Search Results - "Mammana, V. P."

Free-standing subnanometer graphite sheets by Wang, J. J., Zhu, M. Y., Outlaw, R. A., Zhao, X., Manos, D. M., Holloway, B. C., Mammana, V. P.

“…Free-standing graphite sheets with thickness less than 1nm, “carbon nanosheets,” were synthesized on a variety of substrates by radio-frequency plasma-enhanced…”
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Patterning quality control of inkjet printed PEDOT:PSS films by wetting properties by Ely, F., Avellaneda, C.O., Paredez, P., Nogueira, V.C., Santos, T.E.A., Mammana, V.P., Molina, C., Brug, J., Gibson, G., Zhao, L.

“…[Display omitted] ► Surface treatment improves the quality of inkjet printed patterns. ► Higher surface free energy results in smoother and more uniform PEDOT…”
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WCCo cutting tool inserts with diamond coatings by Silva, S., Mammana, V.P., Salvadori, M.C., Monteiro, O.R., Brown, I.G.

“…WCCo cutting tool inserts were coated with diamond films using microwave plasma assisted chemical vapor deposition. Several pretreatment processes and…”
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Electron emission from films of carbon nanotubes and ta-C coated nanotubes by Dimitrijevic, S., Withers, J. C., Mammana, V. P., Monteiro, O. R., Ager, J. W., Brown, I. G.

“…The field emission properties of multiwall carbon nanotube films with and without a coating of tetrahedrally bonded amorphous carbon (ta-C) were investigated…”
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Porous freestanding diamond membranes with reduced pore diameter by Mammana, V.P., Silva, S., Mansano, R.D., Verdonck, P., Pavani Filho, A., Salvadori, M.C., Brown, I.G.

“…We have shown previously that porous diamond membranes can be fabricated using a method based on growing diamond on a patterned silicon substrate. The…”
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Microstructure and electron emission properties of films prepared from single-wall and multi-wall nanotubes containing powders by MONTEIRO, O. R, MAMMANA, V. P, SALVADORI, M. C, AGER, J. W, DIMITRIJEVIC, S

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New field-emission device with improved vacuum features by Mammana, V. P., Degasperi, F. T., Monteiro, O. R., Vuolo, J. H., Salvadori, M. C., Brown, I. G.

“…We introduce in this article a novel geometry that can be used in the manufacturing of field-emission displays. The geometry proposed combines superior vacuum…”
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A statistical evaluation of the field emission for copper oxide nanostructures by da Rocha, M.S.F., Santos, T.E.A., de Paulo, A.C., Hering, V.R., Engelsen, Daniel den, Vuolo, J.H., Mammana, S.S., Mammana, V.P.

“…A statistical data analysis methodology was developed to evaluate the field emission properties of many samples of copper oxide nanostructured field emitters…”
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Diamond membranes with controlled porosity by Mammana, V.P., Mansano, R.D., Verdonck, P., Pavani Filho, A., Salvadori, M.C.

“…Porous diamond membranes were fabricated using a method based on growing diamond on a patterned silicon surface. Protrusions on the silicon surface acted as…”
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Field emission properties of porous diamond-like films produced by chemical vapor deposition by Mammana, V. P., Santos, T. E. A., Mammana, A. P., Baranauskas, V., Ceragioli, Helder J., Peterlevitz, A. C.

“…The field emission properties of “porous diamond-like” carbon structures have been characterized. A hot filament chemical vapor deposition system fed with…”
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Field emission device with back gated structure by Mammana, V. P., Jaeger, D., Shenderova, O., McGuire, G. E.

“…Analysis and performance optimization of a back-gated field emission device is provided. The device consists of an anode, electron emitting cathodes and gate…”
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Porous field emission devices based on polyimide membranes using diode and triode configurations by Mammana, V. P., Fonseca, L. R. C., Filho, A. Pavani, Monteiro, O. R., Ramprasad, R., von Allmen, P.

“…Residual gas inside field emission displays (FED) is the most important issue related to the device lifetime. Increasing the display area while maintaining the…”
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Study of porosity in permeable diamond membranes by Mammana, V.P, Salvadori, M.C, Brown, I.G

“…As reported previously, porous diamond membranes can be fabricated using a method based on growing diamond on a patterned silicon surface. Protrusions on the…”
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Reduction of the number of electrons emitted backwardsin back-gated devices for field emission: A theoretical study by Mammana, V. P., Fonseca, L. R. C.

“…The use of back-gated geometry (BGG) for field emission devices promises improved robustness, lower power consumption, and simpler manufacturing process. The…”
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Approach curve method for large anode–cathode distances by Mammana, V. P., Monteiro, O. R., Fonseca, L. R. C.

“…An important technique used to characterize field emission is the measurement of the emitted current against electric field (I×E). In this work we discuss a…”
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Investigation of the electron emission from pores in a diamond porous membrane by Mammana, V. P., Anders, S., Monteiro, O. R., Salvadori, M. C.

“…It was previously proposed that porous diamond membranes can be used as field emission arrays. As main features of such a device, we identified a field…”
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Calculation of the vacuum pressure gradient in field emission displays by Degasperi, F.T., Mammana, V.P., Verardi, S.L.L., Baranauskas, V.

“…The usual design of field-emission displays (FEDs) often results in high vacuum pressure gradients inside the glass plates of the device, and this is the main…”
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Synthesis and field-emission testing of carbon nanoflake edge emitters by Wang, Jianjun, Zhu, Mingyao, Zhao, Xin, Outlaw, Ron A., Manos, Dennis M., Holloway, Brian C., Park, Chinho, Anderson, Tim, Mammana, Victor P.

“…A nanometer-edged carbon structure [carbon nanoflake (CNF)] has been synthesized on 50–150-nm-diameter nickel arrays. The Ni dot arrays are patterned using a…”
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Calculation of the vacuum pressure gradient in field emission displays by DEGASPERI, F. T, MAMMANA, V. P, VERARDI, S. L. L, BARANAUSKAS, V

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Field emission characterization in a sphere plane diode configuration by de Paulo, A C, Dall'Agnol, F F, den Engelsen, Daniel, Hamanaka, M H M, Santos, T E A, Mammana, V P

“…Summary form only given. The paper that we are going to present is about the characterization of field emission of a non-uniform distribution of emitters in a…”
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