Navigation Links
Structural distortions emerge from nothing at the nanoscale
Date:12/16/2010

the opposite behavior: At the very lowest temperature, there were no atomic displacements, nothing - but on warming, displacements appear!"

The techniques the scientists used to observe this nanoscale atomic action were high-tech versions of x-ray vision, aided by mathematical and computer analysis of the results. First the lead materials were made in a purified powder form at Northwestern University. Then the scientists bombarded the samples with two kinds of beams - x-rays at the Advanced Photon Source at Argonne and neutrons at the Lujan Neutron Scattering Center at Los Alamos. Detectors gather information about how these beams scatter off the sample to produce diffraction patterns that indicate positions and arrangements of the atoms. Further mathematical and computational analysis of the data using computer programs developed at Brookhaven and Columbia allowed the scientists to model and interpret what was happening at the atomic level over a range of temperatures.

Brookhaven physicist Emil Bozin, first author on the paper, was the first to notice the odd behavior in the data, and he worked tenaciously to prove it was something new and not a data artifact. "If we had just looked at the average structure, we never would have observed this effect. Our analysis of atomic pair distribution functions gives us a much more local view - the distance from one particular atom to its nearest neighbors - rather than just the average," Bozin says. The detailed analysis revealed that, as the material got warmer, these distances were changing on a tiny scale - about 0.025 nanometers - indicating that individual atoms were becoming displaced.

The scientists have made an animation to illustrate the emergence of these displacements upon heating. In it, the displacements are represented by arrows to indicate the changing orientations of the atoms as they flip back and forth, or fluctuate, like tiny dipoles.

According to the scientists, it is th
'/>"/>

Contact: Karen McNulty Walsh
kmcnulty@bnl.gov
631-344-8350
DOE/Brookhaven National Laboratory
Source:Eurekalert

Page: 1 2 3

Related biology technology :

1. Silence Therapeutics Receives Comprehensive Protection for RNAi Structural Modification Technology in Single European Patent
2. Silence Therapeutics Expands RNAi Structural Modification IP Portfolio With Issuance of New U.S. Patent
3. The Protein Structure Initiative announces free OpenHelix tutorial and training materials for the Structural Genomics Knowledgebase (SGKB)
4. ChemAxon Launches Marvin and JChem Version 5.2; Web Services, native .NET API, Homology Groups, 3D Alignment and Structural Frameworks
5. Fitter frames: Nanotubes boost structural integrity of composites
6. FDA Grants Approval of ella(R) for Emergency Contraception
7. Talecris Biotherapeutics Announces Premerger HSR Filing
8. Preemergence Herbicides from FMC Boost Early Season Plant Health in Corn and Soybeans and Help Optimize Yields for 2010
9. Doctors and First Responders Rely on Oberthur Technologies in Times of Emergency
10. Longhorn Vaccines & Diagnostics LLC Receives FDA Emergency Use Authorization (EUA) for the First 2009 H1N1 Influenza Assay to Include a Molecular Transport Medium (MTM)
11. Emergence of Newer Drug Classes to Treat Diabetes and Co-morbidities Key to Market Expansion, Reveals Frost & Sullivan
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:1/23/2015)... Biofertilizers stimulate microbial activities in soil. These microorganisms ... the activities in the soil or in the rhizosphere. ... stress on reducing environmental pollution and on reducing the ... segments the bio fertilizers market with analysis and forecasting ...
(Date:1/23/2015)... Portal Solutions , a technology consulting ... Microsoft Office 365 and SharePoint platforms , today announces its ... being one of the region’s fastest-growing mid-sized companies based on ... , “To be recognized a second year in a row ...
(Date:1/22/2015)... January 22, 2015 Shimadzu Scientific ... UV-1280 multipurpose UV-visible spectrophotometer. Offering wavelength scanning from ... is ideal for applications in a variety of ... , The user-friendly UV-1280 enables intuitive operation, while ...
(Date:1/22/2015)... GEA Niro Soavi the leader in ... the PandaPLUS 2000, which is ideal for new applications ... cell disruption . This compact laboratory homogenizer is the ... food, food additives and ingredients as well as for ...
Breaking Biology Technology:Biofertilizers Market Expected to Reach $1,649.7 Million by 2019 - New Report By MarketsandMarkets 2Biofertilizers Market Expected to Reach $1,649.7 Million by 2019 - New Report By MarketsandMarkets 3Biofertilizers Market Expected to Reach $1,649.7 Million by 2019 - New Report By MarketsandMarkets 4Washington SmartCEO Announces Portal Solutions as 2015 Future 50 Award Winner Second Year in a Row 2Washington SmartCEO Announces Portal Solutions as 2015 Future 50 Award Winner Second Year in a Row 3Shimadzu’s New Monitored Single-Beam UV-Vis Spectrophotometer Offers Comprehensive Measurement Options in a Compact Body 2GEA Niro Soavi Announces the PandaPLUS 2000 Homogenizer for Processing New Applications for Nanoemulsions and Cell Disruption 2
... , May 10 /PRNewswire-Asia-FirstCall/ -- BMP Sunstone,Corporation (Nasdaq: BJGP ... quarter ended March 31, 2010 . , ... David Gao , Chief ... transition at Sunstone. We replaced senior,managers including the general manager and improved ...
... Dyadic International, Inc. (Pink Sheets: DYAI) ("Dyadic"), a ... Chief Executive Officer, Mark Emalfarb , is scheduled to ... Conference in London, England on Monday, May ... ( 6:05 a.m. EDT ). Mr. Emalfarb will discuss how ...
... SAN DIEGO and OTTAWA , May 10 ... of Tom Novak , Ph.D., as vice president of ... than 15 years of experience working with large pharmaceutical companies, ... exploratory research and drug discovery efforts.  Dr. Novak will be ...
Cached Biology Technology:BMP Sunstone Reports First Quarter 2010 Financial Results 2BMP Sunstone Reports First Quarter 2010 Financial Results 3BMP Sunstone Reports First Quarter 2010 Financial Results 4BMP Sunstone Reports First Quarter 2010 Financial Results 5BMP Sunstone Reports First Quarter 2010 Financial Results 6BMP Sunstone Reports First Quarter 2010 Financial Results 7BMP Sunstone Reports First Quarter 2010 Financial Results 8BMP Sunstone Reports First Quarter 2010 Financial Results 9BMP Sunstone Reports First Quarter 2010 Financial Results 10BMP Sunstone Reports First Quarter 2010 Financial Results 11BMP Sunstone Reports First Quarter 2010 Financial Results 12Dyadic International to Present at Rodman & Renshaw 6th Annual Global Healthcare Conference 2Fate Therapeutics Appoints Tom Novak, Ph.D., as Vice President of Research and Drug Discovery 2Fate Therapeutics Appoints Tom Novak, Ph.D., as Vice President of Research and Drug Discovery 3
(Date:12/24/2014)...  Since its launch in December 2014, the 1U™ ... of trying to remember their usernames and passwords through replacing ... smartphones. To assist people who have struggled to remember usernames ... 1U and focuses on redefining identity, announced today that it ...
(Date:12/22/2014)... Holiday Season may be the brightest ever for the ... long anticipated floodgates for consumer biometrics may finally be ... tablets, and wearable mobile devices that incorporate biometrics will ... nearly 4.8 billion biometric devices by 2020.   ...
(Date:12/19/2014)... Dec. 18, 2014  23andMe, Inc., the leading personal genetics company, ... differences in genetic ancestry of individuals from across ... arrived more than four hundred years ago, the ... for peoples from different continents. This study illuminates how American ...
Breaking Biology News(10 mins):1U Offers Best Solution to the Username / Password Dilemma: For FREE! 21U Offers Best Solution to the Username / Password Dilemma: For FREE! 3First Season of Holiday Shopping with Mobile Biometric Payments Wraps Up With a Present for Biometrics Industry: A Rosy Forecast for More Than 2 Billion Users of 4.8 Billion Mobile Biometric Devices by 2020 223andMe Study Sketches Genetic Portrait of the United States 223andMe Study Sketches Genetic Portrait of the United States 323andMe Study Sketches Genetic Portrait of the United States 4
... most promising technological research projects at University System of ... cash to help them through the most difficult phase ... With $5.1 million in federal funding, the Maryland ... research institutions and the U.S. Army Research Laboratory (ARL), ...
... one way when crammed together like sardines in a can. ... seat is empty and they have more personal space. Scientists ... involved in health and disease inside living cells. The cover ... (C&EN), ACS, weekly newsmagazine, focuses on how the study of ...
... Rensselaer Polytechnic Institute Professor Georges Belfort has ... of separations processes in biochemical engineering. Belfort, ... Engineering at Rensselaer, in recent weeks received the ... of Biological Products from the American Chemical Society ...
Cached Biology News:$5.1 million Army-Md. alliance speeds university research to market 2$5.1 million Army-Md. alliance speeds university research to market 3$5.1 million Army-Md. alliance speeds university research to market 4$5.1 million Army-Md. alliance speeds university research to market 5Rensselaer Polytechnic Institute professor Georges Belfort wins biochemical engineering award 2
... Clone/PAD: 5B15-5B-11E. Immunogen: Synthetic peptide derived ... MUC5B protein. Specificity: Specific for ... On Western blots it identifies the target ... Human (positive controls: deglycosylated secreted media from ...
Request Info...
... Immunogen KLH-conjugated, ... acids 47-66 (PAEV-GPGAVGERTPRKKEPP) of human ... 1 (BHC110/LSD1). Quality Assurance ... Stability 2 ...
Adducin beta (C-16)...
Biology Products: