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Magnetic tunnel junction

Fig. 19 Resistance-area product (a) and magnetoresistance (b) plotted as a function of Alqa barrier thickness in MgO/Alq3 magnetic tunnel junctions. The solid line is the fit to a (8), with parallel tunelling and hopping channels. The line in (b) is a guide to the eye. Taken Irom [23] with permission... Fig. 19 Resistance-area product (a) and magnetoresistance (b) plotted as a function of Alqa barrier thickness in MgO/Alq3 magnetic tunnel junctions. The solid line is the fit to a (8), with parallel tunelling and hopping channels. The line in (b) is a guide to the eye. Taken Irom [23] with permission...
Yuasa S, Nagahama T, Fukushima A, Suzuki Y, Ando K (2004) Giant room-temperature magnetoresistance in single-crystal Fe/MgO/Fe magnetic tunnel junctions. Nat Mater 3 868-871... [Pg.300]

Szulczewski G, Tokuc H, Oguz K, Coey JMD (2009) Magnetoresistance in magnetic tunnel Junctions with an organic barrier and a MgO spin filter. Appl Phys Lett 95 202506... [Pg.300]

Wang W, Richter CA (2006) Spin-polarized inelastic electron tunneling spectroscopy of a molecular magnetic tunnel junction. Appl Phys Lett 89 153105... [Pg.301]

Zhang A, Levy PM, Marley AC, Parkin SSP (1997) Quenching of magnetoresistance by hot electrons in magnetic tunnel junctions. Phys Rev Lett 79 3744—3747... [Pg.301]

Figure 5. (a) Lorentz imaging (schematic) and (b) Lorentz micrograph from a CoPtCr (15 nm)/ alumina/Co (10 nm) magnetic tunnel junction during field-cycling. Domain walls and ripple contrast due primarily to the soft Co layer [10]. [Pg.128]

Figure 9. Magnetic tunnel junctions (a) cross-section of simple MTJ before annealing and (b) high-resolution image of barrier region after annealing at 350 °C [ 14]. Figure 9. Magnetic tunnel junctions (a) cross-section of simple MTJ before annealing and (b) high-resolution image of barrier region after annealing at 350 °C [ 14].
Figure 11(b) shows a cross-section electron micrograph of a discontinuous magnetic tunnel junction (DMTJ), consisting of two planes of magnetic Co nanoparticles sandwiched between three insulating SiC>2 layers. After moderate annealing, this simple bilayer DMTJ showed an MR of 4%... [Pg.135]

Figure 20. Example of double barrier magnetic tunnel junctions used in thermally assisted switching double free layer and weakly pinned storage layer (left) and minor TMR loops of double barriers junctions (right). Solid squares prior to pulse heating, open triangles after heating pulse and reversing the pinned layer in a 60 Oe easy axis external field. The junction area is 1 pm2, and a TMR of 25% and a resistance x area product of300 Opm2 are obtained. Figure 20. Example of double barrier magnetic tunnel junctions used in thermally assisted switching double free layer and weakly pinned storage layer (left) and minor TMR loops of double barriers junctions (right). Solid squares prior to pulse heating, open triangles after heating pulse and reversing the pinned layer in a 60 Oe easy axis external field. The junction area is 1 pm2, and a TMR of 25% and a resistance x area product of300 Opm2 are obtained.
J. Ackerman, M. DeHerrera, M. Durlam, B. Engel, J. Janesky, F. Mancoff, J. Slaughter, and S. Tehrani, Magnetoelectronics in Magnetic Tunnel Junction Based Magnetoresistive Random Access Memory , Ed. M. Johnson, Elsevier Academic Press, 2004. [Pg.456]

Fig. 5.3-29 (a) Optical images of a processed sample of small-size LSMO/STO/LSMO magnetic tunnel junctions, (b) R(H) loop for a 5.6x5.6pm junction measured at 4.2 K. (After [3.114])... [Pg.1056]

T. Dimopoulos Spin polarised tunnel transport in magnetic tunnel junctions The role of metal/oxide interfaces in the tunnel process. Ph.D. Thesis (University Louis Pasteur, Strasbourg 2002)... [Pg.1069]

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See also in sourсe #XX -- [ Pg.263 ]

See also in sourсe #XX -- [ Pg.1054 ]



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Magnetic tunneling junctions (MTJ

Tunnel junction

Tunneling junction

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