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Ultra-high-density data storage may become practical with breakthrough in nanoscale magnetic sensors.

Publication: M2 Presswire
Publication Date: 31-JAN-03 		Format: Online - approximately 915 words
Delivery: Immediate Online Access

Article Excerpt
M2 PRESSWIRE-31 January 2003-NSF: Ultra-high-density data storage may become practical with breakthrough in nanoscale magnetic sensors(C)1994-2003 M2 COMMUNICATIONS LTD

RDATE:01302003

Arlington, Va. -- A simpler and more reliable manufacturing method has allowed two materials researchers to produce nanoscale magnetic sensors that could increase the storage capacity of hard disk drives by a factor of a thousand.

Building on results reported last summer, the new sensors are up to 100 times more sensitive than any current alternative technology.

Susan Hua and Harsh Deep Chopra, both professors at the State University of New York at Buffalo, report in the February issue of Physical Review B on their latest experiments with nanoscale sensors that produce, at room temperature, unusually large electrical resistance changes in the presence of small magnetic fields. The work is supported by the National Science Foundation...

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