News tagged with scan
High-temperature superconductivity starts at nanoscale
(Phys.org) -- High-temperature superconductivity doesn't happen all it once. It starts in isolated nanoscale patches that gradually expand until they take over.
May 31, 2012 |
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In metallic glasses, researchers find a few new atomic structures
Drawing on powerful computational tools and a state-of-the-art scanning transmission electron microscope, a team of University of Wisconsin-Madison and Iowa State University materials science and engineering researchers has ...
May 11, 2012 |
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Microscopy, quantum-style: Atomic stacks imaged in real space
(PhysOrg.com) -- Since the first optical microscopes appeared in the late 1600s – an exact date and original inventor elude precise identification – microscopy has evolved dramatically. Scanning ...
Aug 31, 2011 |
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A new look at Apollo samples supports ancient impact theory
New investigations of lunar samples collected during the Apollo missions have revealed origins from beyond the Earth-Moon system, supporting a hypothesis of ancient cataclysmic bombardment for both worlds.
Space & Earth / Space Exploration
May 24, 2012 |
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Single-atom transistor is 'perfect'
In a remarkable feat of micro-engineering, UNSW physicists have created a working transistor consisting of a single atom placed precisely in a silicon crystal.
Feb 19, 2012 |
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'Molecular torch' between carbon nanotubes emits electroluminescence
(PhysOrg.com) -- A single molecule bridging a "broken" single-walled carbon nanotube (CNT) is barely visible through a powerful scanning electron microscope, but the precisely assembled system can act as a ...
Dec 20, 2010 |
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World's smallest electric motor made from a single molecule
Chemists at Tufts University's School of Arts and Sciences have developed the world's first single molecule electric motor, a development that may potentially create a new class of devices that could be used ...
Sep 04, 2011 |
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The world's smallest magnetic data storage unit
Scientists from IBM and the German Center for Free-Electron Laser Science (CFEL) have built the world's smallest magnetic data storage unit. It uses just twelve atoms per bit, the basic unit of information, ...
Jan 12, 2012 |
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Microscopy reveals 'atomic antenna' behavior in graphene
Atomic-level defects in graphene could be a path forward to smaller and faster electronic devices, according to a study led by researchers at the Department of Energy's Oak Ridge National Laboratory.
Nanotechnology / Nanomaterials
Jan 31, 2012 |
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A breakthrough in superlens development: Cheap, simple lens to let us see a single virus
A superlens would let you see a virus in a drop of blood and open the door to better and cheaper electronics. It might, says Durdu Guney, make ultra-high-resolution microscopes as commonplace as cameras in ...
Jan 09, 2012 |
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Cloaking magnetic fields: The first 'antimagnet' device developed
Spanish researchers have designed what they believe to be a new type of magnetic cloak, which shields objects from external magnetic fields, while at the same time preventing any magnetic internal fields from ...
Sep 23, 2011 |
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New method offers control of strain on graphene membranes
(PhysOrg.com) -- Graphene could be the superhero of materials – it’s light, strong and conducts heat and electricity effectively, which makes it a great material for potential use in all kinds of ...
Nanotechnology / Nanomaterials
Apr 02, 2012 |
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Los Alamos achieves world-record pulsed magnetic field, moves closer to 100-tesla mark
(PhysOrg.com) -- Researchers at the National High Magnetic Field Laboratory's Pulsed Field Facility at Los Alamos National Laboratory have set a new world record for the strongest magnetic field produced by ...
Aug 23, 2011 |
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Electronic life on the edge: Scientists discover the edge states of graphene nanoribbons
(PhysOrg.com) -- As far back as the 1990s, long before anyone had actually isolated graphene – a honeycomb lattice of carbon just one atom thick – theorists were predicting extraordinary properties ...
May 08, 2011 |
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Scientists looking to burst the superconductivity bubble
(PhysOrg.com) -- Bubbles are blocking the current path of one of the most promising high temperature superconducting materials, new research suggests.
May 16, 2011 |
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