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106 notícias encontradas para "magnet"
Foto: Suki Lee / Pexels
Interlayer self-doping could unlock room-temperature multiferroics in atom-thin materials
Multiferroics are materials that exhibit more than one prominent "ferroic" property, such as ferromagnetism and ferroelectricity. One of their most advantageous features is that they allow engineers to control their magnetic states with electric fields or vice versa, due to an ef
Admin Recifes 15/07/2026 1
Solar blast's magnetic cloud grew by one-fifth en route to Earth, spacecraft reveal
Solar blast's magnetic cloud grew by one-fifth en route to Earth, spacecraft reveal
A University of Iowa-led physics team has detailed the extreme expansion of a magnetic cloud that originated from a huge, gaseous explosion on the sun. In a new study, the researchers describe the inflated magnetic cloud as recorded by spacecraft in separate, fortuitous locations
Admin Recifes 15/07/2026 1
A magnetic field that kills superconductivity can also bring it back
A magnetic field that kills superconductivity can also bring it back
Magnetic fields are generally known to destroy superconductivity in a material. However, in exceptional cases, they can lead to what is known as "re-entrant superconductivity"—where superconductivity disappears as expected, but then unexpectedly returns when the magnetic field is
Admin Recifes 15/07/2026 1
Mathematical modeling helps advance use of magnetic particles in targeted drug-delivery sy
A Florida State University computational scientist is paving the way for future medical breakthroughs by developing mathematical models and simulations to predict the behavior of a unique drug-delivery method, which aims to deploy treatments directly to targeted sites in the body
Admin Recifes 15/07/2026 1
Laser experiments push helium to record shock pressures
Deep inside gas giants like Jupiter and Saturn, hydrogen and helium coexist under pressures millions of times greater than Earth's atmosphere. Under those conditions, helium may separate from hydrogen and influence a planet's internal heat flow, structure and magnetic field. Unde
Admin Recifes 15/07/2026 1
Nanoparticle exsolution opens a new route to functional oxide electronics and spintronics
A research team has developed a new strategy to simultaneously control the electronic and magnetic properties of oxide thin films through a process known as exsolution. The team was led by Professor Hyeon Han and Professor Donghwa Lee from the Department of Materials Science and
Admin Recifes 15/07/2026 1
May 2024 superstorm drew most ring current ions from Earth, not solar wind, research revea
In May 2024, auroras were observed at unusually low latitudes across the globe, lighting up skies that rarely see such displays. Inside Earth's magnetosphere, the region of space surrounding our planet and dominated by its intrinsic magnetic field, something significant was final
Admin Recifes 15/07/2026 1
Giant exoplanet may hold a magnetic grip on its host star
Giant exoplanet may hold a magnetic grip on its host star
Within their planetary systems, stars are continuously shaping their orbiting planets through gravity, radiation and magnetic forces. So far, this relationship has appeared to be a one-way street.
Admin Recifes 15/07/2026 1
Foto: J. L. Fizzell / Pexels
Solar storms leave their mark on cosmic rays that reach Earth
A new study has revealed an unexpected link between solar storms and the flux of high-energy cosmic rays arriving at Earth. The findings, made using one of the world's largest cosmic ray detectors, could open up a new way to probe the magnetic structures inside solar storms—and p
Admin Recifes 15/07/2026 1
Synthetic chemical framework can switch magnetic spin states at near ambient temperatures
Synthetic chemical framework can switch magnetic spin states at near ambient temperatures
There is growing demand for smart materials that can change their physical properties in response to various external stimuli such as light, heat, pressure, magnetic fields and electric fields. One such physical property is the magnetic state of material complexes, which depends
Admin Recifes 15/07/2026 1
Tiny magnetic waves could unlock quantum computers the size of a penny
Tiny magnetic waves could unlock quantum computers the size of a penny
A major breakthrough in quantum technology has turned magnons, tiny magnetic waves once considered too short-lived for practical use, into promising carriers of quantum information. Researchers extended their lifetime by nearly 100 times, reaching up to 18 microseconds, and disco
Admin Recifes 15/07/2026 1
Hot Jupiter winds reveal exoplanet magnetic fields for first time
Planets beyond our solar system can have magnetic fields similar to those closer to home, astronomers said Tuesday after observing extreme winds on scorching worlds known as "hot Jupiters."
Admin Recifes 15/07/2026 1
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