期刊
SENSORS AND ACTUATORS B-CHEMICAL
卷 224, 期 -, 页码 700-713出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.snb.2015.10.066
关键词
Microhotplates; Gas sensors; Ceramic MEMS
资金
- Government of Russian Federation [074-U01]
- Russian Science Foundation [15-13-00166]
- Russian Federation [14.Y30.15.7910-MK]
- Czech Science Foundation (GACR) [14-29531S]
- Russian Science Foundation [15-13-00166] Funding Source: Russian Science Foundation
The target of this work is the demonstration of advanced approaches able to provide non-silicon MEMS platforms for chemical sensor operating under harsh environmental conditions and, on the other hand, to assure microhotplate stable at high temperature, which can be used for the deposition of refractory gassensing materials, for example, oxides of gallium, zirconium, or hafnium. Non-silicon materials that can be used for these MEMS platforms include aluminum oxide, yttria-stabilized zirconia and thin boro silicate glass. It was shown that thin ceramic films made of oxide materials can withstand annealing temperature up to 1000 degrees C, MEMS sensor based on these films consumes <70 mW at continuous heating at 450 degrees C and similar to 1 mW in pulsed heating operation mode. Ceramic MEMS show higher stability at high temperature compared to silicon technology based MEMS, whereas power consumption of both types of devices is comparable. (C) 2015 Elsevier B.V. All rights reserved.
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