Wettability of Thin Silicate-Containing Hydroxyapatite Films Formed by RF-Magnetron Sputtering

被引：6

作者：

Gorodzha, S. N. ^{[1
]}

Surmeneva, M. A. ^{[1
]}

Surmenev, R. A. ^{[1
]}

Gribennikov, M. V. ^{[1
]}

Pichugin, V. F. ^{[1
]}

Sharonova, A. A. ^{[1
]}

Pustovalova, A. A. ^{[1
]}

Prymack, O. ^{[2
]}

Epple, M. ^{[2
]}

Wittmar, A. ^{[3
]}

Ulbricht, M. ^{[3
]}

Gogolinskii, K. V. ^{[4
]}

Kravchuk, K. S. ^{[4
]}

机构：

[1] Natl Res Tomsk Polytech Univ, Tomsk, Russia

[2] Univ Duisburg Essen, Inst Inorgan Chem, Essen, Germany

[3] Univ Duisburg Essen, Chair Tech Chem 2, Essen, Germany

[4] Tech Inst Superhard & Novel Carbon Mat, Troitsk, Russia

来源：

RUSSIAN PHYSICS JOURNAL | 2014年 / 56卷 / 10期

关键词：

calcium-phosphate coating; RF-magnetron sputtering; biocompatibility; wetting ability; SURFACE; COATINGS; RELEASE; ENERGY;

D O I：

10.1007/s11182-014-0157-2

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Using the methods of electron and atomic force microscopy, X-ray structural analysis and measurements of the wetting angle, the features of morphology, structure, contact angle and free surface energy of silicon-containing calcium-phosphate coatings formed on the substrates made from titanium VT1-0 and stainless steel 12Cr18Ni10Ti are investigated. It is shown that the coating - substrate system possesses bimodal roughness formed by the substrate microrelief and coating nanostructure, whose principal crystalline phase is represented by silicon-substituted hydroxiapatite with the size of the coherent scattering region (CSR) 18-26 nm. It is found out that the formation of a nanostructured coating on the surface of rough substrates makes them hydrophilic. The limiting angle of water wetting for the coatings formed on titanium and steel acquires the values in the following ranges: 90-92 and 101-104A degrees, respectively, and decreases with time.

引用

页码：1163 / 1169

页数：7

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