News tagged with photoemission
Seeing clearly: 2D nanoscopy achieves direct imaging of nanoscale coherence
(PhysOrg.com) -- Light has its limitations – in this case not velocity, but rather its diffraction limit, which determines the spatial interaction volume in all implementations of optical spectroscopy ...
Oct 18, 2011 |
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Berkeley lab scientists unveil an X-ray technique called HARPES
The expression “beauty’s only skin-deep” has often been applied to the chemistry of materials because so much action takes place at the surface. However, for many of the materials in today’s ...
Aug 25, 2011 |
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A new look below the surface of nanomaterials
Scientists can now look deeper into new materials to study their structure and behavior, thanks to work by an international group of researchers led by UC Davis and the Lawrence Berkeley National Laboratory and published ...
Aug 16, 2011 |
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Water-splitting Photocatalyst Brought to Light
(PhysOrg.com) -- To produce "green" fuels, some scientists are looking for a little help from above. Sunlight is the key ingredient in photocatalytic water splitting, a process that breaks down water into ...
Jun 16, 2010 |
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Search results for photoemission
Ultrafast laser helps to better understand high-temperature superconductors
Superconductivity, in which electric current flows without resistance, promises huge energy savings – from low-voltage electric grids with no transmission losses, superefficient motors and generators, ...
May 31, 2012 |
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Beyond the high-speed hard drive: Topological insulators open a path to room-temperature spintronics
(Phys.org) -- Strange new materials experimentally identified just a few years ago are now driving research in condensed-matter physics around the world. First theorized and then discovered by researchers ...
May 15, 2012 |
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New spectroscopy technique enables investigation of two-dimensional electron states
Understanding and visualizing the energy states of electrons in a crystal provides important insights into many modern electronic materials, such as superconductors, or other materials that physicists can ...
Dec 22, 2011 |
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International collaboration reveals magnetization textures in NiPd nanostructures
(PhysOrg.com) -- An international collaboration led by the NIST Center for Nanoscale Science and Technology has used scanning electron microscopy with polarization analysis (SEMPA) to acquire images ...
Dec 08, 2011 |
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Extreme ultraviolet movies reveal inside story of complex materials
(PhysOrg.com) -- A new X-ray movie technique using extreme ultraviolet (XUV) pulses from Artemis (link opens in a new window), one of the world's most advanced lasers, could help unravel the mysteries of phenomena ...
Oct 21, 2011 |
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Bismuth-based semiconducting material could enable control of electron spin
In the developing field of spintronics, physicists are designing devices to transmit data using the inherent axial rotation, or spin, of electrons rather than their charge as is used in electronics. Weak coupling ...
Oct 14, 2011 |
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Physicists report progress in understanding high-temperature superconductors
Although high-temperature superconductors are widely used in technologies such as MRI machines, explaining the unusual properties of these materials remains an unsolved problem for theoretical physicists. Major progress in ...
Jul 29, 2011 |
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Graphene gives up more of its secrets
Graphene, a sheet of carbon only a single atom thick, was an object of theoretical speculation long before it was actually made. Theory predicts extraordinary properties for graphene, but testing the predictions ...
Nanotechnology / Nanomaterials
Jul 15, 2011 |
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A remarkable step toward next-generation energy-conservation
Tohoku University, Osaka University and Japan Science and Technology Agency (JST) announced that they succeeded in directly observing electron spins in a topological insulator. The work has been published in Physical Review Le ...
Jun 29, 2011 |
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CNST offers insights into metallic ferromagnetism using spin polarized electron probes
The Center for Nanoscale Science and Technology's Daniel Pierce has provided an overview of three decades of applications of spin-polarized measurement techniques to understanding metallic ferromagnetism.
Jun 16, 2011 |
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List of search results for photoemission
