Carbon nanotube transistor optimization by chemical control of the nanotube–metal interface
Most carbon nanotube transistors work as Schottky barrier transistors. We show that chemical treatment of operational p-type nanotube transistors by trifluoro-acetic acid (TFA) leads to the drastic im...
Most carbon nanotube transistors work as Schottky barrier transistors. We show that chemical treatment of operational p-type nanotube transistors by trifluoro-acetic acid (TFA) leads to the drastic im...
Compression of polyhedral graphite up to 43 GPa and x-ray diffraction study on elasticity and stability of the graphite phase
The crystal structure of polyhedral graphite particles ("G balls") has been investigated under pressure up to 43 GPa and at room temperature by x-ray powder diffraction measurements. The pol...
The crystal structure of polyhedral graphite particles ("G balls") has been investigated under pressure up to 43 GPa and at room temperature by x-ray powder diffraction measurements. The pol...
Low-power near-field microwave applicator for localized heating of soft matter
Appl. Phys. Lett. 84, 5109 (2004); doi:10.1063/1.1763213
Published 4 June 2004
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We report a 9 GHz near-field microwave probe for local surface heating of microwave absorbing materials. The probe radiates microwave energy through a narrow slot microfabricated at the apex of the dielectric resonator. The microwave energy is concentrated in a small region close to the applicator, in such a way that the microwave intensity there is very high. A temperature of 60–120 °C can be achieved in a spot size as small as 0.3×0.5 mm2, using an input power of only a few watts. The applicator can be used for local heating, coagulation, and melting of various soft-matter mediums. Particularly, we emphasize results on local heating and coagulation of egg-white and albumin which may be used as a "biological solder" for tissue welding applications. ©2004 American Institute of Physics.
| History: | Received 27 January 2004; accepted 22 April 2004; published 4 June 2004 |
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http://link.aip.org/link/?APPLAB/84/5109/1 |
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