The utilization of boron nitride (BN) for granular L1-FePt HAMR media fabrication
In this experimental study, we present a dual-layer structure of FePt-boron nitride (BN)/FePt-
SiO x granular media for the heat-assisted magnetic recording. The boron nitride (BN) was
deposited together with FePt at 700 C for the first 2.5 nm in the initial film growth. After the
initial growth, SiO x was used to replace the BN to serve as the grain boundary material for
the rest of film growth process. The transmission electron microscopy study on the fully
grown FePt-BN/FePt-SiO x film shows well-isolated FePt grains that are fully encircled by the …
SiO x granular media for the heat-assisted magnetic recording. The boron nitride (BN) was
deposited together with FePt at 700 C for the first 2.5 nm in the initial film growth. After the
initial growth, SiO x was used to replace the BN to serve as the grain boundary material for
the rest of film growth process. The transmission electron microscopy study on the fully
grown FePt-BN/FePt-SiO x film shows well-isolated FePt grains that are fully encircled by the …
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