Oregon State University

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PhD Oral Preliminary Examination – Weiyang Li


Tuesday, April 30, 2013 2:00 PM - 4:00 PM

Acoustic Assisted Magnetic Recording
Energy assisted magnetic recording, represented by heat-assisted and microwave-assisted magnetic recording nowadays, is a leading driving force that enables large increase in the storage capacity. However, I have developed a novel technology, acoustic assisted magnetic recording, in which the data is recorded in a 50 nm continuous magnetostrictive Galfenol thin film with the assistance of surface acoustic wave (SAW). It uses strain to lower the coercivity of the medium and allows data to be recorded at a smaller field. The key advantages of this technology are ease of fabrication and low cost. It also holds the potential to implement practical acoustic-assisted solid state magnetic memory.

Major Advisor: Pallavi Dhagat
Committee: Albrecht Jander
Committee: Alan Wang
Committee: Janet Tate
GCR: Brady Gibbons 


Kelley Engineering Center (campus map)
1114
Nicole Thompson
1 541 737 3617
Nicole.Thompson at oregonstate.edu
Sch Elect Engr/Comp Sci
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