Search Results - "Parpia, JM"

Nanomechanical resonant structures in nanocrystalline diamond by Sekaric, L., Parpia, J. M., Craighead, H. G., Feygelson, T., Houston, B. H., Butler, J. E.

“…We report the fabrication and the operation of nanomechanical resonant structures in nanocrystalline diamond. For this purpose, continuous diamond films as…”
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Measurement of mechanical resonance and losses in nanometer scale silicon wires by Carr, Dustin W., Evoy, S., Sekaric, L., Craighead, H. G., Parpia, J. M.

“…We present data on nanofabricated suspended silicon wires driven at resonance. The wires are electrostatically driven and detected optically. We have observed…”
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Dissipation in nanocrystalline-diamond nanomechanical resonators by Hutchinson, A. B., Truitt, P. A., Schwab, K. C., Sekaric, L., Parpia, J. M., Craighead, H. G., Butler, J. E.

“…We have measured the dissipation and frequency of nanocrystalline-diamond nanomechanical resonators with resonant frequencies between 13.7 MHz and 157.3 MHz,…”
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Two-dimensional array of coupled nanomechanical resonators by Zalalutdinov, Maxim K., Baldwin, Jeffrey W., Marcus, Martin H., Reichenbach, Robert B., Parpia, Jeevak M., Houston, Brian H.

“…Two-dimensional arrays of coupled nanomechanical plate-type resonators were fabricated in single crystal silicon using e-beam lithography. Collective modes…”
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Superfluid 3He in aerogel by Porto, JV, Parpia, JM

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Parametric amplification in a torsional microresonator by Carr, Dustin W., Evoy, Stephane, Sekaric, Lidija, Craighead, H. G., Parpia, J. M.

“…We observe parametric amplification in a torsional micron-scale mechanical resonator. An applied voltage is used to make a dynamic change to the torsional…”
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Optically pumped parametric amplification for micromechanical oscillators by Zalalutdinov, M., Olkhovets, A., Zehnder, A., Ilic, B., Czaplewski, D., Craighead, H. G., Parpia, J. M.

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Temperature-dependent internal friction in silicon nanoelectromechanical systems by Evoy, S., Olkhovets, A., Sekaric, L., Parpia, J. M., Craighead, H. G., Carr, D. W.

“…We report the temperature-dependent mechanical properties of nanofabricated silicon resonators operating in the megahertz range. Reduction of temperature leads…”
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Frequency entrainment for micromechanical oscillator by Zalalutdinov, M., Aubin, K. L., Pandey, M., Zehnder, A. T., Rand, R. H., Craighead, H. G., Parpia, J. M., Houston, B. H.

“…We demonstrate synchronization of laser-induced self-sustained vibrations of radio-frequency micromechanical resonators by applying a small pilot signal either…”
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Autoparametric optical drive for micromechanical oscillators by Zalalutdinov, M., Zehnder, A., Olkhovets, A., Turner, S., Sekaric, L., Ilic, B., Czaplewski, D., Parpia, J. M., Craighead, H. G.

“…Self-generated vibration of a disk-shaped, single-crystal silicon micromechanical oscillator was observed when the power of a continuous wave laser, focused on…”
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Nanomechanical resonant structures in silicon nitride: fabrication, operation and dissipation issues by Sekaric, L, Carr, D.W, Evoy, S, Parpia, J.M, Craighead, H.G

“…We report the fabrication of silicon nitride mechanical devices with lateral dimensions as small as 50 nm. The measured resonant frequencies of these devices…”
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Shell-type micromechanical actuator and resonator by Zalalutdinov, Maxim, Aubin, Keith L., Reichenbach, Robert B., Zehnder, Alan T., Houston, Brian, Parpia, Jeevak M., Craighead, Harold G.

“…Dome-shaped radio-frequency micromechanical resonators were fabricated by utilizing the buckling of a prestressed thin polysilicon film. The enhanced rigidity…”
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Transport in unconventional superconductors: Application to liquid He 3 in aerogel by Einzel, Dietrich, Parpia, Jeevak M.

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Superfluid density of He 3 in 98% aerogel in small magnetic fields by Nazaretski, E., Lee, D. M., Parpia, J. M.

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Operation of nanomechanical resonant structures in air by Sekaric, L., Zalalutdinov, M., Bhiladvala, R. B., Zehnder, A. T., Parpia, J. M., Craighead, H. G.

“…We report on the resonant operation of high-quality-factor silicon nanomechanical structures in air and at room temperature. We describe techniques used to…”
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Nanomechanical resonant structures as tunable passive modulators of light by Sekaric, L., Zalalutdinov, M., Turner, S. W., Zehnder, A. T., Parpia, J. M., Craighead, H. G.

“…We report on the optical parametric excitation of silicon nanomechanical resonant structures. The threshold laser power needed to set these structures into…”
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Frequency-tunable micromechanical oscillator by Zalalutdinov, M., Ilic, B., Czaplewski, D., Zehnder, A., Craighead, H. G., Parpia, J. M.

“…An experimental method, employing a scanning tunneling microscope (STM) as an actuator and a scanning electron microscope (SEM) as a motion detector, was…”
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Dissipation Mechanisms near the Superfluid He 3 Transition in Aerogel by Golov, A. I., Einzel, D., Lawes, G., Matsumoto, K., Parpia, J. M.

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Low temperature acoustic properties of amorphous silica and the tunneling model by Thompson, E, Lawes, G, Parpia, JM, Pohl, RO

“…Internal friction and speed of sound were measured on a-SiO2 above 6 mK using a torsional oscillator at 90 kHz, controlling for thermal decoupling, vibrational…”
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Effect of low-level radiation on the low temperature acoustic behavior of a-SiO2 by NAZARETSKI, E, MERITHEW, R. D, KOSTROUN, V. O, ZEHNDER, A. T, POHL, R. O, PARPIA, J. M

“…We report on the mechanical behavior of an a-SiO2 84 kHz torsional oscillator operated between 100> or =T> or =1.0 mK. Below 10 mK we observed…”
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