Navigation Links
UCSB physicists identify room temperature quantum bits in widely used semiconductor
Date:11/2/2011

Santa Barbara, Calif. A discovery by physicists at UC Santa Barbara may earn silicon carbide a semiconductor commonly used by the electronics industry a role at the center of a new generation of information technologies designed to exploit quantum physics for tasks such as ultrafast computing and nanoscale sensing.

The research team discovered that silicon carbide contains crystal imperfections that can be controlled at a quantum mechanical level. The finding is published this week in the journal Nature.

The research group of David Awschalom, senior author, made the finding. Awschalom is director of UCSB's Center for Spintronics & Quantum Computation, professor of physics, electrical and computer engineering, and the Peter J. Clarke Director of the California NanoSystems Institute.

In conventional semiconductor-based electronic devices, crystal defects are often deemed undesirable because of their tendency to immobilize electrons by "trapping" them at a particular crystal location. However, the UCSB team discovered that electrons that become trapped by certain imperfections in silicon carbide do so in a way that allows their quantum states to be initialized, precisely manipulated, and measured using a combination of light and microwave radiation. This means that each of these defects meets the requirements for use as a quantum bit, or "qubit," which is often described as the quantum mechanical analog of a transistor, since it is the basic unit of a quantum computer.

"We are looking for the beauty and utility in imperfection, rather than struggling to bring about perfect order," said Awschalom, "and to use these defects as the basis for a future quantum technology."

Most crystal imperfections do not possess these properties, which are intimately tied to the atomic structure of a defect and the electronic characteristics of its semiconductor host, explained Awschalom. In fact, before this research, the on
'/>"/>

Contact: Gail Gallessich
gail.g@ia.ucsb.edu
805-893-7220
University of California - Santa Barbara
Source:Eurekalert  

Page: 1 2 3

Related biology technology :

1. McGill physicists find a new state of matter in a transistor
2. U of T physicists squeeze light to quantum limit
3. Physicists discover important step for making light crystals
4. Nanophysicists find unexpected magnetic effect
5. NYU physicists find way to explore microscopic systems through holographic video
6. Physicists at UC Santa Barbara make discovery in quantum mechanics
7. U-M physicists create first atomic-scale map of quantum dots
8. Physicists capture first images of atomic spin
9. UBC, Max Planck formalize partnership among worlds top quantum physicists
10. UC Riverside physicists pave the way for graphene-based spin computer
11. Rice physicists discover ultrasensitive microwave detector
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
UCSB physicists identify room temperature quantum bits in widely used semiconductor
(Date:3/3/2015)... SAN DIEGO , March 3, 2015  Neurocrine ... that Kevin Gorman , President and Chief Executive ... Barclays Global Healthcare Conference in Miami.   ... at 10:15am ET (7:15am PT).  The presentation will be ... at http://www.neurocrine.com .   Listeners are ...
(Date:3/3/2015)... BlueInGreen announces the ... sales network. The business venture will bring the ... Atlantic Provinces, exclusively through Resource Systems. , Since ... Canada’s premiere manufacturing representative firms, hosting a diverse ... and wastewater markets. More information on Resource Systems ...
(Date:3/3/2015)... NEW YORK , March 3, 2015 ... that Jeffrey I.D. Lewis has joined the ... Practice, resident in the New York ... also handles trademark matters, as well as other intellectual ... registered patent attorney, Mr. Lewis represents both plaintiffs and ...
(Date:3/3/2015)... , March 3, 2015  RegeneRx Biopharmaceuticals, Inc. (OTCQB: ... the scientific journal, Expert Opinion on Biological Therapy ... Dr. Zhenggang Zhang , at the Henry Ford ... that Thymosin beta 4 (TB4) has the capacity to ... hours or more post-injury, leading to neurological recovery in ...
Breaking Biology Technology:BlueInGreen® Continues Canadian Expansion, Partners with Resource Systems Inc. 2Leading Patent Attorney Jeffrey Lewis Joins Fried Frank's Intellectual Property Litigation Practice 2Leading Patent Attorney Jeffrey Lewis Joins Fried Frank's Intellectual Property Litigation Practice 3Researchers at Henry Ford Hospital Propose Thymosin Beta 4 as Novel Way to Treat Neural Injury and Neurodegenerative Diseases 2Researchers at Henry Ford Hospital Propose Thymosin Beta 4 as Novel Way to Treat Neural Injury and Neurodegenerative Diseases 3
... condition of esophagus eliminated in 90 percent ... ... BARRX Medical, Inc., the,global technology leader for treating precancerous conditions of ... a,multi-center U.S. study were free of the highest-risk of Barrett,s,esophagus after ...
... Indevus,Pharmaceuticals, Inc. (Nasdaq: IDEV ) today announced that ... Annual Global Healthcare Conference on,May 19, 2008 at 4:55 ... 2008 UBS,Global Generic and Specialty Pharmaceuticals Conference on Thursday, ... EDT). The presentations will,be web cast live and may ...
... Escalon Medical Corp.,(Nasdaq: ESMC ) today announced ... March 31, 2008., For the third quarter of ... $6,900,000 reported in the same period last fiscal,year. Product ... the,Company,s business units., Net revenue for the third ...
Cached Biology Technology:New Study Reports That Ablative Therapy With HALO360 Device Effectively Treats Highest-Risk Category of Barrett's Esophagus 2New Study Reports That Ablative Therapy With HALO360 Device Effectively Treats Highest-Risk Category of Barrett's Esophagus 3Indevus Pharmaceuticals Scheduled to Present at Upcoming Investor Conferences 2Indevus Pharmaceuticals Scheduled to Present at Upcoming Investor Conferences 3Escalon(R) Reports Third Quarter Fiscal 2008 Results 2Escalon(R) Reports Third Quarter Fiscal 2008 Results 3Escalon(R) Reports Third Quarter Fiscal 2008 Results 4Escalon(R) Reports Third Quarter Fiscal 2008 Results 5Escalon(R) Reports Third Quarter Fiscal 2008 Results 6Escalon(R) Reports Third Quarter Fiscal 2008 Results 7Escalon(R) Reports Third Quarter Fiscal 2008 Results 8
(Date:2/13/2015)... TAIPEI , Feb. 13, 2015 ... service company that aims to transform cancer genomic ... announced that the company has raised US$ 8 million ... Based in Taipei, Taiwan ... tests, ACTDrug™, ACTOnco™. With the aim to implement ...
(Date:2/9/2015)... RICHARDSON, Texas , Feb. 9, 2015  Lintec ... novel fabrication methods for carbon nanotube (CNT) macrostructures, including ... Texas at Dallas (UTD). Leveraging the vast ... Tokyo, Japan , Lintec of America ... Richardson, TX , focusing on scaling ...
(Date:2/5/2015)... 27, 2015   Marvin Test Solutions ... innovative test solutions for military, aerospace, and ... its TS-323 GENASYS Test Platform ... GENASYS is a high-performance PXI-based system designed ... that require performance functional testing. GENASYS features ...
Breaking Biology News(10 mins):ACT Genomics Raises $8 Million in its First Private Funding Round 2Lintec announces exclusive license to commercialize innovative carbon nanotube technology from the University of Texas at Dallas 2Lintec announces exclusive license to commercialize innovative carbon nanotube technology from the University of Texas at Dallas 3Lintec announces exclusive license to commercialize innovative carbon nanotube technology from the University of Texas at Dallas 4Marvin Test Solutions' GENASYS Platform Advances Mission-Critical Aerospace Production Test 2Marvin Test Solutions' GENASYS Platform Advances Mission-Critical Aerospace Production Test 3Marvin Test Solutions' GENASYS Platform Advances Mission-Critical Aerospace Production Test 4
... It,s long been known that alcohol use in ... birth defects, but researchers who study fetal alcohol syndrome ... disorder, detecting it early, or effectively treating it, say ... the issue of Developmental Neuroscience , four first-year ...
... How do we begin to understand what early life was ... planet shifted from an oxygen-free and probably ice-covered realm to ... who decodes the early record of life on Earth has ... a significantly clearer picture of this dynamic environment. Alison Olcott ...
... , THE WOODLANDS, Texas , June 15 ... company focused on discovering breakthrough treatments for human disease, announced today ... clinical trial of LX4211 for patients with type 2 ... June 19 – 22, 2010 in San Diego, ...
Cached Biology News:Little is understood about alcohol's effect on fetal development, Georgetown researchers say 2Little is understood about alcohol's effect on fetal development, Georgetown researchers say 3Delineating primary and secondary organic carbon in neoproterozoic glacial sediments 2Lexicon to Present Clinical Data for Diabetes Drug Candidate, LX4211, at Two Major Healthcare Conferences 2Lexicon to Present Clinical Data for Diabetes Drug Candidate, LX4211, at Two Major Healthcare Conferences 3Lexicon to Present Clinical Data for Diabetes Drug Candidate, LX4211, at Two Major Healthcare Conferences 4Lexicon to Present Clinical Data for Diabetes Drug Candidate, LX4211, at Two Major Healthcare Conferences 5
... hormones which belong to the transforming ... superfamily is a large group of ... aspects of development, reproductive function and ... TGF-s, bone morphogenetic proteins, growth differentiation ...
... Beads Sterile plating in just seconds ... and potentially hazardous ethanol flaming, More uniform ... ready-to-use sterile packaging: dispenser bottle for spreading 100 ... Fastest and easiest way to spread cells ...
The new Silencer siRNA Starter Kit is perfect for researchers new to RNAi. It provides all of the reagents, protocols, and instructions necessary to get underway with siRNA transfection and ensure su...
... laboratories working in a regulated environment, ... pipette calibration software that automates gravimetric ... a framework that meets todays regulatory ... a secure solution that includes a ...
Biology Products: