An apparatus comprises a data storage medium including a piezoelectric material and a ferromagnetic material, an electric field source for applying an electric field to a portion of the data storage medium, and a write pole for applying a magnetic field to the portion of the data storage medium. A method performed by the apparatus is also provided.

 
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< Secure data storage

< Calibration circuit for calibrating an adjustable capacitance of an integrated circuit having a time constant depending on said capacitance

> Rotating disk storage device having a carriage formed with non-binding pads

> Preheating control system of information processing device and control method thereof
~ 00601