[PDF] Top 20 Spin transfer torques in magnetic tunnel junctions

... on spin transfer torque in magneti tunnel jun tions. In the rst part, we prop ose an overview of exp erimental and theoreti al studies addressing urrent-indu ed magnetization ex ... Voir le document complet

... term in magnetic tunnel junctions, as it was al- ready reported in a different experiment [ 6 ...for magnetic tunnel junctions [ 14 ]. In summary, we have ... Voir le document complet

... Spintronics, Spin Hall effect, Rashba effect, SOI, ATMR, TAMR Spin-orbit interactions (SOI) are at the origin of sev- eral transport properties of bulk ferromagnetic met- als, such as Anomalous Hall Effect ... Voir le document complet

... perpendicular magnetic tunnel junctions (pMTJ) constitute the storage element of spin-transfer torque magne- toresistive random access memory (STT-MRAM) [ 1 – 6 ...MTJs. In- ... Voir le document complet

... longitudinal spin density along the magnetic tunnel junction for majority (solid line) and minority (dotted line) electron spin ...to spin torque. In this case, the averaging of ... Voir le document complet

... interest in investigating spintronic devices has been triggered in both fundamental research and industrial applications since ...instance, Magnetic Random Access Memories (MRAMs) [1] are considered ... Voir le document complet

... Anisotropy, Spin-Transfer-Torque, Transverse domain wall ...The spin-transfer-torque magnetic random-access memory (STT-MRAM) is one of the most promising emerging non- volatile memory ... Voir le document complet

... (GMR) in spin valves in 1988 [ 1 ], a new branch of physics referred to as spintronics has considerably ...large tunnel magnetoresistance (TMR) in 1995 [ 2 ], the prediction of the ... Voir le document complet

... enon. In Sec. II, an analytical macrospin model is developed in the framework of the linear-response ...the magnetic noise power spectral density in the ab- sence of ... Voir le document complet

... and spin currents which constitute the 2x2 spinor in magnetic tunnel junctions with non-collinear magnetizations under ap- plied ...model in the framework of the Keldysh ... Voir le document complet

... direction in a fast and energetically efficient way is a key requirement for magnetic tunnel junctions (MTJs) used in magnetoresis- tive random-access memories ...Current-induced ... Voir le document complet

... presence in our tunnel ...samples in order to determine their chemical ...diffusion in such structures is well ...of magnetic impurities into the MgO ...non- magnetic impurities ... Voir le document complet

... ] Magnetic random access memories (MRAMs) based on magnetic tunnel junctions (MTJs) have been developed according to different write ...concepts. In thermally assisted MRAM (TA-MRAM), ... Voir le document complet

... had in Portuguese at the ...helping in the macrospin simulations, respectively, for in-plane and out-of-plane double ...moments in that office, specially after working hours when noise was not ... Voir le document complet

... of spin dependent Tunneling 共SDT兲 across a Ge barrier by Jullière, 1 SDT has been shown to occur using others tunnel barrier ...this in order to obtain composite tun- nel ...such junctions are ... Voir le document complet

... that in about 120 ns the system reaches a new equilibrium state that, in contrast to the previous case, is a DW at the same position, but with its internal structure ...the magnetic moments inside ... Voir le document complet

... of spin transfer torque (STT) by Berger [ 1 ] and Slonczewski [ 2 ] in ...innovative magnetic memory technology, namely spin-transfer torque magnetic ran- dom access ... Voir le document complet

... interactions In a stack comprising two ferromagnetic layers separated by a non-magnetic spacer, it has been observed that an indirect exchange coupling could appear between the magnetic ...layers. ... Voir le document complet

... groups in the world since 2001. The basis of spin polarized transport in fully epitaxial MgO-based MTJ is explained by considering the particular electronic structure along the BCC(001) structure and ... Voir le document complet

... direction d’aimentation qui dépend du temps. Dans ce but, on commence par introduire la résonance ferromagnétique (RFM) dans le Chapitre 2 . Contrairement à la résonance magnétique nucléaire et en fonction de la ... Voir le document complet