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New Research Uncovers Dynamics of Ultrasmall, Ultrafast Groups of Atoms

New Research Uncovers Dynamics of Ultrasmall, Ultrafast Groups of Atoms
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Czech Republic , Venkatraman Gopalan , Paul Evans , Jirka Hlinka , Aaron Lindenberg , Vladimir Stoica , Qing Chen , Qian Li , John Freeland , Haidan Wen , Department Of Dielectrics , Argonnex Ray Science Division , Pennsylvania State University , Us Department Of Energy , University Of Wisconsin , Lawrence Berkeley National Laboratory Lab , Office Of Science User Facilities , Argonne National Laboratory , Ellen Weiss Argonne National Laboratory , Ramamoorthy Martin At Berkeley Lab , Stanford University , National Accelerator Laboratory , Advanced Photon Source , Linac Coherent Light Source , Argonne National , X Ray Science Division ,

New research uncovers mysteries behind little swirling groups of atoms

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Exploring and manipulating the behavior of polar vortices in materials may lead to new technology for faster data transfer and storage.
Our high-speed, high-bandwidth world constantly requires new ways to process and store information. Semiconductors and magnetic materials have made up the bulk of data storage devices for decades. In recent years, however, researchers and engineers have turned to ferroelectric materials, a type of crystal that can be manipulated with electricity.
In 2016, the study of ferroelectrics got more interesting with the discovery of polar vortices – essentially spiral-shaped grouping of atoms – within the structure of the material. Now a team of researchers led by the U.S. Department of Energy’s (DOE) Argonne National Laboratory has uncovered new insights into the behavior of these vortices, insights that may be the first step toward using them for fast, versatile data processing and storage. The team, which also includes researche ....

Stanford University , United States , Czech Republic , Venkatraman Gopalan , Mike Dunne , Aaron Lindenberg , Takahiro Sato , Vladimir Stoica , Matthias Hoffmann , Qian Li , John Freeland , Haidan Wen , Argonnex Ray Science Division , Pennsylvania State University , Lawrence Berkeley National Laboratory , Us Department Of Energy , University Of Wisconsin , Office Of Science User Facilities , Argonne National Laboratory , Berkeley Lab , Ellen Weiss Argonne National Laboratory , Ramamoorthy Martin At Berkeley Lab , National Accelerator Laboratory , Accelerator Laboratory , X Ray Science , X Ray Science Division ,

Little swirling mysteries: Uncovering dynamics of ultrasmall, ultrafast groups of atoms

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IMAGE: Artist s conception of polar vortices moving in ferroelectric material. These small groupings of atoms must be excited with high-frequency electric fields to move, but studying their behavior may lead to.
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Credit: Ellen Weiss/Argonne National Laboratory
Our high-speed, high-bandwidth world constantly requires new ways to process and store information. Semiconductors and magnetic materials have made up the bulk of data storage devices for decades. In recent years, however, researchers and engineers have turned to ferroelectric materials, a type of crystal that can be manipulated with electricity.
In 2016, the study of ferroelectrics got more interesting with the discovery of polar vortices essentially spiral-shaped groupings of atoms within the structure of the material. Now a team of researchers led by the U.S. Department of Energy s (DOE) Argonne National Laboratory has uncovered new insights into the behavior of these ....

Czech Republic , United States , Venkatraman Gopalan , Paul Evans , Jirka Hlinka , Aaron Lindenberg , Vladimir Stoica , Qing Chen , Qian Li , John Freeland , Haidan Wen , Argonnex Ray Science Division , Us Department Of Energy , Office Of Science , Office Of Science User Facilities , Argonne National Laboratory , Ramamoorthy Martin At Berkeley Lab , National Accelerator Laboratory , Department Of Dielectrics , Uchicago Argonne , Pennsylvania State University , Office Of Science User Facility , University Of Wisconsin , Lawrence Berkeley National Laboratory Lab Gopalan , Argonne National Laboratory Under Contract No , Stanford University ,

Landmark discovery may lead to safe, effective antiviral drugs against COVID-19

Landmark discovery may lead to safe, effective antiviral drugs against COVID-19
The COVID-19 vaccines currently rolling out are providing hope that the spread of the disease can be halted. But infection rates are still high, and for those who contract COVID-19, the search for effective treatments remains important.
Researchers examining the atomic structure of SARS-CoV-2, the virus that causes COVID-19, have made a landmark discovery that could contribute critical information to the design of safe and effective antiviral drugs in the fight against the virus.
Understanding enzymes goes hand in hand with understanding their atomic structures -; and the higher resolution the better, because subtle differences can affect the interpretation. We wanted the best data possible, so we went to the APS. ....

United States , United Kingdom , Jaeyong Lee , Mark Paetzel , Natalie Strynadka , Michael Becker , Emily Henderson , Argonnex Ray Science Division , University Of British Columbia , Argonne National Laboratory , Us Department Of Energy , Office Of Science User Facility , British Columbia , Advanced Photon Source , Science User Facility , General Medical Sciences , Cancer Institutes Structural Biology Facility , X Ray Science Division , Liam Worrall , ஒன்றுபட்டது மாநிலங்களில் , ஒன்றுபட்டது கிஂக்டம் , மைக்கேல் பெக்கர் , எமிலி ஹென்டர்சன் , பல்கலைக்கழகம் ஆஃப் பிரிட்டிஷ் கொலம்பியா , ஆர்கோன் தேசிய ஆய்வகம் , எங்களுக்கு துறை ஆஃப் ஆற்றல் ,

New AI-Based Device Mimics Neural Activity of the Human Brain

New AI-Based Device Mimics Neural Activity of the Human Brain
Written by AZoRoboticsMar 3 2021
Artificial intelligence (AI) needs a large amount of computing power and also multipurpose hardware to support this computing power.
The collaborative research team utilized the powerful X-ray nanoprobe imaging tool to study the NdNiO₃ device showing neuron tree-like memory. A scanning electron microscope image of the NdNiO₃ device is shown at the bottom. The red rectangle shows the scanned area of the X-ray imaging. Image Credit: by Argonne National Laboratory.
However, the majority of the AI-supportive hardware is based around the same ancient technology and is still a long way from simulating the neural activity in the human brain. ....

United States , San Diego , Sukriti Manna , Hua Zhou , Shriram Ramanathan , Subramanian Sankaranarayanan , Purdue University , University Of California , Office Of Science User Facilities At Argonne , Nature Communications , Department Of Energy , X Ray Science Division , Brookhaven Laboratory , Office Of Science User Facility , National Synchrotron Light Source , Study Co , Argonne National Laboratory , University Of Illinois At Chicago , Argonne National , Professor Shriram Ramanathan , Professor Ramanathan , Advanced Photon Source , Nanoscale Materials , Science User Facilities , Study Co Author , Science User Facility ,