A hard disk (also called a fixed disk) is the primary medium for storing information on computers, because it combines high capacity, relatively fast access and low price. A hard disk drive is ...

These sensors operate at very low currents and are the most sensitive to magnetic fields, which makes them common in the read heads of hard-disk drives (Fig. 9), low-power switching applications ...

Skyrmions—vortex-like spin textures—are conventionally only seen in materials that exhibit the right magnetic properties. Li et al.now create so-called artificial skyrmions using a cobalt disk ...

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Data is arranged on the surface of the magnetic disk in 'concentric' tracks, much like the ring-like grooves on a vinyl record. When inserted into a computer's floppy disk drive, ...

Crucially, the use of non-magnetic materials throughout the system means the microscope is ideally suited for low-temperature MFM applications (down to 1.8 K) in combination with high magnetic fields ...