Dr. Robert Vajtai Profile

Dr. Robert Vajtai

Research Associate at Rice Univ

SPIE Involvement:

Author

Proceedings Article | 29 April 2016 Paper

Parallel plate waveguide time domain spectroscopy to study terahertz conductivity of utltrathin materials

Manjakavahoaka Razanoelina, Filchito Bagsican, Iwao Kawayama, Xiang Zhang, Lulu Ma, Hironaru Murakami, Robert Vajtai, Pulickel Ajayan, Junichiro Kono, Daniel Mittleman, Masayoshi Tonouchi

Proceedings Volume 9856, 985605 (2016) https://doi.org/10.1117/12.2225060

KEYWORDS: Terahertz radiation, Waveguides, Terahertz spectroscopy, Spectroscopy, Graphene, Wave propagation, Radio propagation, Dispersion, Chemical vapor deposition, Electromagnetism

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Proceedings Article | 25 May 2012 Paper

Lightweight carbon nanotube-based structural-energy storage devices for micro unmanned systems

Monica Rivera, Daniel Cole, Myung Gwan Hahm, Arava L. Reddy, Robert Vajtai, Pulickel Ajayan, Shashi Karna, Mark Bundy

Proceedings Volume 8377, 837706 (2012) https://doi.org/10.1117/12.919534

KEYWORDS: Electrodes, Polymers, Unmanned systems, Composites, Silver, Commercial off the shelf technology, Carbon, Robotics, Lithium, Biomimetics

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Proceedings Article | 4 September 2008 Paper

Improving the performance of functionalized carbon nanotube thin film sensors by fluctuation enhanced sensing

Akos Kukovecz, Péter Heszler, Krisztián Kordás, Siegmar Roth, Zoltán Kónya, Henrik Haspel, Radu Ionescu, András Sápi, Jani Maklin, Melinda Mohl, Zoltán Gingl, Robert Vajtai, Imre Kiricsi, Pulickel Ajayan

Proceedings Volume 7037, 70370Y (2008) https://doi.org/10.1117/12.794176

KEYWORDS: Sensors, Resistance, NOx, Principal component analysis, Carbon nanotubes, Data acquisition, Chemical analysis, Carbon monoxide, Gas sensors, Linear filtering

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Proceedings Article | 29 July 2004 Paper

Possibility of using carbon nanotubes as microactuators

Nikhil Koratkar, Ashish Modi, J. Kim, Bingqing Wei, S. Talapatra, Robert Vajtai, Pulickel Ajayan

Proceedings Volume 5389, (2004) https://doi.org/10.1117/12.532678

KEYWORDS: Electrodes, Single walled carbon nanotubes, Carbon nanotubes, Aluminum, Actuators, Fullerenes, Hydrogen, Silicon, Polymers, Carbon

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Proceedings Article | 29 April 2003 Paper

Building and testing organized architectures of carbon nanotubes

Robert Vajtai, Bingqing Wei, Yung Jung, Anyuan Cao, Sujit Biswas, Ganapathiraman Ramanath, Pulickel Ajayan

Proceedings Volume 5118, (2003) https://doi.org/10.1117/12.501499

KEYWORDS: Carbon nanotubes, Chemical vapor deposition, Silicon, Single walled carbon nanotubes, Oxides, Carbon, Silica, Silicon carbide, Iron, Atomic force microscopy

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Proceedings Article | 19 November 2001 Paper

Building and testing carbon nanotubes and their architectures

Robert Vajtai, Bingqing Wei, Ganapathiraman Ramanath, Pulickel Ajayan

Proceedings Volume 4590, (2001) https://doi.org/10.1117/12.454594

KEYWORDS: Carbon nanotubes, Silicon, Chemical vapor deposition, Nickel, Crystals, Composites, Metals, Polymers, Resistance, Silicon carbide

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Proceedings Article | 19 August 1998 Paper

Ripple formation on GaAs surfaces by ultrafast (fs) laser pulses

Laszlo Nanai, Robert Vajtai, L. Fabian, Sandor Szatmari, Seppo Leppaevuori, Thomas George

Proceedings Volume 3573, (1998) https://doi.org/10.1117/12.320991

KEYWORDS: Gallium arsenide, Ultrafast phenomena, Atomic force microscopy, Crystals, Raman spectroscopy, Physics, Laser scattering, Picosecond phenomena, Laser irradiation, Microelectronics

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Proceedings Article | 19 August 1998 Paper

Smooth vanadium-nitride layers created on silicon substrates by pulse laser deposition method

Laszlo Nanai, Robert Vajtai, J. Kiss, Armando Luches, Ion Mihailescu

Proceedings Volume 3573, (1998) https://doi.org/10.1117/12.320986

KEYWORDS: Silicon, Vanadium, Pulsed laser deposition, Atomic force microscopy, Semiconductor lasers, Ultraviolet radiation, Plasma, Pulsed laser operation, Physics, Excimer lasers

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