460 citations · 641 across the 15 of their papers we have counts for
6 papers · 1 filter
Cloaking the magnons
Mehrdad Elyasi, Charanjit S. Bhatia, Cheng-Wei Qiu +1
We propose two approaches to cloak the spin waves (magnons) by investigating magnetization dynamics. One approach is based on a spatially inhomogeneous anisotropic magnetic moment…
Magnetization reversal using excitation of collective modes in nanodot matrices
Mehrdad Elyasi, Charanjit S. Bhatia, Hyunsoo Yang
The large arrays of magnetic dots are the building blocks of magnonic crystals and the emerging bit patterned media for future recording technology. In order to fully utilize the f…
Synchronization of spin-transfer torque oscillators by spin pumping, inverse spin Hall, and spin Hall effects
Mehrdad Elyasi, Charanjit S. Bhatia, Hyunsoo Yang
We have proposed a method to synchronize multiple spin-transfer torque oscillators based on spin pumping, inverse spin Hall, and spin Hall effects. The proposed oscillator system c…
Stochastic Nonlinear Electrical Characteristics of Graphene
Young Jun Shin, Kalon Gopinadhan, Kulothungasagaran Narayanapillai +3
A stochastic nonlinear electrical characteristic of graphene is reported. Abrupt current changes are observed from voltage sweeps between the source and drain with an on/off ratio…
Ambipolar bistable switching effect of graphene
Young Jun Shin, Jae Hyun Kwon, Gopinadhan Kalon +4
Reproducible current hysteresis is observed in graphene with a back gate structure in a two-terminal configuration. By applying a back gate bias to tune the Fermi level, an opposit…
Tunneling characteristics of graphene
Young Jun Shin, Gopinadhan Kalon, Jaesung Son +5
Negative differential conductance and tunneling characteristics of two-terminal graphene devices are observed before and after electric breakdown, respectively. The former is cause…