Electrical Conductivity and Optical Properties of Nanoscale Titanium Films on Sapphire for Localized Plasmon Resonance-Based Sensors; Coatings; Vol. 10, iss. 12

Electrical Conductivity and Optical Properties of Nanoscale Titanium Films on Sapphire for Localized Plasmon Resonance-Based Sensors; Coatings; Vol. 10, iss. 12

Bibliographic Details
Parent link:	Coatings Vol. 10, iss. 12.— 2020.— [1165, 7 p.]
Corporate Author:	Национальный исследовательский Томский политехнический университет Инженерная школа ядерных технологий Научно-образовательный центр Б. П. Вейнберга
Other Authors:	Korotkova K. V. Klavdiya Vladimirovna, Bainov D. D. Dashi Dambaevich, Smirnov S. V. Serafim Vsevolodovich, Yunusov I. V. Igor Vladimirovich, Zhidik Yu. S. Yury Sergeevich
Summary:	Title screen The developing area of plasmonics has led to the possibility of creating a new type of high-speed, high-sensitivity optical sensor for biological environment analysis. The functional layer of such biosensors are nanoscale films of noble metals. In this work we suggest using a thin film of titanium as a functional layer. This paper presents the results of the research on electrical and optical characteristics of 5 to 80 nm thick titanium films deposited on sapphire substrates by magnetron sputtering. It is shown that surface plasmon resonance is consistently observed in the investigated titanium films and the theoretical grounds of surface plasmon resonance excitement is given. In structures with titanium films less than 15 nm thick, local plasmon resonance is observed along with surface plasmon resonance. Local plasmon resonance is more sensitive to the surface state of a thin film of titanium, which on the one hand increases the sensitivity of a biosensor, and on the other hand imposes restrictions on the parameters of nanoscale films.
Language:	English
Published:	2020
Subjects:	электронный ресурс труды учёных ТПУ nanoscale titanium films magnetron sputtering surface plasmon resonance localized plasmon resonance наноразмерные пленки магнетронное распыление
Online Access:	https://doi.org/10.3390/coatings10121165
Format:	Electronic Book Chapter
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=663263

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