Our principle areas of research interest include Exchange Bias,
Dilute Magnetic Dielectric, and Exchange Springs.  Exchange Bias
The exchange bias effect has been systematically studied in our
group due to its applications in magnetic storage industry.
Well-defined growth recipes for both in-plane and out-of-plane
exchange bias have been established, and the effects from
different parameters on the exchange bias, as well as the
related properties were investigated, including layer
thicknesses, temperature, and growth choices, etc. Most
importantly, we have been focusing on the competing effects on
exchange bias from sample properties (magnetocrystalline
anisotropy), structures (shape), and long-range dipolar
interactions. Advanced characterizations were also used to
direct reveal the interfacial spin structures.  Competing
magnetocrystalline anisotropy and exchange bias was studied in
epitaxial Fe/IrMn and Fe/MnPd bilayers, with the collinear and
spin-flop coupling types, respectively. Specifically, the ferr