Navigation Links
Electron billiards in nanoscale circuits
Date:10/21/2010

At the heart of the method is a so-called quantum point contact (QPC). This is a narrow conductive channel in a semiconductor circuit. The scientists created a 70-nanometer narrow channel, about as wide as the wavelength of electrons in the semiconductor. The key is that only one electron at a time will fit through the channel, making possible extremely high-precision measurements of the electric current. As described in the current publication, this method was applied to photogenerated electrons for the first time ever.

In the experimental set-up it is not the sun, but rather a laser beam that kicks the electrons into their excited state. These electrons are then analyzed using a quantum point contact. In the process, the scientists were able to demonstrate for the first time that photogenerated electrons can flow several micrometers before colliding with crystalline atoms. They also established that the geometric form of a circuit has a strong influence on electron paths. Electrons can even "run around corners" when they rebound from circuit boundaries, not unlike billiard balls.

The insights and analytic opportunities made possible by this novel technique are relevant to a whole range of applications. These include, most notably, the further development of electronic components such as photodetectors, high electron mobility transistors (HEMT), and components that utilize the magnetic spin of electrons to process information.


'/>"/>

Contact: Dr. Andreas Battenberg
battenberg@zv.tum.de
49-892-891-0510
Technische Universitaet Muenchen
Source:Eurekalert

Page: 1

Related biology technology :

1. New nano techniques integrate electron gas-producing oxides with silicon
2. Breakthrough e-display means electronics with high speed, high readability and low power usage
3. Single electron reader opens path for quantum computing
4. Novel electronic biosensing technology could facilitate new era of personalized medicine
5. Researchers stretch a lackluster material into a possible electronics revolution
6. Study of electron orbits in multilayer graphene finds unexpected energy gaps
7. Graphene exhibits bizarre new behavior well suited to electronic devices
8. Nanowick at heart of new system to cool power electronics
9. Polymer synthesis could aid future electronics
10. European cooperation ensures global leadership in microelectronics
11. Small wires make big connections for microelectronics
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:6/20/2017)... 20, 2017  Kibow Biotech Inc., a pioneer in ... issuance of a new patent covering a unique method ... U.S. Patent and Trademark Office on May 23 rd ... Buzz of Bio award in 2014 in ... non-drug approaches to chronic disease. Renadyl™, the first and ...
(Date:6/19/2017)... ... June 19, 2017 , ... As Vice President, Product Services, ... training, implementation, support, and client process and SOP development. , Mr. Guinter brings ... leadership roles for service providers and top-tier pharmaceuticals, and as an independent consultant ...
(Date:6/16/2017)... ... June 16, 2017 , ... Cognition Corporation , ... two more sessions of its “From the Helm” Webinar Series. , The ... online templates for design control exercises. Led by David Cronin, Cognition’s CEO, the ...
(Date:6/15/2017)... ... June 15, 2017 , ... Cybrexa ... Series B round of financing in the amount of $6 million. An investment ... participated in the round. , The Series B funding will enable Cybrexa to ...
Breaking Biology Technology:
(Date:3/24/2017)... The Controller General of Immigration from Maldives Mr. ... have received the prestigious international IAIR Award for the most innovative ... ... Maldives Immigration ... Algeen (small picture on the right) have received the IAIR award for ...
(Date:3/22/2017)... VILNIUS, Lithuania , March 21, 2017 /PRNewswire/ ... identification and object recognition technologies, today announced the ... development kit (SDK), which provides improved facial recognition ... safety cameras on a single computer. The new ... algorithms to improve accuracy, and it utilizes a ...
(Date:3/20/2017)... -- PMD Healthcare announces the release of its new ... (WMS), a remote, real-time lung health monitoring and management ... a Medical Device, Digital Health, and Chronic Care Management ... solutions that empower people to improve their healthcare and ... the first ever personal spirometer, Spiro PD, which was ...
Breaking Biology News(10 mins):