Search Results - "Greve, D.W."

Simulation of microelectrode impedance changes due to cell growth by Xiaoqiu Huang, Duc Nguyen, Greve, D.W., Domach, M.M.

“…Observation of impedance changes caused by cell growth on microelectrodes provides information about cell coverage and other important quantities, such as the…”
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Generation and detection of guided waves using PZT wafer transducers by Nienwenhui, J.H., Neumann, J.J., Greve, D.W., Oppenheim, I.J.

“…We report here the use of finite element simulation and experiments to further explore the operation of the wafer transducer. We have separately modeled the…”
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Electrical characterization of coupled and uncoupled MEMS ultrasonic transducers by Oppenheim, I.J., Jain, A., Greve, D.W.

“…We report electrical characterization of micromachined polysilicon capacitive diaphragms for use as ultrasonic transducers. Admittance measurements yield…”
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Optimization of wireless coupling to SAW sensors by Greve, D.W., Devkota, Jagannath, Ohodnicki, Paul

“…Wireless interrogation of surface acoustic wave sensors can be accomplished either by inductive or electromagnetic (antenna) coupling. In order to optimize the…”
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Properties of Si donors and persistent photoconductivity in AlGaN by Polyakov, A.Y., Smirnov, N.B., Govorkov, A.V., Mil'vidskii, M.G., Redwing, J.M., Shin, M., Skowronski, M., Greve, D.W., Wilson, R.G.

“…The behavior of Si donors was studied in Al x Ga 1− x N films with composition 0< x<0.6. It is shown that the Si donors ionization energy increases from 18 meV…”
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MEMS ultrasonic transducers for the testing of solids by Oppenheim, I.J., Jain, A., Greve, D.W.

“…Arrays of capacitive diaphragm ultrasonic transducers could potentially be used for non-destructive ultrasonic testing and structural monitoring. In this…”
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Structure of clean and arsenic-covered GaN(0 0 0 1) surfaces by Ramachandran, V, Lee, C.D, Feenstra, R.M, Smith, A.R, Northrup, J.E, Greve, D.W

“…The effect of trace arsenic on the growth and surface structure of GaN(0 0 0 1) has been studied. We find that a partial pressure of only 10 −9 Torr of arsenic…”
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High-performance thin-film transistors in low-temperature crystallized LPCVD amorphous silicon films by Hatalis, M.K., Greve, D.W.

“…Thin-film transistors (TFT's) were fabricated in low-temperature (550°C) crystallized amorphous LPCVD silicon films. The performance of these devices was found…”
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An Inductively Coupled Lamb Wave Transducer by Greve, D.W., Sohn, H., Yue, C.P., Oppenheim, I.J.

“…Wafer-type piezoelectric transducers are effective transducers for the excitation and detection of ultrasonic Lamb waves in plate-like structures. Such…”
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Interfacial oxide, grain size, and hydrogen passivation effects on polysilicon emitter transistors by Potyraj, P.A., Chen, D.-L., Hatalis, M.K., Greve, D.W.

“…The influence of several process variables on the characteristics of polysilicon emitter transistors is studied. The diffusion length of the polysilicon layer…”
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Low-temperature polycrystalline silicon thin-film transistors for displays by Biay-Cheng-Hseih, Hatalis, M.K., Greve, D.W.

“…Polycrystalline silicon thin-film transistors (TFTs) have been fabricated with low-temperature (600 degrees C) oxidized semi-insulating polysilicon (SIPOS) as…”
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Si/sub 1-x-y/Ge x C y -channel p-MOSFET's with improved thermal stability by Mocuta, A.C., Greve, D.W.

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Si/sub 1-x-y/GexCy-channel p-MOSFET's with improved thermal stability by Mocuta, A.C., Greve, D.W.

“…We report the fabrication of heterostructure Si/sub 1-x-y/Ge/sub x/C/sub y/ channel p-MOSFETs with low-carbon Si/sub 1-x-y/Ge/sub x/C/sub y/ channels. The use…”
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GaN(0001) surface structures studied using scanning tunneling microscopy and first-principles total energy calculations by SMITH, A. R, FEENSTRA, R. M, GREVE, D. W, SHIN, M.-S, SKOWRONSKI, M, NEUGEBAUER, J, NORTHRUP, J. E

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Wireless CO2 SAW Sensors with a Nanoporous ZIF-8 Sensing Layer by Greve, D.W., Devkota, Jagannath, Ohodnicki, Paul

“…Wireless surface acoustic wave gas sensors are potentially valuable for detecting leakage from pipelines or carbon sequestration wells. Metal organic framework…”
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Characterization and Noise Analysis of Capacitive MEMS Acoustic Emission Transducers by Wei Wu, Greve, D.W., Oppenheim, I.J.

“…Resonant type capacitive MEMS transducers were fabricated using a multi-user MEMS process (MUMPs) for the detection of acoustic emission (AE). Electrical and…”
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UHV/CVD growth of Co on Si(0 0 1) using cobalt carbonyl by Zhao, Q., Greve, D.W., Barmak, K.

“…We report studies of the growth of cobalt from cobalt carbonyl (Co 2(CO) 8) under ultrahigh vacuum conditions on Si(1 0 0) wafers. Thermal desorption mass…”
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Fibroblast growth and H-7 protein kinase inhibitor response monitored in microimpedance sensor arrays by Nguyen, Duc D., Huang, Xiaoqiu, Greve, David W., Domach, Michael M.

“…Functional genomic studies and drug candidate testing both require high throughput, parallel experimentation strategies to screen for variable cellular…”
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Forces and Torques on Rods in an Ultrasonic Standing Wave by Greve, D.W., Dauson, E.R., Oppenheim, I.J.

“…In this paper we observe and simulate the effect of ultrasonic standing waves on elongated obj ects, including interactions between multiple objects. Alignment…”
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Si–Ge–C growth and devices by Greve, D.W.

“…Silicon–germanium can now be regarded as a relatively well-established technology, and consequently much recent work has addressed the additional possibilities…”
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