fulltext.study @t Gmail

Structure, microstructure, and magnetism in ferrimagnetic bioceramics

Paper ID Volume ID Publish Year Pages File Format Full-Text
12059 776 2005 8 PDF Available
Title
Structure, microstructure, and magnetism in ferrimagnetic bioceramics
Abstract

The structural and magnetic properties of ferrimagnetic bioglass ceramics in the system [0.45(CaO,P2O5)(0.52−x)SiO2xFe2O3 0.03Na2O], x=0.05, 0.10, 0.15, 0.20 and heat-treated at the temperature range 600–1100 °C are assessed. The structure and microstructure of the samples are characterized with X-ray diffraction, scanning electron microscopy, and energy dispersive X-ray spectroscopy. Calcium phosphate and magnetite develop as the two major crystalline phases. For x=0.10x=0.10 and 0.20, calcium phosphate undergoes a gradual transition from the monoclinic to the rhombohedral crystal system (SG P21/a→R3c) as the heat-treatment temperature increases from 800 to 1100 °C. Dendrites of iron oxide with crystallites of various sizes are observed to form within a glassy matrix enriched in calcium, phosphorous, and silicon. Saturation magnetization, remanence, and coercivity are found from dc magnetic measurements. They vary with the specific processing parameters of the composites, and these are correlated with the observed structure and microstructure of the materials.

Keywords
Calcium phosphate; Ferrimagnetic materials; XRD; Quantitative Rietveld refinement
First Page Preview
Structure, microstructure, and magnetism in ferrimagnetic bioceramics
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us
Publisher
Database: Elsevier - ScienceDirect
Journal: Biomaterials - Volume 26, Issue 24, August 2005, Pages 4924–4931
Authors
, , , ,
Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us