, 2008, 183(1-3): 87-92.

DOI：10.1007/s10751-008-9734-5

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

The influence of ball milling and subsequent sintering of a 3:5 molar mixture of Y(2)O(3) and alpha-Fe(2)O(3) on the formation of nanocrystalline Y(3)Fe(5)O(12) (YIG) particles is studied. Pre-milling the mixture for 100 h lowers the onset temperature at which the material forms to 900 degrees C which is 200 degrees C lower than that reported when a similar mixture of reactants was premilled for shorter times. A single-phased nanocrystalline Y(3)Fe(5)O(12) phase develops as a sole product when the pre-milled mixture is heated at 1,000 degrees C (12 h). This temperature is similar to 300-400 degrees 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, Mossbauer spectroscopy, Atomic Force Microscope (AFM) and X-ray photoelectron spectroscopy.

• 出版日期2008-4