Nanotechnology Now

Our NanoNews Digest Sponsors

Heifer International

Wikipedia Affiliate Button

Home > Press > UCLA researchers develop new method of powering tiny devices

Abstract:
FINDINGS:
Electromagnetic devices, from power drills to smart-phones, require an electric current to create the magnetic fields that allow them to function. But with smaller devices, efficiently delivering a current to create magnetic fields becomes more difficult.

In a discovery that could lead to big changes in storing digital information and powering motors in small hand-held devices, researchers at UCLA have developed a method for switching tiny magnetic fields on and off with an electric field a sharp departure from the traditional approach of running a current through a wire.

UCLA researchers develop new method of powering tiny devices

Los Angeles, CA | Posted on February 23rd, 2013

The researchers, affiliated with the university's National Science Foundation-funded TANMS (Translational Applications of Nanoscale Multiferroic Systems), developed a composite that can control magneto-electric activity at a scale of about 10 nanometers, some 1,000 times smaller than a red blood cell. Previously, the instability of magnetic particles at this scale made it impossible to control their movement, much less the energy reaching them.

The team used a composite of nickel nanocrystals coupled with a single crystal of piezoelectric material which can generate power when a small amount of force is applied to it to control the north-south orientation of the particles as well as their tendency to spin around, which are essential aspects of activating or deactivating a magnetic field.

IMPACT:
The findings could potentially change the way electromagnetic devices are designed in the future. With further research, the team said, the discovery may allow significant miniaturization of equipment ranging from memory devices and antennas to instruments used to analyze blood. The researchers noted that while their findings represent a major scientific step, practical applications of the discovery are likely years away.

AUTHORS:
The study's lead authors are Hyungsuk K.D. Kim, a recent Ph.D. graduate from the materials science and engineering department at UCLA Engineering, and doctoral candidate Laura T. Schelhas of UCLA's chemistry and biochemistry department.

The team was led by Gregory P. Carman, a professor of mechanical and aerospace engineering at UCLA Engineering and director of TANMS, and Sarah H. Tolbert, a UCLA professor of chemistry and biochemistry. Carman and Tolbert are members of the California NanoSystems Institute at UCLA.

Additional authors include doctoral students Scott Keller and Joshua Hockel of the mechanical and aerospace engineering department at UCLA Engineering.

California NanoSystems Institute facilities were used in the research.

FUNDING:
The research was supported by the Air Force Office of Scientific Research and the National Science Foundation.

####

For more information, please click here

Contacts:
Bill Kisliuk

310-206-0540

Copyright © UCLA

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 Links

JOURNAL:

Related News Press

News and information

Designing ultrasound tools with Lego-like proteins August 29th, 2016

A nanoscale wireless communication system via plasmonic antennas: Greater control affords 'in-plane' transmission of waves at or near visible light August 27th, 2016

Forces of nature: Interview with microscopy innovators Gerd Binnig and Christoph Gerber August 26th, 2016

A promising route to the scalable production of highly crystalline graphene films August 26th, 2016

Govt.-Legislation/Regulation/Funding/Policy

Analog DNA circuit does math in a test tube: DNA computers could one day be programmed to diagnose and treat disease August 25th, 2016

New approach to determining how atoms are arranged in materials August 25th, 2016

Johns Hopkins scientists track metabolic pathways to find drug combination for pancreatic cancer August 25th, 2016

New electrical energy storage material shows its power: Nanomaterial combines attributes of both batteries and supercapacitors August 25th, 2016

Discoveries

Designing ultrasound tools with Lego-like proteins August 29th, 2016

A promising route to the scalable production of highly crystalline graphene films August 26th, 2016

Graphene under pressure August 26th, 2016

New electrical energy storage material shows its power: Nanomaterial combines attributes of both batteries and supercapacitors August 25th, 2016

Announcements

Designing ultrasound tools with Lego-like proteins August 29th, 2016

A nanoscale wireless communication system via plasmonic antennas: Greater control affords 'in-plane' transmission of waves at or near visible light August 27th, 2016

Forces of nature: Interview with microscopy innovators Gerd Binnig and Christoph Gerber August 26th, 2016

A promising route to the scalable production of highly crystalline graphene films August 26th, 2016

Military

New electrical energy storage material shows its power: Nanomaterial combines attributes of both batteries and supercapacitors August 25th, 2016

Nanoparticles that speed blood clotting may someday save lives August 23rd, 2016

Curbing the life-long effects of traumatic brain injury August 19th, 2016

Lab team spins ginger into nanoparticles to heal inflammatory bowel disease August 19th, 2016

Battery Technology/Capacitors/Generators/Piezoelectrics/Thermoelectrics/Energy storage

Stretchy supercapacitors power wearable electronics August 25th, 2016

New electrical energy storage material shows its power: Nanomaterial combines attributes of both batteries and supercapacitors August 25th, 2016

Lehigh engineer discovers a high-speed nano-avalanche: New findings published in the Journal of Electrochemical Society about the process involving transformations in glass that occur under intense electrical and thermal conditions could lead the way to more energy-efficient glas August 24th, 2016

Lithium-ion batteries: Capacity might be increased by 6 times August 9th, 2016

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