X-RAY PHOTOELECTRON-SPECTROSCOPY CHARACTERIZATION OF ION-BEAM SPUTTER-DEPOSITED CALCIUM-PHOSPHATE COATINGS

被引：36
作者：
ONG, JL
HARRIS, LA
LUCAS, LC
LACEFIELD, WR
RIGNEY, D
机构：
[1] OAK RIDGE NATL LAB,OAK RIDGE,TN 37831
[2] UNIV ALABAMA,DEPT DENT BIOMAT,BIRMINGHAM,AL 35294
[3] UNIV ALABAMA,DEPT MAT SCI & ENGN,BIRMINGHAM,AL 35294
来源：
JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 1991年 / 74卷 / 09期
关键词：
calcium phosphate; coatings; flouroapatite; hydroxy‐apatite; X‐ray photoelectron spectroscopy;
D O I：
10.1111/j.1151-2916.1991.tb08301.x
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
X-ray photoelectron spectroscopy (XPS) analysis of sputter-deposited calcium phosphate coatings on titanium substrates revealed four distinct zones. The ambient-exposed surface exhibited elevated concentrations of carbon because of atmospheric contamination. The bulk zone contained relatively constant concentrations of calcium, oxygen, phosphorus, and fluorine indicating the chemistry for calcium fluoride (CaF2) and fluorapatite (Ca5(PO4)3F) formation. The transitional zone exhibited elevated titanium and oxygen photoelectron peaks suggesting the coexistence of calcium phosphate compounds within the titanium oxide. The substrate was shown to be identical to the passivated titanium surface prior to deposition.
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页码：2301 / 2304
页数：4
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