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Diamond-like carbon (DLC) films which contain a mixture of sp2 and sp3 hybridizations are widely used as a protective layer against wear and corrosion in hard disk drives (HDDs) due to their outstanding mechanical and tribological properties such as high hardness, low friction coefficient and excellent chemical durability [1]. The typical thickness of DLC film in HDD is approximately 1-2nm. For such...
Ferromagnetic electrodes with perpendicular magnetic anisotropy (PMA) have been extensively studied because of the outstanding performance in applications. [1] To obtain high tunneling magnetoresistance (TMR), researchers have put efforts to realize PMA with Co-based full-Heusler alloy films with MgO barrier. However, the lattice mismatch between MgO and full-Heusler alloy leads to a rapid TMR reduction...
Stability of materials is of great technical importance for materials to be applied technologically. In this paper, a novel material-amorphous composite films of titanium and vanadium oxides films, which may have a very promising industrial application, were obtained by reactive dc magnetron co-sputtering deposition. The dependence of thermal resistance and square resistance stability of the samples...
The tremendous increase in magnetic areal density has been largely responsible for the proliferation of hard disk drive recording into new applications and markets. The superparamagnetic limit imposes a signal-to-noise ratio, thermal stability, and writability tradeoff that limits the ability to continue to scale traditional magnetic recording technology to higher storage densities. Heat assisted...
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