Controlling magnetization by surface acoustic waves
Using the circular vibration of surface acoustic waves, a collaborative research group have successfully controlled the magnetization of a ferromagnetic thin film.
Using the circular vibration of surface acoustic waves, a collaborative research group have successfully controlled the magnetization of a ferromagnetic thin film.
General Physics
May 27, 2021
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11
Surface plasmon polaritons (SPPs) are highly localized surface waves on the interface between metal and dielectric in the optical frequency band. SPPs do not naturally exist in the microwave and terahertz frequencies, so ...
Optics & Photonics
May 12, 2021
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15
Tropical cyclones like typhoons may invoke imagery of violent winds and storm surges flooding coastal areas, but with the heavy rainfall these storms may bring, another major hazard they can cause is landslides—sometimes ...
Earth Sciences
Apr 12, 2021
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18
Light travels at a speed of about 300,000,000 meters per second as light particles, photons, or equivalently as electromagnetic field waves. Experiments led by Hrvoje Petek, an R.K. Mellon professor in the Department of Physics ...
Optics & Photonics
Dec 23, 2020
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8972
NASA's InSight spacecraft touched down Nov. 26, 2018, on Mars to study the planet's deep interior. A little more than one Martian year later, the stationary lander has detected more than 480 quakes and collected the most ...
Space Exploration
Dec 18, 2020
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284
A newly launched European-U.S. satellite designed to continue a decades-long record of tracking global sea levels has sent back its first measurements, NASA said Thursday.
Earth Sciences
Dec 10, 2020
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3
When a shock wave travels through material and reaches a free surface, chunks of material can break away and fly off at high speeds. If there are any defects on the surface, the shock forms microjets that travel faster than ...
General Physics
Dec 9, 2020
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19
During tornado formation, sound waves are produced at very low frequencies. And if your name is GLINDA, you do not need to be in Oz to hear them.
Earth Sciences
Dec 7, 2020
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5
Physicists from MIPT and Vladimir State University, Russia, have converted light energy into surface waves on graphene with nearly 90% efficiency. They relied on a laser-like energy conversion scheme and collective resonances. ...
Nanophysics
Nov 16, 2020
1
190
Flares from the sun are some of the nastiest things in the solar system. When the sun flares, it belches out intense X-ray radiation (and sometimes even worse). Predicting solar flares is a tricky job, and a new research ...
Astronomy
Oct 14, 2020
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10