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|Author(s):||Jung Phil Seo; Tae Hwan Kim; Seok-Hwan Chung; Youngtaek Oh; Jaehyuk Choi; Young Kuk;|
|Title:||Tuning magnetostatic interaction in single-crystalline nanodot arrays with in-plane easy axes|
|Published:||February 16, 2010|
|Abstract:||We have fabricated an ultrahigh-vacuum-processed, ordered, single-crystalline nanodot array. By mapping the magnetization of the nanodots with spin polarized scanning tunneling microscopy in the same chamber where they were grown, we are able to understand how the short-range order of the nanodot array is determined by the magnetostatic dipole interaction among neighboring nanodots. We also demonstrate tuning the magnetic interaction in the nanodot array by controlling those magnetic energies. Further magnetic simulations support the observed results consistently.|
|Citation:||Applied Physics Letters|
|Keywords:||Magnetic nanodots, spin polarized scanning tunneling microscope, magnetocrystalline anisotropy, interdot interaction|
|PDF version:||Click here to retrieve PDF version of paper (230KB)|