Magnetism Current Events | Page 2

Magnetism Current Events, Magnetism News Articles.
Sort By: Most Viewed | Most Recent
Page 2 of 14 | 539 Results
Scientists discover new type of magnet
A team of scientists has discovered the first robust example of a new type of magnet -- one that holds promise for enhancing the performance of data storage technologies. (2019-02-07)

Stanford ultraresponsive magnetic nanoscavengers for next generation water purification
A new synthetic nanoparticle from Stanford Engineering could disinfect, depollute, and desalinate contaminated water and then get removed magnetically. This improves upon existing technologies through ultraresponsiveness to magnetism. (2013-05-15)

Resistivity switch is window to role of magnetism in iron-based superconductors
Physicists at the US Department of Energy's Ames Laboratory have discovered surprising changes in electrical resistivity in iron-based superconductors. The findings offer further evidence that magnetism and superconductivity are closely related in this class of novel superconductors. (2013-06-05)

New system may one day steer microrobots through blood vessels for disease treatment
Researchers use a magnetic field to generate both side-to-side and corkscrew-like motions of tiny robots. (2011-12-16)

Are magnets the secret to Elastigirl's powers?
Under certain conditions, the magnetic properties of a material can predict the relationship between its elasticity and temperature, a University of Nebraska-Lincoln physicist has found. Given the ease with which magnetic fields can be manipulated, the study hints that elasticity could someday be tailored with the press of a button or turn of a knob. (2017-07-19)

Spintronics: Researchers show how to make non-magnetic materials magnetic
A complex process can modify non-magnetic oxide materials in such a way to make them magnetic. The basis for this new phenomenon is controlled layer-by-layer growth of each material. An international research team with researchers from Martin Luther University Halle-Wittenberg (MLU) reported on their unexpected findings in the journal ''Nature Communications''. (2020-08-06)

ORNL theorist part of team that discovers unexpected magnetism
Theoretical work done at the Department of Energy's Oak Ridge National Laboratory has provided a key to understanding an unexpected magnetism between two dissimilar materials. (2010-10-18)

Researchers offer explanation for strange magnetic behavior at semiconductor interfaces
In the current online edition of Nature Physics, researchers at The Ohio State University report the first-ever theoretical explanation for some unusual semiconductor behavior that was discovered in 2004. (2013-08-25)

Wafer-thin magnetic materials developed for future quantum technologies
Two-dimensional magnetic structures are regarded as a promising material for new types of data storage, since the magnetic properties of individual molecular building blocks can be investigated and modified. For the first time, researchers have now produced a wafer-thin ferrimagnet, in which molecules with different magnetic centers arrange themselves on a gold surface to form a checkerboard pattern. Scientists at the Swiss Nanoscience Institute at the University of Basel and the Paul Scherrer Institute published their findings in the journal Nature Communications. (2017-05-22)

At small scales, tug-of-war between electrons can lead to magnetism
At the smallest scales, magnetism may not work quite the way scientists expected, according to a recent paper in Physical Review Letters by Rafał Oszwałdowski and Igor Zutic of the University at Buffalo and Andre Petukhov of the South Dakota School of Mines and Technology. (2011-06-29)

Quirky response to magnetism presents quantum physics mystery
In a new study just published and highlighted as an Editor's Suggestion in Physical Review Letters, scientists describe the quirky behavior of one such magnetic topological insulator. The paper includes experimental evidence that intrinsic magnetism in the bulk of manganese bismuth telluride (MnBi2Te4) also extends to the electrons on its electrically conductive surface. Such materials could be just right for making qubits, but this one doesn't obey the rules. (2020-09-10)

New magnetism research brings high-temp superconductivity applications closer
A research team by the US Department of Energy's (DOE) Argonne National Laboratory have discovered that only half the atoms in some iron-based superconductors are magnetic, providing the first conclusive demonstration of the wave-like properties of metallic magnetism. (2016-04-08)

Graphene flakes for future transistors
Tiny and very promising for possible applications in the field of nanoelectronics: they are the graphene nanoflakes studied by a SISSA's team and protagonists of a study recently published in the Nano Letters journal. These hexagonal shaped nanostructures would allow to exploit quantum effects to modulate the current flow. Thanks to their intrinsic magnetic properties, they could also represent a significant step forward in the field of spintronics, which is based on the electron spin. (2018-03-14)

Making sense of flexible sensor systems
A team of researchers from Osaka University and Leibniz Institute for Solid State and Materials Research developed the world's thinnest and lightest magnetic sensor matrix sheet system that visualizes the two-dimensional distribution of magnetism on various surfaces, with a sensitivity ten times higher than that of conventional systems. The researchers consider applications of the 'skin-like' magnetic sensor to damage detection in reinforced buildings and high-precision medical diagnosis. (2020-01-27)

Unraveling the mysteries of exotic superconductors
Scientists at the US Department of Energy's Ames Laboratory are using specialized techniques to help unravel the mysteries of iron-based superconductors. As part of an international collaboration, they found that magnetism may be helping or even responsible for superconductivity in iron-based superconductors. The results were published in the June 22 issue of Science. (2012-06-25)

Stacking and twisting graphene unlocks a rare form of magnetism
A team of researchers at Columbia University and the University of Washington has discovered that a variety of exotic electronic states, including a rare form of magnetism, can arise in a three-layer graphene structure. (2020-10-12)

Magnetism loses under pressure
Scientists discovered that the magnetic strength of magnetite -- the most abundant magnetic mineral on Earth -- declines drastically when put under pressure. Researchers from the Carnegie Institution's Geophysical Laboratory, with colleagues at the Advanced Photon Source of Argonne National Laboratory, have found that when magnetite is subjected to pressures between 120,000 and 160,000 times atmospheric pressure its magnetic strength declines by half. They discovered that the change is due to what is called electron spin pairing. (2008-01-29)

Making ferromagnets stronger by adding non-magnetic elements
Researchers at the US Department of Energy's Ames Laboratory discovered that they could functionalize magnetic materials through a thoroughly unlikely method, by adding amounts of the virtually non-magnetic element scandium to a gadolinium-germanium alloy. (2017-06-23)

New 'magnetic yeast' marks step toward harnessing Nature's magnetic capabilities
Researchers at the Wyss Institute for Biologically Inspired Engineering at Harvard University and Harvard Medical School have developed a method for inducing magnetic sensitivity in an organism that is not naturally magnetic -- yeast. Their technology could potentially be used to magnetize a variety of different cell types in medical, industrial and research applications. The research findings appear in today's issue of PLoS Biology. (2012-02-28)

George Wetherill To Receive National Medal Of Science On December 16
Carnegie's George Wetherill, a long-time staff member and former director of the Department of Terrestrial Magnetism, will receive the nation's highest scientific award on December 16. (1997-12-15)

Next step in producing magnetic organic molecules
A team from the Ruhr Explores Solvation Cluster of Excellence at Ruhr-Universität Bochum has created new molecules with magnetic properties. In contrast to many earlier organic magnets, the molecules were stable in the presence of water and oxygen. Their magnetic properties were retained up to minus 110 degrees Celsius -- which is relatively warm for these compounds. (2019-07-30)

New method enables high-resolution measurements of magnetism
In a new article, published in Nature Materials, researchers from Beijing, Uppsala and Jülich have made significant progress allowing very high resolution magnetic measurements. With their method it is possible to measure magnetism of individual atomic planes. (2018-02-06)

How iron feels the heat
Researchers have known that the arrangement of the atoms in a piece of iron changes several times before melting -- but the details of just how and why this property contributes to the metal's thermodynamic stability remained a mystery. Recent work at Caltech provides evidence for how iron's magnetism plays a role in this curious property--an understanding that could help researchers develop better and stronger steel. (2015-02-13)

Brown physicist discovers odd, fluctuating magnetic waves
Brown University physicist Vesna Mitrovic and colleagues at Brown and in France have discovered magnetic waves that fluctuate when exposed to certain conditions in a superconducting material. The discovery may help scientists understand more fully the relationship between magnetism and superconductivity at the quantum level. Results are published in Physical Review Letters. (2010-02-23)

Topological insulators: Magnetism is not causing loss of conductivity
If topological insulators are doped with impurities that possess magnetic properties, they lose their conductivity. Yet contrary to what has been assumed thus far, it is not the magnetism that leads to this. This has been shown by recent experiments with BESSY II at HZB. The results are now published in Nature Communications. Understanding these effects is crucial for applications of topological insulators in information technology. (2016-02-19)

New discovery could pave the way for spin-based computing
Electricity and magnetism rule our digital world. Semiconductors process electrical information, while magnetic materials enable long-term data storage. A University of Pittsburgh research team has discovered a way to fuse these two distinct properties in a single material, paving the way for new ultrahigh density storage and computing architectures. (2014-09-25)

Using new technique, scientists uncover a delicate magnetic balance for superconductivity
Researchers deliberately created atomic-level disorder in order to probe the workings of heavy fermion compounds. They found that, rather than hindering superconductivity, magnetism was an essential ingredient -- and understanding this coexistence may be a key for future advances in superconductivity. (2011-10-19)

MIT researchers discover a new kind of magnetism
Experiments demonstrate (2012-12-20)

Record-breaking galaxy 5 billion light-years away shows we live in a magnetic universe
A team of astronomers has observed the magnetic field of a galaxy five billion light-years from Earth. The galaxy is the most distant in which a coherent magnetic field has been observed and provides important insight into how magnetism in the universe formed and evolved. (2017-08-28)

Magnetic nano-'shepherds' organize cells
The power of magnetism may address a major problem facing bioengineers as they try to create new tissue -- getting human cells to not only form structures, but to stimulate the growth of blood vessels to nourish that growth. (2009-03-31)

Experimental physicists redefine ultrafast, coherent magnetism
For the first time ever, experimental physicists have been able to influence the magnetic moment of materials in sync with their electronic properties. The coupled optical and magnetic excitation within one femtosecond corresponds to an acceleration by a factor of 200 and is the fastest magnetic phenomenon that has ever been observed. (2019-06-26)

Molecule properties change through light
Green light affects this chemical compound in a different way than blue light. The molecule is of interest to computer industry as it can be easily controlled. (2019-09-09)

Scientists find surprising magnetic excitations in a metallic compound
Scientists have found magnetic excitations in a metallic compound whose main source of magnetism is the orbital movement of its electrons. Their discovery challenges conventional wisdom that these excitations are only found in materials whose magnetism is dominated by the spin of its electrons. (2016-06-02)

Electrons on the brink: Fractal patterns may be key to semiconductor magnetism
A Princeton-led team of scientists has observed electrons in a semiconductor on the brink of the metal-insulator transition for the first time. Caught in the act, the electrons formed complex patterns resembling those seen in turbulent fluids, confirming some long-held predictions and providing new insights into how semiconductors can be turned into magnets. The work also could lead to the production of smaller and more energy-efficient computers. (2010-02-05)

Carnegie's Vera Rubin to receive Richtmyer Award
The American Association of Physics Teachers announced today that renowned astrophysicist Vera Rubin, who confirmed the existence of dark matter, has been selected to receive the 2008 Richtmyer Memorial Award. Rubin is a senior fellow at the Carnegie Institution of Washington's Department of Terrestrial Magnetism. (2007-11-27)

NCAR instrument gets breakthrough view of Sun's magnetic halo
A new instrument developed at the National Center for Atmospheric Research (NCAR) has captured landmark imagery of fast-evolving magnetic structures in the solar atmosphere. NCAR's Steven Tomczyk presented the images today at the annual meeting of the American Astronomical Society (AAS) in Denver. (2004-05-31)

Exotic materials using neptunium, plutonium provide insight into superconductivity
Physicists have gained new insight into the origins of superconductivity -- a property of metals where electrical resistance vanishes -- by studying exotic chemical compounds that contain neptunium and plutonium. While superconductivity holds promise for massive energy savings in power transmission, and for novel uses such as levitating trains, today it occurs only at extremely cold temperatures. Still, physicists believe room temperature superconductivity may be possible. This work sheds light on the connection between magnetism and superconductivity. (2008-07-21)

Scientists manipulate magnets at the atomic scale
Fast and energy-efficient future data processing technologies are on the horizon after an international team of scientists successfully manipulated magnets at the atomic level. Physicist Dr Rostislav Mikhaylovskiy from Lancaster University said: ''With stalling efficiency trends of current technology, new scientific approaches are especially valuable. Our discovery of the atomically-driven ultrafast control of magnetism opens broad avenues for fast and energy-efficient future data processing technologies essential to keep up with our data hunger.'' (2021-02-12)

Tiny meteorite grains help settle an astronomical debate
Tiny relics, a millionth of a meter small, are pointing to the first steps of dust formation in old and young stars and giving us a glimpse into the earliest stages of our solar system formation. The origin of two presolar grains from the Tieschitz meteorite has been clarified, settling a longstanding issue about the composition of dusty outflows surrounding asymptotic giant branch (AGB) stars -- a late stage in low-mass star formation like the Sun. (2004-09-02)

Story tips from the Department of Energy's Oak Ridge National Laboratory, June 17, 2019
New builders' tool by ORNL assesses design performance before construction begins; new pressure technique to manipulate magnetism in thin films could enhance electronic devices; ORNL outlines quantum sensing advances for better airport scanning, other applications. (2019-06-17)

Page 2 of 14 | 539 Results
   First   Previous   Next      Last is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to