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Nanopatterning Si(111) surfaces as a selective surface-chemistry route
The ability to control the surface chemistry of silicon is important for microelectronic applications. Chemical species can now be stabilized on Si(111) surfaces using a partially alkoxylated surface as a nanopatterning template.
- David J. Michalak
- , Sandrine Rivillon Amy
- & Yves J. Chabal
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Letter |
Current-driven spin torque induced by the Rashba effect in a ferromagnetic metal layer
Control of magnetization in ferromagnetic metals can be achieved through the spin torque of currents of spin-polarized electrons, usually injected externally. It is now shown that even without this spin-polarized injection, a current can induce strong spin torques through the Rashba effect. The efficiency of this process makes it a realistic candidate for room-temperature spintronic applications.
- Ioan Mihai Miron
- , Gilles Gaudin
- & Pietro Gambardella
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Article |
Ordered mesoporous α-MoO3 with iso-oriented nanocrystalline walls for thin-film pseudocapacitors
Capacitive energy storage is technologically attractive because of its short charging times and its ability to deliver more power than batteries. The capacitive charge-storage properties of mesoporous films of MoO3 with iso-oriented grains now lead to pseudocapacitive materials that offer increased energy density while still maintaining high power density.
- Torsten Brezesinski
- , John Wang
- & Bruce Dunn
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