Spin-torque oscillators (STOs) are nanoscale devices that generate microwaves using changes in magnetic field direction, but those produced by any individual device are too weak for practical applications. Physicists have ...
General Physics
Aug 7, 2019
0
4
Internet searches, decade-old emails and on-demand video offerings help contribute to electricity consumption by America's server farms and data centers amounting to more than 2 percent of the country's annual total.
General Physics
Jul 11, 2019
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1
Light can be used not only to measure materials' properties, but also to change them. Especially interesting are those cases in which the function of a material can be modified, such as its ability to conduct electricity ...
General Physics
Jun 14, 2019
5
596
University of Tokyo researchers have created an electronic component that demonstrates functions and abilities important to future generations of computational logic and memory devices. It is between one and two orders of ...
General Physics
Jun 13, 2019
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507
Spintronics might not be the sort of word that comes up in everyday discussions, but it has been revolutionising computer technology for years. It's the branch of physics that involves manipulating the spin of a flow of electrons, ...
General Physics
Jun 5, 2019
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43
An international team of scientists from the National University of Science and Technology "MISIS" (NUST MISIS), Tianjin University (China), as well as from Japan and the United States, has developed new energy-efficient ...
Materials Science
Apr 24, 2019
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10
Whether zipping through a star or a fusion device on Earth, the electrically charged particles that make up the fourth state of matter better known as plasma are bound to magnetic field lines like beads on a string. Unfortunately ...
Plasma Physics
Mar 12, 2019
0
55
Electric currents drive all our electronic devices. The emerging field of spintronics looks to replace electric currents with what are known as spin currents. Researchers from the University of Tokyo have made a breakthrough ...
General Physics
Mar 6, 2019
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62
Electronic devices such as transistors are getting smaller and will soon hit the limits of conventional performance based on electrical currents.
General Physics
Mar 4, 2019
0
783
Magnetic materials have a worldwide market share of some $50 billion per year. A new frontier in the study of these materials, femtomagnetism, could lead to ultrafast magnetic storage devices that would transform information ...
General Physics
Mar 4, 2019
0
57
