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035			_a(RuTPU)RU\TPU\network\14311
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090			_a649150
100			_a20160622a2016 k y0engy50 ba
101	0		_aeng
102			_aUS
135			_adrcn ---uucaa
181		0	_ai
182		0	_ab
200	1		_aFlexible antibacterial Zr-Cu-N thin films resistant to cracking _fY. Musil [et al.]
203			_aText _celectronic
300			_aTitle screen
320			_a[References: 40 tit.]
330			_aThis study investigates how the Cu concentration in Zr-Cu-N films affects the films' antibacterial capacity and mechanical properties. Zr-Cu-N films were prepared by reactive magnetron sputtering from composed Zr/Cu targets using a dual magnetron in an Ar + N2 mixture. The antibacterial capacity of Zr-Cu-N films was tested on Escherichia coli (E. coli) bacteria. The mechanical properties of Zr-Cu-N filmswere determined from the load vs. displacement curves measured using a Fisherscope H 100microhardness tester. The antibacterial capacity was modulated by the amount of Cu added to the Zr-Cu-N film. The mechanical properties were varied based on the energy Ei delivered to the growing film by bombarding ions. It was found that it is possible to form Zr-Cu-N films with Cu concentrations ≥10 at. % that simultaneously exhibit (1) 100% killing efficiency Ek for E. colibacteria on their surfaces, and (2) (1) high hardness H of about 25 GPa, (2) high ratio H/E* ≥ 0.1, (3) high elastic recovery We ≥ 60% and (4) compressive macrostress (σ < 0). The Zr-Cu-N films with these parameters are flexible/antibacterial filmsthat exhibit enhanced resistance to cracking. This enhanced resistance was tested by (1) bending the Mo and Ti strip coated by sputtered Zr-Cu-N films (bending test) and (2) loading the surface of the Zr-Cu-Nsputtered on a Si substrate by a diamond indenter at high loads up to 1 N (indentation test). Physical, mechanical, and antibacterial properties of Zr-Cu-N films are described in detail. In summary, it can be concluded that Zr-Cu-N is a promising new material for creating flexible antibacterial coatings on contact surfaces.
333			_aРежим доступа: по договору с организацией-держателем ресурса
461			_tJournal of Vacuum Science and Technology A
463			_tVol. 34, iss. 2 _v[7 p.] _d2015
610	1		_aэлектронный ресурс
610	1		_aтруды учёных ТПУ
701		1	_aMusil _bY. _cphysicist _cLeading researcher of Tomsk Polytechnic University, Doctor of physical and mathematical sciences _f1934- _gYindrikh _2stltpush _3(RuTPU)RU\TPU\pers\36957
701		1	_aZitek _bM. _gMichal
701		1	_aFajfrlik _bK. _gKarel
701		1	_aCerstvy _bR. _gRadomir
712	0	2	_aНациональный исследовательский Томский политехнический университет (ТПУ) _bИнститут физики высоких технологий (ИФВТ) _bЛаборатория № 1 _h6378 _2stltpush _3(RuTPU)RU\TPU\col\19035
801		2	_aRU _b63413507 _c20160622 _gRCR
856	4		_uhttp://dx.doi.org/10.1116/1.4937727
942			_cCF