Today almost all information stored on hard disc drives or cloud servers is recorded in magnetic media, because it is non-volatile (i.e. it retains the information when power is switched off) and cheap. For portable devices ...
General Physics
Aug 10, 2017
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272
Racetrack memory is a potential next-generation solution for our digital storage devices. However, current experiments using single-layer ferromagnetic nanowires are less efficient than expected. New research published in ...
Nanophysics
Jul 11, 2017
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8
Physicists achieved a robust and reliable magnetization switching process by domain wall displacement without any applied fields. The effect is observed in tiny asymmetric permalloy rings and may pave the way to extremely ...
General Physics
Apr 13, 2017
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136
From compasses used in ancient overseas navigation to electrical motors, sensors, and actuators in cars, magnetic materials have been a mainstay throughout human history. In addition, almost all information that exists in ...
General Physics
Mar 7, 2017
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26
Magnets are not everywhere equally magnetized, but automatically split up into smaller areas, so-called magnetic domains. The walls between the domains are of particular importance: they determine the magnetic properties ...
General Physics
Nov 17, 2016
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5
Magnetic nanostructures – or rather: the interaction between charge, spin and current flow as a function of a temperature gradient in such structures – this is what the fast growing research area named "spin caloritronics" ...
General Physics
Oct 15, 2015
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17
(Phys.org)—Research in spintronics (short for spin transport electronics – the study of the electron's intrinsic spin and associated magnetic moment in solid-state devices) continues to be focused on methods for exercising ...
Scientists at ETH Zurich are able to visualize and selectively modify the internal order of an intensively researched class of materials known as multiferroics. This opens the door to promising applications in electronics. ...
General Physics
Jun 5, 2015
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47
Few among us may know what magnetic domains are but we make use of them daily when we email files, post images, or download music or video to our personal devices. Now a team of researchers at the U.S. Department of Energy ...
General Physics
Apr 13, 2015
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529
Naoto Nagaosa and Bohm-Jung Yang from the RIKEN Center for Emergent Matter Science have predicted that thin films of certain iridate compounds could harbor unusual 'topological' electronic properties that are hidden in regular ...
General Physics
Aug 15, 2014
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0
