Magnetic materials

News roundup

By Eileen De Guire / June 22, 2012

News from all corners … MaterialsViews reports that Corning’s Gorilla Glass will be used in Microsoft’s new Surface tablets, which are expected to be released by the end of this…

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Skyrmions—magnetic bubbles that may be useful places to store data

By Eileen De Guire / June 11, 2012

Magnetic eddies in silicon manganese, so-called skyrmions, form a regular grid. Moving these skyrmions needs 100,000 times smaller currents than existing technologies. But, inquiring minds will ask, what is a…

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Magnetic hexaferrites have an attractive future

By Robert C. Pullar / May 29, 2012

SEM photograph of hexagonal ferrite crystals. 30000 X magnification, scale bar = 1 microns (0.0001 cm). Credit: Robert C. Pullar. Hexagonal ferrite ceramics have well known abilities and properties, and…

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Supply chain issues drive rare earth economics

By Eileen De Guire / April 27, 2012

Access to rare earths needs to be addressed at all points in the supply chain, experts say. Credit: The Bulletin, ACerS. In March the US, Japan and European Union filed…

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Other materials stories that may be of interest

By / April 24, 2012

Process flow of preparing the vertically aligned single-walled CNTs-DSCs. Pre-etched VASWCNTs on silicon substrate (Process 1) were flipped on top of the FTO-glass, and then a force was loaded onside…

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What are the ‘Grand Challenges’ for ceramic research?

By Eileen De Guire / March 20, 2012

Mario Affatigato from Coe College identified the interaction between glass and living matter as a grand challenge that can be addressed by the glass and ceramics research community. Credit: ACerS.…

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UMich researchers closer to producing piezo-powered pacemaker

By / March 5, 2012

Power output of the nonlinear bistable energy harvester, conceived as a way to use heartbeats to power a pacemaker device . X-axis is the thickness of the piezoelectric layer. Credit Karami…

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A magnetic tongue stud and sensor system for steering wheelchairs

By Eileen De Guire / March 5, 2012

A tongue drive system that fits inside a dental retainer could improve mobility for people with high-level spinal cord injuries. Credit: Maysam Ghovanloo; Georgia Institute of Technology. An innovative alliance…

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Historic January 1987: YBCO superconductors discovered and Super Bowl XXI

By Eileen De Guire / January 31, 2012

This timeline of discovery of superconducting materials shows how dramatic the discovery of high-Tc YBCO was. Credit: Wikipedia. Do you recall where you were the weekend before the Super Bowl…

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Other materials stories that may be of interest

By / January 17, 2012

Check ’em out: Warning on fracture of the alumina-bearing couple delta ceramic liner in hip implants Although the fracture rate of third-generation alumina-bearing couples is low, we believe that it…

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