Navigation Links
Researchers create new class of piezoelectric logic devices using zinc oxide nanowires
Date:9/2/2010

Researchers at the Georgia Institute of Technology have developed a new class of electronic logic device in which current is switched by an electric field generated by the application of mechanical strain to zinc oxide nanowires.

The devices, which include transistors and diodes, could be used in nanometer-scale robotics, nano-electromechanical systems (NEMS), micro-electromechanical systems (MEMS) and microfluidic devices. The mechanical action used to initiate the strain could be as simple as pushing a button, or be created by the flow of a liquid, stretching of muscles or the movement of a robotic component.

In traditional field-effect transistors, an electrical field switches or "gates" the flow of electrical current through a semiconductor. Instead of using an electrical signal, the new logic devices create the switching field by mechanically deforming zinc oxide nanowires. The deformation creates strain in the nanowires, generating an electric field through the piezoelectric effect which creates electrical charge in certain crystalline materials when they are subjected to mechanical strain.

"When we apply a strain to a nanowire placed across two metal electrodes, we create a field, which is strong enough to serve as the gating voltage," said Zhong Lin Wang, a Regents professor in the Georgia Tech School of Materials Science and Engineering. "This type of device would allow mechanical action to be interfaced with electronics, and could be the basis for a new form of logic device that uses the piezoelectric potential in place of a gate voltage."

Wang, who has published a series of articles on the devices in such journals as Nano Letters, Advanced Materials and Applied Physics Letters, calls this new class of nanometer-scale device "piezotronics" because they use piezoelectric potential to tune and gate the charge transport process in semiconductors. The devices rely on the unique prope
'/>"/>

Contact: John Toon
jtoon@gatech.edu
404-894-6986
Georgia Institute of Technology Research News
Source:Eurekalert  

Page: 1 2 3 4

Related biology technology :

1. Understanding the science of solar-based energy: more researchers are better than one
2. Researchers decode viral process that prepares cells for HIV infection
3. Dartmouth researchers advance cellulosic ethanol production
4. Researchers develop new model for cystic fibrosis
5. Use it or lose it? Researchers investigate the dispensability of our DNA
6. Sigma-Aldrich and the University of Illinois Offer New Boronic Acid Surrogates to Researchers Worldwide Through Licensing Agreement
7. Researchers write protein nanoarrays using a fountain pen and electric fields
8. Researchers show how to stamp nanodevices with rubber molds
9. The Lancets New Online Medical Journal Helps Clinicians and Medical Researchers Find Practice-Changing Evidence Quickly and Easily
10. Ultrafast lasers give CU-Boulder researchers a snapshot of electrons in action
11. VAP(R) Cholesterol Test Helps Researchers Identify Treatment Effects of Combination Therapy
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
Researchers create new class of piezoelectric logic devices using zinc oxide nanowires
(Date:1/15/2014)... January 15, 2014 2013 was a ... Brain State Technologies®. They saw continued independent research led ... who were awarded a $1 million grant from the ... “Brain and Behavior” a peer reviewed journal, Amy Grant ...
(Date:1/15/2014)... TAIPEI , Jan. 15, 2014 TaiGen Biotechnology ... an exclusive agreement with R-Pharm, a leading Russian pharmaceutical ... in the Russian Federation , ... Commonwealth Independent States (CIS). Nemonoxacin is a novel antibiotic for ...
(Date:1/14/2014)... 2014 Histogen, Inc., a regenerative medicine ... grown under simulated embryonic conditions, today announced that they ... Medical, Inc. for physician-dispensed aesthetic products containing Histogen’s proprietary ... agreement is an amendment to the existing license between ...
(Date:1/14/2014)... (PRWEB) January 14, 2014 EquitiesIQ, a ... Inc. (OTCQB: ALQA). Alliqua is an emerging biomedical company ... the wound care market. , Free report download: ... with a seasoned management team and Board, which launched ...
Breaking Biology Technology:Dynamic Innovative Technology Showcased at Scottsdale Company’s Open House 2Dynamic Innovative Technology Showcased at Scottsdale Company’s Open House 3TaiGen Biotechnology Signed Exclusive License Agreement with R-Pharm for Nemonoxacin (Taigexyn(R)) 2TaiGen Biotechnology Signed Exclusive License Agreement with R-Pharm for Nemonoxacin (Taigexyn(R)) 3TaiGen Biotechnology Signed Exclusive License Agreement with R-Pharm for Nemonoxacin (Taigexyn(R)) 4Histogen and Suneva Medical Expand License for Cell Conditioned Media-based Aesthetic Products Internationally 2Histogen and Suneva Medical Expand License for Cell Conditioned Media-based Aesthetic Products Internationally 3EquitiesIQ Initiates Coverage of Alliqua, Inc. 2EquitiesIQ Initiates Coverage of Alliqua, Inc. 3
... haves and have-nots and accelerates move to sustainable ... the global biotechnology industry delivered a solid financial ... Global biotechnology report 2009 , Ernst & Young,s ... the prolonged and systemic funding drought is placing ...
... team of scientists has determined the structure of the chlorophyll ... energy. The team,s results one day could be used ... solar energy to electrical energy. A research paper about ... the Proceedings of the National Academy of Sciences . ...
... 35% Sales Force Reduction and Approximately $45 Million Annual ... Pharmaceuticals, Inc. (Nasdaq: AMLN ) today announced ... Amylin,s existing primary care and specialty sales forces will ... approach to endocrinologists and diabetes-focused primary care physicians. The ...
Cached Biology Technology:Global Financial Crisis Making Biotech Business Model Unsustainable, According to Ernst & Young 2Global Financial Crisis Making Biotech Business Model Unsustainable, According to Ernst & Young 3Global Financial Crisis Making Biotech Business Model Unsustainable, According to Ernst & Young 4Scientists determine the structure of highly efficient light-harvesting molecules in green bacteria 2Scientists determine the structure of highly efficient light-harvesting molecules in green bacteria 3Scientists determine the structure of highly efficient light-harvesting molecules in green bacteria 4Scientists determine the structure of highly efficient light-harvesting molecules in green bacteria 5Amylin Pharmaceuticals Announces a New Sales Approach to Better Target the Diabetes Market 2Amylin Pharmaceuticals Announces a New Sales Approach to Better Target the Diabetes Market 3Amylin Pharmaceuticals Announces a New Sales Approach to Better Target the Diabetes Market 4
(Date:4/23/2014)... 23, 2014 A biomedical engineer at the University ... technology to make blood transfusions safer. His work is ... Institutes of Health (NIH). , Blood transfusions save ... modern medicine,s absolute necessities. Without them, for instance, routine ... are perfect, however. There,s strong evidence that transfusions of ...
(Date:4/23/2014)... is leading a 2 million Food Standards Agency (FSA) ... premises and industry workers. , Norovirus outbreaks can ... a batch of frozen strawberries infected 11,000 people in ... understanding of which strains cause infection and which foods ... , Researchers will produce data that will help ...
(Date:4/22/2014)... Fla. (April 21, 2014) -- There are all sorts ... feathers and spread their colorful tails; satin bowbirds build ... blue and shiny objects; and European bitterling males show ... has evolved a unique method to communicate with others. ... "Signaling can have profound fitness implications for ...
Breaking Biology News(10 mins):UH biomedical engineer works to make blood transfusions safer 2UH biomedical engineer works to make blood transfusions safer 3Best practices in communication for the animal world 2Best practices in communication for the animal world 3
... the standard emergency treatment in the U.S. for ... Diego bioengineering researchers have reported improved resuscitation with ... in humans that have shown benefits of intravenous ... saline, the researchers combined hypertonic saline with viscosity ...
... filled with species like nothing on today,s Earth. But ... researchers behind the first study to reconstruct detailed food ... in the open-access journal PLoS Biology, suggests that networks ... of millions of years ago are remarkably similar to ...
... people agree that emotions can be caused by a ... aware of the cause, such as a childs excitement ... recent research suggests emotions also can be unconsciously evoked ... of the Tilburg Institute for Behavioral Economics Research at ...
Cached Biology News:Hyperviscous fluids: Better treatment for severe blood loss 2Hyperviscous fluids: Better treatment for severe blood loss 3Hyperviscous fluids: Better treatment for severe blood loss 4Ancient ecosystems organized much like our own 2Ancient ecosystems organized much like our own 3Cause and affect: Emotions can be unconsciously and subliminally evoked, study shows 2Cause and affect: Emotions can be unconsciously and subliminally evoked, study shows 3
TAR DNA binding protein...
D-biotin *50 mM aqueous solution* Secondary Detection Biotin–Avidin Detection Reagents Other...
6-(2,4-dinitrophenyl)aminohexanoic acid, succinimidyl ester (DNP-X, SE)...
... High Sensitivity Freezing Point Osmometer for 10 L sample. Ideal for small volume applications, including pediatric, ... Ready to run in less than 3 minutes after turn-on. ... ... ...
Biology Products: