WebOct 15, 2024 · In overall, the dielectric constant, loss factor and conductivity of the HA/Cs composites are higher than the pure hydroxyapatite nanoparticles and native starch. It is due to the absence of the accumulated charges when the heterogeneous interfacial polarization for the single-phase materials occur [4] , [19] , [20] , [41] . WebApr 12, 2024 · To identify the impurities, XRD, IR, MS measurements were carried out. It was established that the electrical resistance of hydroxyapatite is related to the water content in the samples, nitrous substances and carbonate ions located inside of hydroxyapatite crystal lattice. Energy activation of electrical conductivity in …
Dielectric properties of Fe doped hydroxyapatite …
WebMar 25, 2002 · Abstract Hydroxyapatite (HAp) is the major mineral constituent of bone, and as such, ... In this study, the dielectric constant of polycrystalline hexagonal HAp was … WebJan 15, 2024 · The dielectric constant ... Hydroxyapatite (HAp) is one of the most important bioceramic materials due to its unique bioactivity and stability. Unlike other calcium phosphates, hydroxyapatite is not affected by physiological conditions. It can be preferred for bone bonding as it forms powerful chemical bonds with the surrounding bone. greeshma thampi
Mechanical, Electrical, and Biological Properties of …
WebOct 15, 2024 · The highly crystallized HA/Cs with hydroxyapatite nucleation center presents low optical properties (diffuse reflectance and optical band gap energy). The HA/Cs composite with 80 wt% starch proportion (H2C8) show higher dielectric properties (dielectric constant, loss factor and conductivity) due to the stronger interfacial … WebJan 7, 2024 · Nitrile rubber (NBR) based nanocomposite consists of different concentrations of hydroxyapatite nanoparticles (HA) were prepared and characterized by FTIR, UV and X-ray diffraction studies. The surface morphology of the nanocomposites were analyzed using SEM and optical microscopy. The glass transition temperature and thermal stability of … WebThe dielectric constant formula is: Where: C = capacitance using the material as the dielectric capacitor. C 0 = capacitance using vacuum as the dielectric. ε 0 = Permittivity of free space (8.85 x 10 -12 F/m i.e. Farad per metre) A = Area of the plate/sample cross section area. T = Thickness of the sample. focal point energy