1-20 of 264 Search Results for

Chemical Sensors

Follow your search
Access your saved searches in your account

Close Modal
Sort by
Book Chapter
Series: AIPP Books, Principles
Published: March 2023
0
EISBN: 978-0-7354-2439-5
ISBN: 978-0-7354-2436-4
... and uniformity W micro hot plate ,” Sens. Actuators A   279 , 617 – 623 ( 2018 ). 10.1016/j.sna.2018.06.046 Chen , C. , Chen , Y. , Xu , P. , and Li , X. , “ Silicon micro-cantilever chemical sensors fabricated in double-layer silicon-on-insulator (SOI) wafer ,” Microsyst. Technol...
Book Chapter
Series: AIPP Books, Principles
Published: March 2023
10.1063/9780735424395_008
EISBN: 978-0-7354-2439-5
ISBN: 978-0-7354-2436-4
... ).The potential of MCs as physical and chemical sensors was first explored in the mid-1990s by two research groups: Thundat and coworkers at Oakridge National Laboratory ( Thundat et al., 1995 ) and Jim Gimzewski and Christopher Gerber at IBM Zurich ( Gimzewski et al., 1994 ). Since...
Images
(a) Schematic of a self-leveling capacitive VOC <span class="search-highlight">sensor</span>. (b) SEM image of th...
Published: March 2023
FIG. 8.4 (a) Schematic of a self-leveling capacitive VOC sensor. (b) SEM image of the self-leveling sensor (i) 450 µm long device with PDMS polymer and (ii) magnified image of the suspended top electrode of the device with etch holes (i) Reproduced with permission from Likhite et al., Sens. Actuators B Chem. 311 , 127817 (2020). Copyright 2020 Elsevier. (c) SEM images of AlGaN/GaN heterostructure based dual channel MC heater design [(i) and (ii)] SEM images of a monolithic tip dual channel MC heater. The sensor and heater channels are visible in (ii). (iii) and (iv) Split tip dual channel MC heater with sensor and heater channels marked in (iv). Reproduced with permission from Jahangir and Koley, Sci. Rep. 6 , 28735 (2016). Copyright 2020 Author(s), licensed under a Creative Commons Attribution 3.0 Unported License. (d) Graphene membrane resonators (i) angled SEM image of suspended graphene membranes over fabricated trenches in SiO2. (ii) Angled SEM of an array of graphene membranes. (iii) Optical image of a large array of graphene membranes. Reprinted with permission from van der Zande et al., Nano Lett. 10 (12), 4869–4873 ( 2010 ). Copyright 2010 American Chemical Society. More about this image found in (a) Schematic of a self-leveling capacitive VOC sensor. (b) SEM image of th...
Book
Book Cover Image
Series: AIPP Books, Principles
Published: March 2023
10.1063/9780735424395
EISBN: 978-0-7354-2439-5
ISBN: 978-0-7354-2436-4
Images
(a) A closed membrane type MEMS-based gas <span class="search-highlight">sensor</span> with Si<sub>3</sub>N<sub>4</sub>...
Published: March 2023
FIG. 8.6 (a) A closed membrane type MEMS-based gas sensor with Si3N4 as passivation layer and nanostructured SnO2 hollow sphere array. Reprinted with permission from Rao et al., ACS Appl. Mater. Interfaces 9 (3), 2634–2641 (2017). Copyright 2017 American Chemical Society. (b) Another closed membrane type microheater design with SiO2 passivation layer and transparent ITO electrodes with ZnO nanowires as sensing element. Reprinted with permission from Hsueh et al., Sens. Actuators B Chem. 304 , 127319 (2020). Copyright 2020 Elsevier. (c) Top view and section view of a suspended membrane type structure of microheater design. Reprinted with permission from Zhou et al., Sens. Actuators A 223 , 67–75 (2015). Copyright 2015 Elsevier. More about this image found in (a) A closed membrane type MEMS-based gas sensor with Si3N4...
Book Chapter
Series: AIPP Books, Principles
Published: March 2023
10.1063/9780735424395_003
EISBN: 978-0-7354-2439-5
ISBN: 978-0-7354-2436-4
.... Introduction Microcantilever-based sensors are one of the most versatile sensors in today's field with potential applications in biological, chemical, and physical sciences ( Ma et al., 2019 ). One of the important advantages of this kind of sensors is that they can be batch-produced through...
Book Chapter
Series: AIPP Books, Principles
Published: March 2023
10.1063/9780735424395_004
EISBN: 978-0-7354-2439-5
ISBN: 978-0-7354-2436-4
... applications of the MEMS in healthcare (sensors, actuators, drug delivery, etc.), environmental stimuli detection (chemical and gas sensors), household, internet-of-things (IoT) and many more. The basic goal of MEMS research has always been inclined towards improvement in reliability and performance, enhanced...
Book Chapter
Series: AIPP Books, Methods
Published: March 2023
10.1063/9780735425743_008
EISBN: 978-0-7354-2574-3
ISBN: 978-0-7354-2572-9
... traditional principles learned in a chemical engineering education is also critical. However, cybersecurity is not a traditional component of chemical engineering education at the undergraduate or graduate level, which raises the question of what the role of chemical engineers in the security of control...
Book Chapter
Series: AIPP Books, Principles
Published: March 2023
0
EISBN: 978-0-7354-2439-5
ISBN: 978-0-7354-2436-4
... ( 2001 ). 10.1016/S0956-5663(01)00168-3 Hierlemann , A. , Lange , D. , Hagleitner , C. , Kerness , N. , Koll , A. , Brand , O.   et al. , “ Application-specific sensor systems based on CMOS chemical microsensors ,” Sens. Actuators B Chem.   70 ( 1–3 ), 2 – 11 ( 2000...
Book Chapter
Series: AIPP Books, Principles
Published: March 2023
10.1063/9780735424395_005
EISBN: 978-0-7354-2439-5
ISBN: 978-0-7354-2436-4
... followed the trends in scaling laws and performance characteristics, calling for more innovations in materials and manufacturing to keep up with the increasing demands of modern devices with MEMS sensors ( Hoefflinger, 2016 ). Factors such as advances in micro-fabrication processes have in part enabled...
Book Chapter
Series: AIPP Books, Principles
Published: March 2023
10.1063/9780735425590_004
EISBN: 978-0-7354-2559-0
ISBN: 978-0-7354-2556-9
... lattice strain and electronic structure changes leading to the conductance modulation in semiconductors is of long-standing interest in materials science and has potential applications in piezoresistive strain gauges, pressure sensors, and cantilever force sensors. Studies have shown that the electronic...
Book Chapter
Series: AIPP Books, Principles
Published: March 2023
0
EISBN: 978-0-7354-2439-5
ISBN: 978-0-7354-2436-4
... of a micromechanical resonator with a quantum-limited optomechanical sensor ,” Phys. Rev. Lett.   97 ( 13 ), 133601 ( 2006b ). 10.1103/PhysRevLett.97.133601 Ashkin , A. and Dziedzic , J. M. , “ Observation of resonances in the radiation pressure on dielectric spheres ,” Phys. Rev. Lett.   38 ( 23...
Book
Book Cover Image
Series: AIPP Books, Professional
Published: March 2023
10.1063/9780735425712
EISBN: 978-0-7354-2571-2
ISBN: 978-0-7354-2568-2
Book Chapter
Series: AIPP Books, Principles
Published: March 2023
10.1063/9780735424395_007
EISBN: 978-0-7354-2439-5
ISBN: 978-0-7354-2436-4
... bandwidth filters. High Q resonators made using rings/disks/spheres can have high sensitivity to optical parameter changes, which are brought about by mechanical means in MOEMS, thereby enhancing the sensitivity of sensors, power consumption of switches, and special functionality in actuators. Present-day...
Book Chapter
Series: AIPP Books, Methods
Published: March 2023
EISBN: 978-0-7354-2574-3
ISBN: 978-0-7354-2572-9
... for hybrid modeling of lab-scale batch fermentation for β-carotene production using Saccharomyces cerevisiae ,” Chem. Eng. Res. Des.   179 , 415 – 423 ( 2022 ). 10.1016/j.cherd.2022.01.041 Bangi , M. S. F. and Kwon , J. S. , “ Deep hybrid modeling of chemical process...
Book Chapter
Series: AIPP Books, Principles
Published: March 2023
0
EISBN: 978-0-7354-2559-0
ISBN: 978-0-7354-2556-9
... in VO2 nanobeam and its application as flexible strain sensor ,” Adv. Mater.   22 , 5134 – 5139 ( 2010 ). 10.1002/adma.201002868 Hu , B. , Zhang , Y. , Chen , W.   et al. , “ Self-heating and external strain coupling induced phase transition of VO2 nanobeam as single...
Book
Book Chapter
Series: AIPP Books, Principles
Published: March 2023
10.1063/9780735424395_006
EISBN: 978-0-7354-2439-5
ISBN: 978-0-7354-2436-4
... al., 1965 ), the first MEMS-based device called a resonant gate transistor was demonstrated to combine mechanical and electrical parts on a single platform on a micron scale. Since then, a number of MEMS devices, e.g., pressure sensors ( Basu et al., 2020a , 2020b, 2020c...
Book Chapter
Series: AIPP Books, Methods
Published: March 2023
10.1063/9780735425743_011
EISBN: 978-0-7354-2574-3
ISBN: 978-0-7354-2572-9
...., 2004 ; and Phillips et al., 2013 ). Therefore, simultaneously producing paper with superior grades as well as value-added chemicals is the primary challenge that the paper and pulp industry has tried to address in recent years. It is to be noted that realizing both of these objectives...
Book Chapter
Series: AIPP Books, Professional
Published: March 2023
10.1063/9780735425514_001
EISBN: 978-0-7354-2551-4
ISBN: 978-0-7354-2548-4
... related to expressing frustration, social interaction (e.g., over- or under-participating in a group discussion), and rigidity/inflexibility. Participants described how rigidity and inflexibility could be assets in STEM fields, such as supporting precision necessary for measuring chemicals, solving...