Current-induced magnetization reversal in nanopillars with perpendicular anisotropy

S Mangin, D Ravelosona, JA Katine, MJ Carey… - Nature materials, 2006 - nature.com
Devices that show a magnetic anisotropy normal to the film surface hold great promise
towards faster and smaller magnetic bits in data-storage applications. We describe an …

Nonlinear auto-oscillator theory of microwave generation by spin-polarized current

A Slavin, V Tiberkevich - IEEE Transactions on Magnetics, 2009 - ieeexplore.ieee.org
This paper formulates a general analytic approach to the theory of microwave generation in
magnetic nano-structures driven by spin-polarized current and reviews analytic results …

Magnetism in ultrathin film structures

CAF Vaz, JAC Bland, G Lauhoff - Reports on Progress in Physics, 2008 - iopscience.iop.org
In this paper, we review some of the key concepts in ultrathin film magnetism which underpin
nanomagnetism. We survey the results of recent experimental and theoretical studies of well …

Magnetic vortex oscillator driven by dc spin-polarized current

VS Pribiag, IN Krivorotov, GD Fuchs, PM Braganca… - Nature physics, 2007 - nature.com
Transfer of angular momentum from a spin-polarized current to a ferromagnet provides an
efficient means to control the magnetization dynamics of nanomagnets. A peculiar …

Spin-torque oscillator using a perpendicular polarizer and a planar free layer

D Houssameddine, U Ebels, B Delaët, B Rodmacq… - Nature materials, 2007 - nature.com
Spintronics materials have recently been considered for radio-frequency devices such as
oscillators by exploiting the transfer of spin angular momentum between a spin-polarized …

Developments in nano-oscillators based upon spin-transfer point-contact devices

TJ Silva, WH Rippard - Journal of Magnetism and Magnetic Materials, 2008 - Elsevier
We review the current status of research on microwave nano-oscillators that utilize spin
transfer devices with point-contact geometry, with an emphasis on the open questions that …

Spin torque oscillator frequency versus magnetic field angle: The prospect of operation beyond 65 GHz

S Bonetti, P Muduli, F Mancoff, J Åkerman - Applied Physics Letters, 2009 - pubs.aip.org
We study the impact of the magnetic field angle on the oscillation frequency of a nanocontact
spin torque oscillator (STO) in magnetic fields up to 2.1 T. A model based on a single …

Method for manufacturing high density non-volatile magnetic memory

RK Malmhall, K Satoh, J Zhang, P Keshtbod… - US Patent …, 2014 - Google Patents
Methods of fabricating MTJ arrays using two orthogonal line patterning steps are described.
Embodiments are described that use a self-aligned double patterning method for one or …

Current-confined effect of magnetic nano-current-channel (NCC) for magnetic random access memory (MRAM)

J Wang - US Patent 7,732,881, 2010 - Google Patents
6,365,419 B1 4/2002 Durlam et a1. 6,421,270 B1 7/2002 Tai sub-layer formed on top of the
bottom electrode, a nano current-channel (NCC) layer formed on top of the? rst free sub …

Shaped angular dependence of the spin-transfer torque and microwave generation without magnetic field

O Boulle, V Cros, J Grollier, LG Pereira, C Deranlot… - Nature Physics, 2007 - nature.com
The generation of oscillations in the microwave frequency range is one of the most important
applications expected from spintronics devices exploiting the spin-transfer phenomenon …