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A ferroelectric memristor.
- A. Chanthbouala, V. Garcia, +10 authors J. Grollier
- Materials Science, Medicine
- Nature materials
- 15 June 2012
Memristors are continuously tunable resistors that emulate biological synapses. Conceptualized in the 1970s, they traditionally operate by voltage-induced displacements of matter, although the… Expand
Matching domain-wall configuration and spin-orbit torques for efficient domain-wall motion
In our numerical study, we identify the best conditions for efficient domain-wall motion by spin-orbit torques originating from the spin Hall effect or Rashba effect. We demonstrate that the effect… Expand
Solid-state memories based on ferroelectric tunnel junctions.
- A. Chanthbouala, A. Crassous, +13 authors A. Barthélémy
- Materials Science, Medicine
- Nature nanotechnology
- 1 February 2012
Ferroic-order parameters are useful as state variables in non-volatile information storage media because they show a hysteretic dependence on their electric or magnetic field. Coupling ferroics with… Expand
Synchronization of spin-transfer oscillators driven by stimulated microwave currents
- J. Grollier, O. Boulle, V. Cros, A. Fert
- INTERMAG - IEEE International Magnetics…
- 13 September 2005
This article presents numerical simulations to study the synchronization of electrically connected STOs (spin transfer oscillators). The motion of the magnetizations mj of the layers F2 of a… Expand
Spin-polarized current induced switching in Co/Cu/Co pillars
We present experiments of magnetization reversal by spin injection performed on pillar-shaped Co/Cu/Co trilayers. The pillars (200×600 nm2) are fabricated by electron beam lithography and reactive… Expand
Neuromorphic computing with nanoscale spintronic oscillators
Neurons in the brain behave as nonlinear oscillators, which develop rhythmic activity and interact to process information. Expand
Spin-torque building blocks.
The discovery of the spin-torque effect has made magnetic nanodevices realistic candidates for active elements of memory devices and applications. Magnetoresistive effects allow the read-out of… Expand
Coupling efficiency for phase locking of a spin transfer nano-oscillator to a microwave current.
- B. Georges, J. Grollier, +5 authors A. Fert
- Materials Science, Physics
- Physical review letters
- 28 February 2008
The phase locking behavior of spin transfer nano-oscillators (STNOs) to an external microwave signal is experimentally studied as a function of the STNO intrinsic parameters. We extract the coupling… Expand
Phase-locking of magnetic vortices mediated by antivortices.
Synchronized spin-valve oscillators may lead to nanosized microwave generators that do not require discrete elements such as capacitors or inductors. Uniformly magnetized oscillators have been… Expand
Large microwave generation from current-driven magnetic vortex oscillators in magnetic tunnel junctions.
Spin-polarized current can excite the magnetization of a ferromagnet through the transfer of spin angular momentum to the local spin system. This pure spin-related transport phenomenon leads to… Expand