Fabrication and programming of nanomagnet arrays for nanoscale magnetic field synthesis
ORAL
Abstract
Nanoscale magnetic field synthesis finds applications in band structure engineering, nano-particle manipulation, and local spin resonance. In the presence of a 1D spatially rotating magnetic field, the band structure of a 1D electron system without spin-orbit coupling can be engineered such that an effective spin-orbit (SO) gap appears in the energy dispersion. Inside the effective SO gap the spin degeneracy is removed. We present our results on fabricating nanomagnet arrays using two magnetic materials with distinct coercivities, programming the nanomagnet arrays using a global external magnetic field, and characterizing the magnetization configuration using magnetic force microscopy.
*This work was supported by the Laboratory Directed Research and Development Program at Sandia National Laboratories, and was performed, in part, at the Center for Integrated Nanotechnologies, a U.S. DOE, Office of Basic Energy Sciences user facility. Sandia National Labs is managed and operated by National Technology and Engineering Solutions of Sandia, LLC, a subsidiary of Honeywell International, Inc., for the U.S. DOE’s National Nuclear Security Administration under contract DE-NA0003525. The views expressed in the article do not necessarily represent the views of the DOE or the U.S. Government.
–
Presenters
-
Tzu-Ming Lu
- Sandia National Laboratories
- Sandia National Labs