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090 _a644912
100 _a20151204d2014 k y0engy50 ba
101 0 _aeng
102 _aNL
105 _ay z 100zy
135 _adrcn ---uucaa
181 0 _ai
182 0 _ab
200 1 _aIonized vapor deposition of antimicrobial Ti–Cu films with controlled copper release
_fV. Stranak, H. Wulff, P. Ksirova [et al.]
203 _aText
_celectronic
300 _aTitle screen
320 _a[References: p. 394 (48 tit.)]
330 _aFormation of Ti-Cu thin films with regard to controlling the copper release is reported in the paper. Copper released from films can inhibit bacterial colonization and can be utilized as an implant surface modification. The copper release has to be controlled (i) to repress the bacteria growth and (ii) to balance the Cu level tolerated by osteoblasts cells. The dual-high power impulse magnetron sputtering superimposed with mid-frequency discharge was employed for ionized vapor deposition of Ti-Cu films. It was found that the microscopical architecture of films is strongly influenced by the pressure during the deposition process. There is an indication that these structural changes are caused by the energy of deposited species (ion distribution functions were measured by time-resolved retarding field analyzer). Grain-like structure with large Cu crystals is formed at higher pressures, i.e. at low ion energies. The grain-like microstructure increases an effective film area which encourages the copper release. It is demonstrated that controlled copper release can be achieved by appropriate setting of the input experimental parameters (pressure, mean discharge current).
333 _aРежим доступа: по договору с организацией-держателем ресурса
461 _tThin Solid Films
_d1967-
463 _tVol. 550
_v[P. 389–394]
_d2015
610 1 _aэлектронный ресурс
610 1 _aтруды учёных ТПУ
701 1 _aStranak
_bV.
_gVitezslav
701 1 _aWulff
_bH.
_gHarm
701 1 _aKsirova
_bP.
_gPetra
701 1 _aZietz
_bC.
_gCarmen
701 1 _aDrache
_bS.
_gSteffen
701 1 _aCada
_bM.
_gMartin
701 1 _aHubicka
_bZ.
_gZdenek
701 1 _aBader
_bR.
_gRainer
701 1 _aTichy
_bM.
_cchemist
_cProfessor of Tomsk Polytechnic University, Doctor of physical and mathematical sciences
_f1947-
_gMilan
_2stltpush
_3(RuTPU)RU\TPU\pers\35771
701 1 _aHelm
_bCh. A.
_gChristiane
701 1 _aHipplera
_bR.
_gRainer
712 0 2 _aНациональный исследовательский Томский политехнический университет (ТПУ)
_bФизико-технический институт (ФТИ)
_bКафедра технической физики (№ 23) (ТФ)
_h52
_2stltpush
_3(RuTPU)RU\TPU\col\18732
801 2 _aRU
_b63413507
_c20210616
_gRCR
856 4 _uhttp://dx.doi.org/10.1016/j.tsf.2013.11.001
942 _cCF