Navigation Links
A deeper look at interfaces
Date:1/15/2014

"The interface is the device," Nobel laureate Herbert Kroemer famously observed, referring to the remarkable properties to be found at the junctures where layers of different materials meet. In today's burgeoning world of nanotechnology, the interfaces between layers of metal oxides are becoming increasingly prominent, with applications in such high-tech favorites as spintronics, high-temperature superconductors, ferroelectrics and multiferroics. Realizing the vast potential of these metal oxide interfaces, especially those buried in subsurface layers, will require detailed knowledge of their electronic structure. A new technique from an international team of researchers working at Berkeley Lab's Advanced Light Source (ALS) promises to deliver the goods.

In a study led by Charles Fadley, a physicist who holds joint appointments with Berkeley Lab's Materials Sciences Division and the University of California Davis, where he is a Distinguished Professor of Physics, the team combined two well-established techniques for studying electronic structure in crystalline materials into a new technique that is optimized for examining electronic properties at subsurface interfaces. They call this new technique SWARPES, for Standing Wave Angle-Resolved Photoemission Spectroscopy.

"SWARPES allows us for the first time to selectively study buried interfaces with either soft or hard x-rays," Fadley says. "The technique can be applied to any multilayer prototype device structure in spintronics, strongly correlated/high-TC superconductors, or semiconductor electronics. The only limitations are that the sample has to have a high degree of crystalline order, and has to be grown on a nanoscale multilayer mirror suitable for generating an x-ray standing wave."

As the name indicates, SWARPES combines the use of standing waves of x-rays with ARPES, the technique of choice for studying electronic structure. A standing wave is a vibrational pattern created whe
'/>"/>

Contact: Lynn Yarris
lcyarris@lbl.gov
510-486-5375
DOE/Lawrence Berkeley National Laboratory
Source:Eurekalert  

Page: 1 2

Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
A deeper look at interfaces
(Date:10/22/2014)... -- Research and Markets  has announced the addition ... Application, Geography - Global Analysis and Forecast (2014 - ... Organic electronics, also called as polymer electronics or plastic ... with small conductive molecules and electrically conductive polymers. It ... are carbon based, made using synthetic strategies developed in ...
(Date:10/20/2014)... Convey Computer , the leader ... Iowa State University won first place in the ... HC-2ex, the team’s solution achieved the highest overall performance ... second place finisher. , Experts from all segments of ... long challenge, using a variety of design tools, hardware ...
(Date:10/20/2014)... -- GenVec, Inc. (NASDAQ: GNVC ) today announced the ... board of directors effective on October 24, 2014.   Dr. Horovitz ... its chairman from June 2006 to November 2013.  During his ... and Audit Committees of the board.  "We ... service to GenVec, and its stockholders," said Wayne T. ...
(Date:10/20/2014)... 20, 2014 Local veterinary surgeon, Dr. ... investigational study of donor stem cells for dogs with ... therapy and has performed clinical stem cell therapy for ... to determine if a single injection of donor stem ... help reduce pain and inflammation in the treated joints. ...
Breaking Biology Technology:Global Organic Electronics (Semiconductor, Conductive, Dielectric and Substrate) Market - Analysis and Forecast (2014 - 2020) 2Global Organic Electronics (Semiconductor, Conductive, Dielectric and Substrate) Market - Analysis and Forecast (2014 - 2020) 3Team from Iowa State Wins 2014 MemoCODE Design Contest Using Convey HC-2ex 2Team from Iowa State Wins 2014 MemoCODE Design Contest Using Convey HC-2ex 3Zola P. Horovitz To Retire From GenVec Board 2Cascade Veterinary Referral Center Seeks Candidates for an Investigational Study of Stem Cells for Dogs with Arthritis 2
... INDIANAPOLIS, Feb. 8 Semafore Pharmaceuticals Inc.,today announced ... and Ullrich Schwertschlag, M.D., Ph.D., chief medical officer,will ... programs at,2:45 p.m. EST on Wednesday, Feb. 13, ... New York City., The update will include ...
... onTargetjobs, the leading,niche Internet job ... of,RegionalHelpWanted.com, a network of over 350 ... is the parent company of BioSpace.com, ... career services to the biotechnology, pharmaceutical,hospitality, ...
... Remain as Advisor to Company, FRAZER, Pa., Feb. ... Executive Vice President, General Counsel &,Secretary, John E. Osborn, ... March 31. Mr. Osborn has agreed to remain as ... matters., "John has been an invaluable member of ...
Cached Biology Technology:Semafore to Present at BIO CEO & Investor Conference 2onTargetjobs Announces Acquisition of RegionalHelpWanted.com 2Cephalon General Counsel John E. Osborn to Resign Position 2Cephalon General Counsel John E. Osborn to Resign Position 3
(Date:10/15/2014)... Gutenberg University Mainz (JGU) as a full member, ... maintain a significant nationwide standing in the field ... Johannes Gutenberg University Mainz as a full member ... national and international competition for the best minds ... be proud that Mainz University has been recognized ...
(Date:10/15/2014)... linked increased resistance to bacterial pneumonia in female mice ... estrogen. , Females are naturally more resistant to respiratory ... has shown that increased resistance to bacterial pneumonia in ... synthase 3 (NOS3). They also show that this enzyme ... sex hormone estrogen. , The team, lead by Professor ...
(Date:10/15/2014)... Geneticist Fred Alt will be awarded the 44th Rosenstiel ... University for his pioneering research exploring the mechanisms of ... and cancer cells. Alt is the second alumnus to ... the Nobel Prize in 2003. , Alt is the ... Genetics at Harvard Medical School and an investigator at ...
Breaking Biology News(10 mins):Johannes Gutenberg University Mainz joins Germany's Gauss-Allianz as a full member 2Johannes Gutenberg University Mainz joins Germany's Gauss-Allianz as a full member 3Brandeis awards 44th Rosenstiel Award to pioneering geneticist Fred Alt 2
... bonds that tie a mother to her newborn may be ... deliver by cesarean section, according to a study published by ... Journal of Child Psychology and Psychiatry . ... James Swain, M.D., recruited two groups of parents from postpartum ...
... This press release is available in German . ... checks above all at airports has been increased ... protection of passengers. Possibilities for new and safe methods of ... can be used for this purpose, however, it has to ...
... into the mating and nesting practices of a common ... males sequentially the highest recorded of any vertebrate. ... Biological Sciences, has researched the frog species Bibron,s toadlet ... field trip, discovered a new behaviour undetected in a ...
Cached Biology News:Natural childbirth linked to stronger baby bonding than C-sections 2Checking people at airports -- with terahertz radiation 2Australian frog species chooses not to put eggs in 1 basket 2
A Highly Purified, Cost-Effective Taq DNA Polymerase...
... , Ellman's reagent *M: ... *Storage: RT, When an enzyme-catalyzed reaction ... present in the substrate, it may be possible ... with the product to form a chromophore. The ...
Cag-A (IgG) -Ab EIA Sample Size: 10 l...
... a recombinant human protein produced in E. coli ... RNase A type enzymes. The mode of ... in a 1:1 ratio. The enzyme has been ... and cell types. Addition of the ribonuclease inhibitor ...
Biology Products: