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Scientists have examined thin films of Dysprosium-Cobalt sputtered onto a nanostructured membrane at BESSY II. They showed that new patterns of magnetization could be written in a quick and easy manner after warming the sample to only 80 degrees Celsius, which is a much lower temperature as compared to conventional Heat Assisted Magnetic Recording systems.

This paves the way to fast and energy efficient ultrahigh density data storage. The results are published now in the new journal Physical Review Applied.

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