Open Questions: Digital Storage Technology

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Introduction

Magnetic random access memory


Recommended references: Web sites

Recommended references: Magazine/journal articles

Recommended references: Books

Introduction



Recommended references: Web sites

The Key to Smaller, More Powerful Gadgets
September 2008 Scientific American articlette, subtitled "Current ways of storing information on PCs and cell phones won't cut it as memory demands grow and devices shrink."
More Bits in Pits
February 2005 Scientific American In Depth article, subtitled "DVD-like system could take a run at holographic storage".
Non-Volatile Magnetic Random Access Memory
Brief overview of IBM research on magneto-electronic memory devices.
The "millipede" project
Information on an IBM research project for a "nanomechanical AFM-based data storage system". (AFM = "antiferromagnetic".)
Magnetoelectronics enhance memory
Summary of December 2003 article from Physics World, by Daniel Hagele and Michael Oestreich. "The logical units in conventional computer processors are hard-wired to perform different tasks, which means that each unit requires its own set of logic gates comprising even more transistors. Now, Klaus Ploog and co-workers at the Paul Drude Institute for Solid State Electronics in Berlin have proposed an exciting way to use MRAMs to perform logic operations that could lead to increased computational efficiency and reduction in chip size."
A new spin on magnets
February 2001 news article from Physicsweb, about a possible new amd faster technique for magnetic recording.
Optical data storage enters a new dimension
July 2000 article from Physics World. "Holographic data storage promises increased storage densities and improved access times that could lead to a new range of novel memory devices."
Magnetic media: faster and smaller
October 2000 news article from Physics World.
Magnetic recording sets speed record
October 1999 news article from Physics World about a faster way to access magneticly recorded data.
Magnetoelectronics
Summary of April 1999 article in Physics World, by Jo de Boeck and Gustaaf Borghs. "New microelectronic components that exploit the spin, rather than the charge, of the electron are being designed by the semiconductor and magnetic-recording industries."


Recommended references: Magazine/journal articles

Racetrack Memory: The Future Third Dimension of Data Storage
Stuart S. P. Parkin
Scientific American, June 2009
"A device that slides magnetic bits back and forth along nanowire "racetracks" could pack data in a three-dimensional microchip and may replace nearly all forms of conventional data storage."


Recommended references: Books


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