| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 1816873 | Physica B: Condensed Matter | 2006 | 5 Pages |
Abstract
A method of heat-assisted magnetic recording (HAMR) potentially suitable for probe-based storage systems is characterized. In this work, field emission current from a scanning tunneling microscope (STM) tip is used as the heating source. Pulse voltages of 3-7Â V with a duration of 500Â ns were applied to a CoNi/Pt multilayered film which is fabricated on a bare silicon and oxidized silicon, respectively. For both substrates, write threshold voltage of 4Â V was observed. Above threshold, mark size was 170 and 260Â nm for the films on bare silicon and oxidized silicon, respectively. A model of 2-D heat transfer in a multilayered film structure was applied and the mark size difference was explained by the thermal conductivity of the substrate.
Keywords
Related Topics
Physical Sciences and Engineering
Physics and Astronomy
Condensed Matter Physics
Authors
Li Zhang, James A. Bain, Jian-Gang Zhu, Leon Abelmann, Takahiro Onoue,