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08/15/2011

Researchers Create Battery-less Circuit

 
Circuit-Energy

Researchers in Virginia have created a circuit that uses so little energy that batteries are not even necessary.

A team from Virginia Commonwealth University has devised perhaps the world's most miserly integrated circuit. It could run merely by tapping the ambient energy from the environment.

The researchers created this circuit by combining two electron technologies: spintronics and straintronics.

 Rather than the traditional charge-based electronic switches that encode the basic 0s and 1s of computer lingo, spintronics harnesses the natural spin of electrons to store bits of data. Spin one way and you get a 0; switch the spin the other way and you get a 1. During switching, spintronics uses considerably less energy than charge-based electronics. However, when ramped up to usable processing speeds, much of that energy savings is lost in the mechanism through which the energy from the outside world is transferred to the magnet.

The solution is to use a special class of composite structure called multiferroics. These composite structures consist of a layer of material with close contact to a nonmagnet that changes shape in response to strain. When a tiny voltage is applied across the structure, it generates strain in one layer and is transferred to another layer. This strain rotates the direction of magnetism, achieving the flip.

With the proper choice of materials, the energy output can be as low as 0.4 attojoules, or about a billionth of a billionth of a joule. This proposed design would create an extremely low-power, yet high-density, non-volatile magnetic logic and memory system.

World’s Smallest Battery Created

Battery Redesign Could Reduce Cost of Energy Storage

 


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Wood construction is both cost and energy efficient. Check out Morton Buildings and our designBUILD team online today to discover all the benefits of post-frame construction.


When choosing a metal-clad building for your next construction project, consider Morton Buildings, Inc., and their designBUILD team, we’ll make your dream a reality.

Bluebeam® Revu® simplifies digital facilities document management from design review to leveraging as-builts, maintenance manuals and O&Ms submittals.

We Can Help You Reduce Energy by 30%

Our mission is to help our customers manage their buildings' energy costs, improve reliability, and enhance performance while having a positive impact on the environment.
CLICK HERE to find out how.


Visit our website today to learn about the design flexibility of a Morton building and the endless possibilities of partnering with our designBUILD team.


Wood construction is both cost and energy efficient. Check out Morton Buildings and our designBUILD team online today to discover all the benefits of post-frame construction.


When choosing a metal-clad building for your next construction project, consider Morton Buildings, Inc., and their designBUILD team, we’ll make your dream a reality.

Bluebeam® Revu® simplifies digital facilities document management from design review to leveraging as-builts, maintenance manuals and O&Ms submittals.

We Can Help You Reduce Energy by 30%

Our mission is to help our customers manage their buildings' energy costs, improve reliability, and enhance performance while having a positive impact on the environment.
CLICK HERE to find out how.


 
08/29/2014

New tool from FEMA helps facility managers prepare for and mitigate the effects of nonstructural earthquake damage. 

08/28/2014

Is your building's exterior prepared for consistent snowstorms?

08/27/2014

Researchers have developed wearable, customizable technology to handle access control at busy hotels. 

08/26/2014

A new study shows that hotels which are LEED certified bring in more revenue than their non-certified competitors. 

08/25/2014

Policies designed to reduce carbon emissions have the added benefit of increasing air quality, which could pay for the reduction policies themselves. 

08/22/2014

Researchers at Michigan State University have developed a luminescent solar concentrator that is as transparent as glass. 

08/21/2014

The Department of Energy has released two reports which indicate wind turbine installations and efficiency is growing while prices drop. 

08/20/2014

The NHL has partnered with the NRDC to release their first sustainability report. 

08/19/2014

A new battery has been developed that is free of toxic materials and longer lasting than its more expensive competitors.

08/14/2014

A new study shows that emergency communications that don't specify the threat could be doing more harm than good.

08/13/2014

Natural light's benefits to workers extend far beyond the workday.

08/12/2014

Will a "Little Box" change the future of electricity?

08/07/2014

Could your building withstand an F3 tornado repeatedly?

08/06/2014

Make sure your conference room is properly outfitted with a projection system that meets your occupants' needs.

08/04/2014

The update to the Building Energy Quotient program includes more building types and a new methodology to measure "In Operation" buildings.

07/31/2014

Improper lockdown security may leave your building and occupants vulnerable

07/29/2014

Is the American energy policy lagging behind the rest of the world?

07/22/2014

How to keep building occupants safe during the hot season.

07/21/2014

Spaces grow denser as the industry emerges from a slump.

07/18/2014

Study ranks states on fuel and consumption.

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