Search Results - "Postma, H."

Tuning nonlinearity, dynamic range, and frequency of nanomechanical resonators by Kozinsky, I., Postma, H. W. Ch, Bargatin, I., Roukes, M. L.

“…We explore an electrostatic mechanism for tuning the nonlinearity of nanomechanical resonators and increasing their dynamic range for sensor applications. We…”
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Basins of attraction of a nonlinear nanomechanical resonator by Kozinsky, I, Postma, H W Ch, Kogan, O, Husain, A, Roukes, M L

“…We present an experiment that systematically probes the basins of attraction of two fixed points of a nonlinear nanomechanical resonator and maps them out with…”
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Carbon Nanotube Single-Electron Transistors at Room Temperature by Henk W. Ch. Postma, Teepen, Tijs, Yao, Zhen, Grifoni, Milena, Dekker, Cees

“…Room-temperature single-electron transistors are realized within individual metallic single-wall carbon nanotube molecules. The devices feature a short (down…”
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Dynamic range of nanotube- and nanowire-based electromechanical systems by Postma, H. W. Ch, Kozinsky, I., Husain, A., Roukes, M. L.

“…Nanomechanical resonators with high aspect ratio, such as nanotubes and nanowires are of interest due to their expected high sensitivity. However, a strongly…”
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Ballistic phonon thermal transport in multiwalled carbon nanotubes by CHIU, H.-Y, DESHPANDE, V. V, POSTMA, H. W. Ch, LAU, C. N, MIKO, C, FORRO, L, BOCKRATH, M

“…We report electrical transport experiments, using the phenomenon of electrical breakdown to perform thermometry, that probe the thermal properties of…”
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Carbon Nanotube Linear Bearing Nanoswitches by Deshpande, V. V, Chiu, H.-Y, Postma, H. W. Ch, Mikó, C, Forró, L, Bockrath, M

“…We exploit the remarkable low-friction bearing capabilities of multiwalled carbon nanotubes (MWNTs) to realize nanoelectromechanical switches. Our switches…”
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Policy driven changes in animal research practices: mapping researchers' attitudes towards animal-free innovations using the Netherlands as an example by Bressers, S, van den Elzen, H, Gräwe, C, van den Oetelaar, D, Postma, P H A, Schoustra, S K

“…Reducing the number of animals used in experiments has become a priority for the governments of many countries. For these reductions to occur, animal-free…”
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The metal compositions of a series of Geistingen-type socketed axes by Postma, H., Schillebeeckx, P., Kockelmann, W.

“…The bulk metal compositions of twelve socketed axes of the Geistingen type are determined in a fully non-destructive manner by neutron resonance-capture…”
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Non-destructive analysis of objects using neutron resonance capture by Postma, H., Schillebeeckx, P.

“…In this paper we discuss an analytical method, neutron-resonance-capture-analysis (NRCA), which uses the energies of resonances to recognize elements. These…”
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Correlated tunneling in intramolecular carbon nanotube quantum dots by Thorwart, M, Grifoni, M, Cuniberti, G, Postma, H W Ch, Dekker, C

“…We investigate correlated electronic transport in single-walled carbon nanotubes with two intramolecular tunneling barriers. We suggest that below a…”
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NEUTRON RESONANCE CAPTURE ANALYSIS OF SOME GENUINE AND FAKE ETRUSCAN COPPER ALLOY STATUETTES by POSTMA, H., SCHILLEBEECKX, P., HALBERTSMA, R. B.

“…The probability of nuclei capturing neutrons reveals sharp peaks, so‐called ‘resonances’, which occur at neutron energies that are specific for each element…”
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Quantitative neutron capture resonance analysis verified with instrumental neutron activation analysis by Blaauw, M., Postma, H., Mutti, P.

“…The newly developed elemental analysis technique Neutron Resonance Capture Analysis (NRCA) was verified by analyzing a prehistoric bronze arrowhead with both…”
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Neutron resonance capture and neutron diffraction analysis of Roman bronze water taps by Schut, P. A. C., Kockelmann, W., Postma, H., Visser, D., Schillebeeckx, P., Wynants, R.

“…Parts of four Roman bronze water taps, excavated in The Netherlands consisting of two cylinders and two cylinder housings, were non-destructively investigated…”
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An attempt to date an antique Benin bronze using neutron resonance capture analysis by Blaauw, M., Postma, H., Mutti, P.

“…Neutron resonance capture analysis was applied to a bronze commemorative plaque from the West-African country Benin. By comparison with recently published…”
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Influence of Sewered Versus Septic Systems on Watershed Exports of E. coli by Iverson, G., Humphrey, C. P., Postma, M. H., O’Driscoll, M. A., Manda, A. K., Finley, A.

“…Elevated bacteria concentrations have led to the impairment (e.g., closures of shellfisheries and recreational beaches) of coastal waters. Although many…”
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Neutron-resonance capture analysis of materials by Postma, H, Blaauw, M, Bode, P, Mutti, P, Corvi, F, Siegler, P

“…In this paper neutron resonance capture analysis (NRCA) is explored as a new method to analyse the elemental composition of materials and objects using a…”
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Neutron analyses of eight Bronze Age swords from Austria: The question of ‘stabbing’ or ‘cut-and-thrust’ weapons by Mödlinger, M., Godfrey, E., Postma, H., Schillebeeckx, P., Kockelmann, W.

“…•Bronze Age swords are rare. Destructive sampling is a constraint on technical studies.•Non-invasive neutron methods are ideal combined with standard…”
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Sign correlations and parity nonconservation for neutron resonances in Th 232 by Frankle, C. M., Bowman, J. D., Bush, J. E., Delheij, P. P. J., Gould, C. R., Haase, D. G., Knudson, J. N., Mitchell, G. E., Penttilä, S., Postma, H., Roberson, N. R., Seestrom, S. J., Szymanski, J. J., Yoo, S. H., Yuan, V. W., Zhu, X.

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Carbon nanotube intramolecular junctions by Dekker, Cees, Yao, Zhen, Postma, Henk W. Ch, Balents, Leon

“…The ultimate device miniaturization would be to use individual molecules as functional devices. Single-wall carbon nanotubes (SWNTs) are promising candidates…”
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Developments and applications of polarized targets by Postma, H.

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