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Journals and Conferences
In this work, current-driven precession of magnetization in multilayers with Co-Fe-B/MgO/Co-Fe-B MTJ in the form of dots has been investigated.
We review the 2 Tbit/in2 reader design landscape based on existing knowledge and projection. We found that the reader signal-to-noise ratio (SNR) requirement will be highly challenging due to the… (More)
A steady-state electrical current flowing in a magnetic heterostructure can exert a torque on the magnetization, and provides a means to control magnetization states and dynamics in spintronics… (More)
The read sensor bias point plays an important role in the presence of media field as the aspect ratio of the sensor is scaled down. The change in the bias point also affects the asymmetry of the read… (More)
Noise in tunneling magnetoresistive (TMR) read heads play an important role in magnetic recording. Extensive studies were carried out in understanding thermal magnetic noise in the TMR heads. The… (More)
Simulated ESD transients with pulsewidths from 0.1 nsec to 10 nsec were applied to GMR heads. From 1 to 10 nsec essentially no changes in failure voltages are observed, but below approximately 1… (More)
Differences between heat-assisted magnetic recording (HAMR) and conventional perpendicular magnetic recording (PMR) for signal processing of the written track by one and two reader multisensor… (More)
In this paper, the mechanism of permanent magnets induced reader instability is investigated by stray field experiment and micro-magnetic modeling.
This article investigates the pattern dependence of tunnelling magnetoresistance sensor noise behavior to determine the characteristics and the source of noise in the read sensor. It is shown that… (More)
In this paper, we discuss about the degradation in magnetoresistive properties by short pulse zapping has been investigated for both spin valve (SV) and tunnelling giant magnetoresistive (GMR) heads… (More)