In-situ sub-angstrom characterization of laser-lubricant interaction in a thermo-tribological system.

ABSTRACT: Laser-lubricant interaction has been a critical reliability issue in a thermo-tribological system named heat-assisted magnetic recording, one of the next generation hard disk drive solutions to increasing data storage. The lubricant response under laser irradiation and the subsequent lubricant recovery are crucial to the system's reliability and longevity, however, they cannot be diagnosed locally and timely so far. Here, we propose a thermal scheme to in-situ characterize the mechanical laser-lubricant interaction. The nanometer-thick lubricant has a thermal barrier effect on the near-field thermal transport in the system, according to which the lubricant thickness can be determined. As demonstrations, this paper reports the first quantitative in-situ measurements of the laser-induced lub

SUBMITTER: Cheng Q 

PROVIDER: S-EPMC11457497 | biostudies-literature | 2024 Oct

REPOSITORIES: biostudies-literature