[PDF] Top 20 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] ... See full document

... 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 ... See full document

... and spin-dependent inter- facial bonding effect at the ferroelectric/ferromagnetic metal interface into consideration, this multi-level TMR behaviour in our MFTJs can be qualitatively understood by a global ... See full document

... the spin- polarization, demonstrated by the fact that the k-resolved DOS is similar for the majority and minority ...in spin filtering and as a consequence a reduction in ... See full document

... 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 ... See full document

... or spin electronics refers to the utilization of electrons quantum property called spin in addition to charge and mass of an ...and tunnel magneto-resistance (TMR) effects in spintronics an ... See full document

... The zero-bias transmission coefficient T (E) for different d is shown in Fig. 8 [on a linear scale in Fig. 8(a) and on a logarithmic scale in Fig. 8(b)]. Due to the shift of the electronic states for different d (see ... See full document

... flux, spin-orbit interactions, asymmetry of the dot-lead couplings enable effective control of the quantum interference processes, resulting in giant spin thermopower whose magnitude can reach as high as or ... See full document

... complex wave-vector, κ, in the direction of the transport for any given transverse k . Note that κ is essentially the wave-function decay coefficient across the barrier, so that the highest transmission is ... See full document

... 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 ... See full document

... ferroelectric tunnel junctions is inferred by the increased value of the ...the spin transport properties in multiferroic tunnel junctions, despite their similar electron ... See full document

... magnetic tunnel junctions [9-11] revealed the details of TMR and GMR mechanisms in ballistic ...current. Spin-dependent transmission was calculated for different structures distinguished by ... See full document

... observed in the R-T measurement, the temperature dependent magnetization (M-T) measurements still show a clear Verwey transition (Figure S6). To verify the observed non-linear MR at low fields is due to the TMR ... See full document

... nuclear spin and thus it has no contribution to the hyperfine spin ...long spin lifetime, such as for spin-polarized transport in organic semiconductor spin-valve ... See full document

... Cu ) ® lm thickness in the range 5± 8 A Ê , a negative JMR e€ ect and an unexpected bias voltage dependence was observed, as shown in ® gure 6 ( Moodera et al. 1999 ) , Theoretical calculations by Vedyayev et al. ( 1997 ... See full document

... into a broad texture typical for a domain wall in a bulk fer- romagnetic material. For t ⬘ ⬎ t 0 , we study the evolution of the texture upon application of an external magnetic field and we construct a parametric ... See full document

... Single electron transistor consists of an island in between a source and drain, with a gate voltage exerted on the island. The so-called Single-Electron Transistor is due to its operation in single electronics regime ... See full document

... Formation of domain walls in ferroelectrics is not energetically favourable in low-dimensional systems. Instead, vortex-type structures are formed that are driven by depolarization fields occurring in such systems. ... See full document

... heavily dependent on the dissimilarity of screening lengths between electrodes and, considering this FTJ has the same material for both electrodes, it’s surprising that the performance is so ... See full document

... histograms for models Ia (Fig 7D) and IIa (Fig SI5D) contain two Gaussian peaks, while the histograms for models Ib (Fig 7B) and IIb (Fig SI5B) have the lognormal distribution that was observed in our room temperature ... See full document