Electronic states spectroscopy of hydroxyapatite ceramics.
Photoluminescence, surface photovoltage spectroscopy and high-resolution characterization methods (Atomic Force Microscopy, Scanning Electron Microscopy, X-ray spectroscopy and DC conductivity) are applied to nanostructured Hydroxyapatite (HAp) bioceramics and allowed to study electron (hole) energy states spectra of the HAp and distinguish bulk and surface localized levels. The measured trap spectra show strong sensitivity to preliminary heat treatment of the ceramics. It is assumed that found deep electron (hole) charged states are responsible for high bioactivity of the HAp nanoceramics.
Aronov
Daniel
D
School of Electrical Engineering-Physical Electronics, Tel Aviv University, Tel Aviv, Israel.
Chaikina
Marina
M
Haddad
Jehuda
J
Karlov
Anatoly
A
Mezinskis
Gundars
G
Oster
Leonid
L
Pavlovska
Ilona
I
Rosenman
Gil
G
D001672:Biocompatible Materials / Q000737:chemistry*; D002516:Ceramics / Q000737:chemistry*; D017886:Durapatite / Q000737:chemistry*; D004563:Electrochemistry; D066298:In Vitro Techniques; D008422:Materials Testing; D018625:Microscopy, Atomic Force; D049329:Nanostructures / Q000737:chemistry; D013057:Spectrum Analysis; D014965:X-Rays
D001672:Biocompatible Materials; D017886:Durapatite