Search Results - "Polla, Dennis L."

Gigantic enhancement in response and reset time of ZnO UV nanosensor by utilizing Schottky contact and surface functionalization by Zhou, Jun, Gu, Yudong, Hu, Youfan, Mai, Wenjie, Yeh, Ping-Hung, Bao, Gang, Sood, Ashok K., Polla, Dennis L., Wang, Zhong Lin

“…UV response of ZnO nanowire nanosensor has been studied under ambient condition. By utilizing Schottky contact instead of Ohmic contact in device fabrication,…”
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Giant Enhancement in UV Response of ZnO Nanobelts by Polymer Surface-Functionalization by Lao, Chang Shi, Park, Myung-Chul, Kuang, Qin, Deng, Yulin, Sood, Ashok K, Polla, Dennis L, Wang, Zhong L

“…High sensitivity photodetectors are of great significance in developing a new generation of optoelectronic devices in sensing, imaging, and other applications…”
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Measurement of the Raman Line Widths of Neat Benzenethiol and a Self-Assembled Monolayer (SAM) of Benzenethiol on a Silver-Coated Surface-Enhanced Raman Scattering (SERS) Substrate by Aggarwal, Roshan L., Farrar, Lewis W., Greeneltch, Nathan G., Van Duyne, Richard P., Polla, Dennis L.

“…Raman line widths of neat benzenethiol and a self-assembled monolayer (SAM) of benzenethiol on a surface-enhanced Raman scattering (SERS) substrate have been…”
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Measurement of the Surface-Enhanced Coherent Anti-Stokes Raman Scattering (SECARS) Due to the 1574 cm−1 Surface-Enhanced Raman Scattering (SERS) Mode of Benzenethiol Using Low-Power (<20 mW) CW Diode Lasers by Aggarwal, Roshan L., Farrar, Lewis W., Greeneltch, Nathan G., Van Duyne, Richard P., Polla, Dennis L.

“…The surface-enhanced coherent anti-Stokes Raman scattering (SECARS) from a self-assembled monolayer (SAM) of benzenethiol on a silver-coated surface-enhanced…”
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Quantum Technologies for Engineering: the materials challenge by Goh, Kuan Eng Johnson, Krivitsky, Leonid A, Polla, Dennis L

“…The materials challenge is often a major hurdle for translating good ideas in science into technologies. This is no different in the arena of quantum…”
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Patterned Growth of Horizontal ZnO Nanowire Arrays by Xu, Sheng, Ding, Yong, Wei, Yaguang, Fang, Hao, Shen, Yue, Sood, Ashok K, Polla, Dennis L, Wang, Zhong Lin

“…We report an approach to fabricating patterned horizontal ZnO nanowire arrays with a high degree of control over their dimensionality, orientation, and…”
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Growth of Vertically Aligned ZnO Nanobelt Arrays on GaN Substrate by Wei, Yaguang, Ding, Yong, Li, Cheng, Xu, Sheng, Ryo, Jae-Hyun, Dupuis, Russell, Sood, Ashok K, Polla, Dennis L, Wang, Zhong Lin

“…Uniformly aligned ZnO nanobelt (NB) arrays have been grown on a (0001) GaN substrate without foreign catalyst such as Au. The NBs mainly grew along [011̅3] at…”
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Measurement of the surface-enhanced coherent anti-Stokes Raman scattering (SECARS) due to the 1574 cm(-1) surface-enhanced Raman scattering (SERS) mode of benzenethiol using low-power (<20 mW) CW diode lasers by Aggarwal, Roshan L, Farrar, Lewis W, Greeneltch, Nathan G, Van Duyne, Richard P, Polla, Dennis L

“…The surface-enhanced coherent anti-Stokes Raman scattering (SECARS) from a self-assembled monolayer (SAM) of benzenethiol on a silver-coated surface-enhanced…”
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Influence of Interface Structure on Chemical Etching Process for Air Gap of Microelectromechanical System Based on Surface Micromachining by Yoon, Young Soo, Kim, Joon Han, Polla, Dennis. L., Shin, Young Hwa

“…This paper analyses the problems posed by the interface structure during chemical etching by Hydro-fluoric (HF) acid for creating air gaps in…”
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Experimental evaluation of MEMS strain sensors embedded in composites by Hautamaki, C., Zurn, S., Mantell, S.C., Polla, D.L.

“…Micromechanical in-plane strain sensors were fabricated and embedded in fiber-reinforced laminated composite plates. Three different strain sensor designs were…”
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Silicon fabricated submicrometer stepper motor for microsurgical procedures by Peichel, D., Marcus, D., Rizq, R.N., Erdman, A.G., Robbins, W.P., Polla, D.L.

“…A linear stepper motor has been constructed with submicrometer step size and centimeter travel range. Silicon wafers with conventional dielectrics provide a…”
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Embedded Microelectromechanical systems (MEMS) for measuring strain in composites by HAUTAMAKI, C, ZURN, S, MANTELL, S. C, POLLA, D. L

“…MEMS strain sensors here fabricated and embedded in laminated composites were designed to function as part of a wireless-sensing network. The sensing element,…”
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PROCESSING AND CHARACTERIZATION OF PIEZOELECTRIC MATERIALS AND INTEGRATION INTO MICROELECTROMECHANICAL SYSTEMS by Polla, Dennis L, Francis, Lorraine F

“…Piezoelectric materials have been integrated with silicon microelectromechanical systems (MEMS) in both microsensor and microactuator applications. Thin-film…”
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Vertically aligned ZnO nanowire arrays on GaN and SiC substrates by Mai, Wenjie, Gao, Puxian, Lao, Changshi, Wang, Zhong Lin, Sood, Ashok K., Polla, Dennis L., Soprano, Martin B.

“…Growth of vertically aligned ZnO nanowire arrays has been systematically attempted on a variety of important semiconductor substrates, and excellent results…”
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Fabrication process of pzt piezoelectric cantilever unimorphs using surface micromachining by Kim, Joon Han, Wang, Lei, Zurn, Shayne M., Li, Li, Yoon, Young Soo, Polla, Dennis L.

“…This paper discusses the fabrication process and challenges for fabrication of piezoelectric cantilever beam microaccelerometers by using surface…”
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Microdevices in medicine by Polla, D L, Erdman, A G, Robbins, W P, Markus, D T, Diaz-Diaz, J, Rizq, R, Nam, Y, Brickner, H T, Wang, A, Krulevitch, P

“…The application of microelectromechanical systems (MEMS) to medicine is described. Three types of biomedical devices are considered, including diagnostic…”
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Microelectromechanical systems based on ferroelectric thin films by Polla, Dennis L.

“…Ferroelectric thin films have been integrated in silicon-based microelectromechanical systems, commonly called MEMS. Several thin films of the PZT family have…”
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Simulation and fabrication of piezoresistive membrane type MEMS strain sensors by Cao, Li, Kim, Tae Song, Mantell, Susan C., Polla, Dennis L.

“…Two piezoresistive ( n-polysilicon) strain sensors on a thin Si 3N 4/SiO 2 membrane with improved sensitivity were successfully fabricated by using MEMS…”
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Processing and characterization of piezoeletric material and integration into microelectromechanical systems by Polla, Dennis L, Francis, Lorraine F

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Embedded Microelectromechanical Systems(MEMS) for Measuring Strain in Composites by Hautamaki, Charles, Zurn, Shayne, Mantell, Susan C., Polla, Dennis L.

“…Microelectromechanical strain sensors were fabricated and embedded in laminated composites. These small scale sensors were designed to function as part of a…”
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