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8 papers · 2 filters
Composite topological structure of domain walls in synthetic antiferromagnets
A. G. Kolesnikov, V. S. Plotnikov, E. V. Pustovalov +4
We experimentally study the structure and dynamics of magnetic domains in synthetic antiferromagnets based on Co/Ru/Co films. Dramatic effects arise from the interaction among the…
Gap states and edge properties of rectangular graphene quantum dot in staggered potential
Y. H. Jeong, S. -R. Eric Yang
We investigate edge properties of a gapful rectangular graphene quantum dot in a staggered potential. In such a system gap states with discrete and closely spaced energy levels exi…
Topological end states and Zak phase of rectangular armchair ribbon
Y. H. Jeong, S. -R. Eric Yang
We consider the end states of a half-filled rectangular armchair graphene ribbon (RAGR) in a staggered potential. Taking electron-electron interactions into account we find that, a…
Nitrogen doping of carbon nanoelectrodes for enhanced control of DNA translocation dynamics
Sang Won Jung, Han Seul Kim, Art E. Cho +1
Controlling the dynamics of DNA translocation is a central issue in the emerging nanopore-based DNA sequencing. To address the potential of heteroatom doping of carbon nanostructur…
Spin-orbit torques from interfacial spin-orbit coupling for various interfaces
Kyoung-Whan Kim, Kyung-Jin Lee, Jairo Sinova +2
We use a perturbative approach to study the effects of interfacial spin-orbit coupling in magnetic multilayers by treating the two-dimensional Rashba model in a fully three-dimensi…
Chiral magnetoresistance in Pt/Co/Pt zigzag wires
Yuxiang Yin, Dong-Soo Han, June-Seo Kim +7
The Rashba effect leads to a chiral precession of the spins of moving electrons while the Dzyaloshinskii-Moriya interaction (DMI) generates preference towards a chiral profile of l…