spin dependent tunnel junctions
Spin dependent transport in multifunctional tunnel junctions
... The kinetic energy can now be written as a fnnctional of the density, T[n], as can the electron-nuclei potential energy, 14„[n], and the electron-electron interaction, \4e[n], so that th[r] ...
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Tunnelling effects in multiferroic tunnel junctions
... ferroelectric tunnel junctions is inferred by the increased value of the ...the spin transport properties in multiferroic tunnel junctions, despite their similar electron ...
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A Two-Band Tight-Binding Model of Spin-Polarized Transport in Magnetic Tunnel Junctions
... of spin-dependent transport in multi- layers is the current induced magnetization switching in magnetic multilayers due to spin-transfer torque [16] acting on the magnetization of the magnetic ...
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Prediction of large bias dependent magnetoresistance in al l oxide magnetic tunnel junctions with a ferroelectric barrier
... found at −2.5 eV. In the AP configuration the electron transmission occurs between majority (minority) states in the left-hand side electrode and minority (majority) in the right-hand side one, so that T (E) for both the ...
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Symmetry dependent electron electron interaction in coherent tunnel junctions resolved by measurements of zero bias anomaly
... magnetic tunnel junctions (MTJs) [1,2] and its subsequent discovery [3,4] represent a major triumph of mean-field theory of electronic structure ...the spin polarization (SP) of the ferromagnetic ...
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MgO based magnetic tunnel junctions and their applications
... The tunnel current o f a m etal/insulator/m etal structure is not expected to show m uch tem perature ...Al/AlOx/Al junctions (with A1 in the norm al state) showed only a 5 -10 % change in resistance from ...
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Computational design of usual magnetic tunnel junctions
... of density n σ α and σ is the spin index. Similarly E xc LDA [n σ α , 0] is the self-XC (exchange and correlation) potential energy for all occupied Kohn-Sham (KS) orbitals from the LDA XC functional (the same ...
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Spin polarized tunneling in hybrid magnetic tunnel junctions comprising C60
... efficient spin injection from a metal to a ...the spin injection experiment, the resistance of the device can be divided into a spin-dependent part and a spin-independent ...Therefore, ...
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Bi ferroic memristive properties of multiferroic tunnel junctions
... of spin- dependent tunnelling and thus TMR can be obtained between opposite ferroelectric polarisation states due to the polarisation dependent screening effects 30 and hybridisation 10,13 at the ...
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Electronic transport through EuO spin filter tunnel junctions
... a spin-filter effect, and thus very large TMR ratios, is that of using a ferromagnetic insulator as a spacer between the metallic ...two spin species for thick-enough junctions. The tunnel ...
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Exchange biased magnetic tunnel junctions with antiferromagnetic epsilon Mn3Ga
... x¼ 0.08 to 730 K for x ¼ 0.25. 12,13 The magnetic structure of the disordered c phase determined by neutron diffraction shows two possible arrangement of spins; a collinear spin state with moments aligned with an ...
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Interaction of Twin Circular Shallow Tunnels in Soils—Parametric Study
... the tunnel lining or excessive ground surface settlement may take ...new tunnel caused an in- crease in the lining deformation of the old one in the range of ...new tunnel leads to an increase in the ...
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Femtosecond Spin Current Pulses Generated by the Nonthermal Spin Dependent Seebeck Effect and Interacting with Ferromagnets in Spin Valves
... A much broader nonthermal fðEÞ is formed by 1.5 eV laser excitation of Fe [shaded areas in Fig. 1(a)] [14]. High optical reflectance ensures the absence of excited carriers in Au providing much larger Δf than in the ...
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DESIGN AND ANALYSIS OF HIGH EFFICIENCY MULTI-JUNCTION SOLAR CELLS WITH TUNNEL JUNCTIONS
... Multi-junction solar cells (MJSC) are the future of renewable energy production. MJSC have rapidly gone laboratory cells, to large-area, high-efficiency manufacturing cells. The introduction of wide-bandgap tunnel ...
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Polarization curling and flux closures in multiferroic tunnel junctions
... We expect both the electrodes and their interfaces with the ferroelectric to play a critical role in formation of the domain structure. An electrode’s ability to screen the depolarization field produced by bound charges ...
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Annealing of CoFeB/MgO based single and double barrier magnetic tunnel junctions: Tunnel magnetoresistance, bias dependence, and output voltage
... trodes, spin accumulation effects, or magnon excitation at the metal/barrier ...two tunnel junctions connected in ...two junctions and the bias on each is ...
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Analysis of Three-Dimensional Magnetic Domain Wall Racetrack Memory
... magneto-resistive tunnel junctions that detect the tunnelling resistance across a ferromagnetic region, (2) writing elements such as nearby wires that produce a localoersted field or spin-torque ...
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Road and Tunnel Extraction from SPOT Satellite Images Using Neural Networks
... pixel. Tunnel location is detected using digital elevation ...information. Junctions of roads and mountains have high potential for the locating the ...study, Junctions of roads and mountains are ...
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Search for alternative magnetic tunnel junctions based on all Heusler stacks
... large tunnel magneto-resistance (TMR) have undoubtedly revolutionized the electronics in- dustry and now form the central component of many tech- nologies, the most successful device being the read heads in ...
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Resonant tunnelling in Dy or Gd doped Al2O3 magnetic tunnel junctions
... enhancement of the magneto-resistance due to resonant tunnelling in the presence of paramagnetic impurities is not borne out. However, even a full monolayer of Dy or Gd has no detrimental effect on the junction magneto- ...
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