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Published on: May 2, 2014
Controllability of brushite structural parameters using an applied magnetic field.
V N Kuznetsov1, A A Yanovska1, A S Stanislavov2
1Institute of Applied Physics, National Academy of Sciences of Ukraine, 58, Petropavlovskaya St., 40000 Sumy, Ukraine; Sumy State University, Ministry of Education and Science of Ukraine, 2, Rymskogo-Korsakova St., 40007 Sumy, Ukraine.
Low intensity static magnetic fields influence brushite structure, decreasing crystallite sizes without altering lattice parameters. This magnetic field effect offers control over material properties by modifying crystallization dynamics.
Area of Science:
- Materials Science
- Solid State Physics
- Crystallography
Background:
- Brushite (Dicalcium Phosphate Dihydrate - DCPD) is a precursor in biomineralization and biomaterials.
- Controlling the structural and microstructural properties of DCPD is crucial for its applications.
- The impact of external fields on crystalline material formation is an active area of research.
Purpose of the Study:
- To investigate the influence of low intensity static magnetic fields on the structural and microstructural parameters of brushite.
- To determine how magnetic field configuration and synthesis time affect DCPD properties.
- To explore the potential for controlling DCPD characteristics using magnetic fields.
Main Methods:
- X-ray diffraction (XRD) was employed to analyze structural parameters.
- Transmission electron microscopy (TEM) was used for microstructural characterization.
- Analysis of peak broadening and preferred orientation (Harris method) provided detailed insights.
Main Results:
- Static magnetic fields primarily decrease crystallite sizes of DCPD, with no significant changes in crystal lattice parameters.
- Specific crystallographic planes, (0 2 0) and (1 5 0), showed growth in crystallite sizes after 2 and 3 days of synthesis, respectively.
- Reduced lattice microstrains were observed after 2 days of synthesis under magnetic field influence, alongside an effect resembling preferred orientation.
Conclusions:
- Low intensity static magnetic fields can effectively modify the crystallite size and microstructural properties of brushite.
- The observed effects are dependent on magnetic field configuration and synthesis duration, enabling tunable material properties.
- This study demonstrates a method for controlling DCPD characteristics, potentially enhancing its utility in various applications.
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