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Nanotechnology Spotlight

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Showing Spotlights 369 - 376 of 389 in category Fabrication Technologies and Devices (newest first):

 

Biomolecules as novel templates for the fabrication of nanostructures

Applying atomic layer deposition (ALD) to biological macromolecules opens a route to fabricate metal oxide nanotubes and thin films with embedded biomolecules. The combination of biomaterials and ALD does not yet allow for a construction of a device. However, there are some indications that the synthesis of thin films with embedded functional biomolecules, such as ferritin, might be suitable for e.g. flexible electronics.

Posted: Jun 29th, 2006

The challenge of synthesizing magnetic nanostructures

The scientific interest in magnetic nanostructures, both from a fundamental viewpoint and also due to their potential in a wide range of applications, over the past few years has led researchers to develop various nanofabrication methods for synthesizing nanomagnets. Applications for nanomagnetic materials include non-volatile magnetic random access memory (MRAM), highly sensitive magnetic field sensor, field programmable spin logic, and patterned media for ultra high density data storage.

Posted: Jun 20th, 2006

Controlled decoration of carbon nanotubes with nanoparticles

A newly developed electrostatic force directed assembly (ESFDA) technique is used to efficiently coat carbon nanotubes (CNTs) with nanoparticles. This new method advances the current technology by enabling rapid and in-situ coating of CNTs, multicomponent hybrid nanostructures, more control over the assembly process, and the possibility of tuning properties of the resulted hybrid structures.

Posted: Jun 7th, 2006

NanoFermentation: A bioprocess for manufacturing inorganic nanomaterials

NanoFermentation is the first system to use industrial bioprocessing methods to manufacture nanometer-scale inorganic engineering materials rather than organic compounds. NanoFermentation harnesses the natural metabolic processes of metal-reducing bacteria to create tailored, single-crystal nanoparticles of important engineering materials, particularly ferrites.

Posted: Jun 5th, 2006

A new fabrication method for nanospring technology

Nanosprings, which are helical nanowires grown via a modified vapor-liquid-solid (VLS) mechanism, are of interest to researchers because of their potential applications in biological and chemical sensors, high porosity applications such as fuel cells, and biomedical drug delivery applications. Thanks to a novel fabrication method, nanosprings can now be synthesized with a yield higher than 90%, and with 100% repeatability.

Posted: May 25th, 2006

Fabricating three dimensional nanostructures using two photon lithography in a single exposure step

New research shows that soft, conformable sub-wavelength phase masks can be used, with 2-photon effects, to pattern in a parallel fashion and in a single exposure step large, 3D structures in certain classes of photopolymers. The result is a technique that is simple from an experimental standpoint, but which fully exploits the flexibility and patterning capabilities enabled by 2-photon effects, making it useful for applications in photonics, microfluidics and biotechnology.

Posted: May 22nd, 2006

High-pressure nano-structuring of materials

Tightly focused femtosecond laser pulses have been used to modify transparent dielectric materials, to form voids, and to polymerize resists and resins for more than a decade. A high sub-100-nm spatial resolution has now been reached making it potentially a nano-fabrication tool.

Posted: May 11th, 2006

Lithographically defined self-assembled nanoparticle films

Researchers at the University of New Mexico have demonstrated a new, simple, and facile approach to the fabrication of various nanopatterned films composed of nanoparticles. The findings could lead to nanoparticle sensors for both biological and chemical species.

Posted: May 10th, 2006