Nanotechnology Now

Our NanoNews Digest Sponsors





Heifer International

Wikipedia Affiliate Button


DHgate

Home > Press > Columbia Researchers Bring Nanotech's Promise a Step Closer to Reality

Abstract:
Scientists one step closer to achieving previously unimagined possibilities

Columbia Researchers Bring Nanotech's Promise a Step Closer to Reality

August 22, 2005

Scientists at Columbia University's Nanoscience Center have solved a fundamental, and to date, highly elusive challenge in the fast-developing world of nanotech-molecular electronic devices.

In the July 22nd issue of Science, Colin Nuckolls, an associate professor of chemistry, and his colleagues George Tulevski, Matt Myers, Michael Steigerwald, along with Mark S. Hybertsen, from the department of applied physics and applied mathematics, describe how they created a so-called electricity-bridge to allow current to flow efficiently between molecules and nano-sized metals, a process necessary for molecular electronic device construction.

The discovery -- involving the ability to construct materials or machines on nano-scales (a nanometer is a billionth of a meter) -- brings scientists one step closer to achieving previously unimagined possibilities, including information processing with molecules, medicines from nanoparticles that vastly improve delivery and dosage, and molecule-sized robots that flow through a person's bloodstream to treat clogged arteries in heart attack or (potential heart attack) patients.

Nuckolls' research team at Columbia's Nanoscience Center built an effective bridge linking the molecular world with a metal (Ruthenium) that is conductive, stable and durable. The majority of experiments to date have used gold as a possible link, which does not offer good electrical conductivity, lacks endurance and doesn't have any useful subsequent chemistry.

Successful miniaturization (i.e., building nanoscale devices) requires these "electricity-bridges" since most electrical activity that is important in electronic devices occurs within just a few nanometers of an interface. "It can not be overstated how important these interfacial structures and properties are," Nuckolls says. "In a sense, interfaces are where the 'expanding nano' of chemistry and the 'shrinking nano' of electronics meet." In other words, he adds, "interfaces are where the rubber meets the road."

Nuckolls' research exemplifies Columbia's interdisciplinary approach and the University's effort to coordinate and harness expertise in various fields -- in this case, engineering, chemistry, mathematics, biology and numerous others to address emerging 21 st century scientific challenges.

Founded in 2001, Columbia's Nanoscience Center draws upon years of experience in chemical synthesis to design molecular structures with carefully crafted properties. Its work has the potential to impact major disciplines in addition to electronics including photonics, biology, neuroscience and medicine. For more information, please visit the Nanoscience Center.

####


Copyright © Columbia University

If you have a comment, please Contact us.

Issuers of news releases, not 7th Wave, Inc. or Nanotechnology Now, are solely responsible for the accuracy of the content.

Bookmark:
Delicious Digg Newsvine Google Yahoo Reddit Magnoliacom Furl Facebook

Related News Press

Possible Futures

Sediment dwelling creatures at risk from nanoparticles in common household products August 13th, 2015

Harris & Harris Group Reports Financial Statements as of June 30, 2015, and Announces a Stock Repurchase Program August 10th, 2015

Molecular trick alters rules of attraction for non-magnetic metals August 5th, 2015

Global Carbon Nanotubes Industry 2015: Acute Market Reports August 4th, 2015

Molecular Machines

Injectable electronics: New system holds promise for basic neuroscience, treatment of neuro-degenerative diseases June 8th, 2015

One step closer to a single-molecule device: Columbia Engineering researchers first to create a single-molecule diode -- the ultimate in miniaturization for electronic devices -- with potential for real-world applications May 25th, 2015

UCLA nanoscientists are first to model atomic structures of three bacterial nanomachines: Cryo electron microscope enables scientists to explore the frontiers of targeted antibiotics April 21st, 2015

Advances in molecular electronics: Lights on -- molecule on: Researchers from Dresden and Konstanz succeed in light-controlled molecule switching April 20th, 2015

Nanomedicine

Small but heading for the big time: Nanobiotix half year results for the six months ended 30 June 2015, in line with expectations: Major clinical achievements and corporate developments August 28th, 2015

A new technique to make drugs more soluble August 28th, 2015

These microscopic fish are 3-D-printed to do more than swim: Researchers demonstrate a novel method to build microscopic robots with complex shapes and functionalities August 26th, 2015

Glitter from silver lights up Alzheimer's dark secrets August 25th, 2015

Nanoelectronics

Nanotechnology that will impact the Security & Defense sectors to be discussed at NanoSD2015 conference August 25th, 2015

'Quantum dot' technology may help light the future August 19th, 2015

Surprising discoveries about 2-D molybdenum disulfide: Berkeley Lab researchers use award-winning campanile probe on promising semiconductor August 15th, 2015

Better together: Graphene-nanotube hybrid switches August 3rd, 2015

Announcements

Small but heading for the big time: Nanobiotix half year results for the six months ended 30 June 2015, in line with expectations: Major clinical achievements and corporate developments August 28th, 2015

A new technique to make drugs more soluble August 28th, 2015

Nanocatalysts improve processes for the petrochemical industry August 28th, 2015

Nanolab Technologies LEAPS Forward with High-Performance Analysis Services to the World: Nanolab Orders Advanced Local Electrode Atom Probe (LEAP®) Microscope from CAMECA Unit of AMETEK Materials Analysis Division August 27th, 2015

NanoNews-Digest
The latest news from around the world, FREE



  Premium Products
NanoNews-Custom
Only the news you want to read!
 Learn More
NanoTech-Transfer
University Technology Transfer & Patents
 Learn More
NanoStrategies
Full-service, expert consulting
 Learn More











ASP
Nanotechnology Now Featured Books




NNN

The Hunger Project







Car Brands
Buy website traffic