Orientation-sensitive magnetic force microscopy for future probe storage applications

Dmitri Litvinov, Sakhrat Khizroev

Research output: Contribution to journalArticlepeer-review

35 Scopus citations

Abstract

A focused ion beam process was utilized to physically define a "point dipole" magnetic force microscopy (MFM) tip with cylindrical dimensions as small as 50 nm in diameter and 10 nm in height. By controlling the preferred orientation of the magnetization, it is possible to define directional sensitivity. The preferred orientation is controlled either by choosing a proper magnetic material with preferred crystalline anisotropy or by applying a sufficiently strong external magnetic field. The signal selectivity with respect to the imaged field orientation allows more direct information to be obtained from the imaged object, as compared to the information obtained from the same object when using a conventional MFM tip.

Original languageEnglish (US)
Pages (from-to)1878-1880
Number of pages3
JournalApplied Physics Letters
Volume81
Issue number10
DOIs
StatePublished - Sep 2 2002

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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