News tagged with giant magnetoresistance

Scissors-type trilayer giant magnetoresistive sensor using heusler alloy ferromagnet

Japanese researchers have demonstrated a scissors-type trilayer magnetoresistance device that is promising for narrow readers of ultra-high density hard disk drives (HDD). This device uses an antiferromagnetic ...

Physics / General Physics

created Nov 30, 2011 | popularity not rated yet | comments 1

Researchers use spin waves to measure magnetic polarization of electrical current

In the hard drive industry, the rapid growth of storage density has been propelled in part by developments in the sensors used to read the magnetic "bits" on the disk. Recently, the use of giant magnetoresistance (GMR) in ...

Physics / General Physics

created Mar 08, 2011 | popularity 4.3 / 5 (3) | comments 0

Powerful new way to control magnetism

A team of scientists at Rutgers University has found a material in which an electric field can control the overall magnetic properties of the material. If the magnetoelectric effect discovered by the Rutgers group can be ...

Physics / General Physics

created Aug 23, 2010 | popularity 4.7 / 5 (15) | comments 2 | with audio podcast

Unexpectedly Long-Range Effects in Advanced Magnetic Devices

(PhysOrg.com) -- A tiny grid pattern has led materials scientists at the National Institute of Standards and Technology (NIST) and the Institute of Solid State Physics in Russia to an unexpected finding—the ...

Physics / Condensed Matter

created Jul 01, 2009 | popularity 4 / 5 (11) | comments 2

'Colossal' Magnetic Effect Under Pressure

(PhysOrg.com) -- Millions of people today carry around pocket-sized music players capable of holding thousands of songs, thanks to the discovery 20 years ago of a phenomenon known as the “giant magnetoresistance ...

Physics / General Physics

created Jun 05, 2009 | popularity 4.4 / 5 (23) | comments 3