(Fig. 1).

The work is based on the tight-binding Hamiltonian model and within the

framework of a non-equilibrium Green’s function (NEGF) technique. It is shown

that tunnel magnetoresistance (TMR) of molecular junction can be large...

typical

ferromagnetic (FM) metal with simple cubic structure as the electrode and

polyacene as the molecule. Based on Landauer Formalism, we determined the

current-voltage (I-V) characteristic of the system. In addition, the tunnel

magnetoresistance...

on the tight-binding Hamiltonian model and within the

framework of a non-equilibrium Green’s function (NEGF) technique. It is shown that tunnel

magnetoresistance (TMR) of molecular junction can be large (over 60 %) by adjusting the...

(FM)-molecule-FM junctions for the molecule to be trans-polyacetylene (t-PA). The conductance

properties of the spin system are studied for a t-PA molecule of fixed length. It is shown that tunnel

magnetoresistance (TMR) of the molecular junction can be quite...

D Mott variable range hopping (VRH) law atT< 100 K. Both positive and negative magnetoresistance (MR) were observed by increasing magneticfield. The MR data were analyzed based a theoretical model. A quadratic positive and negative MR was observed...

and magneticfield. The conductivity was well explained by 3D Mott Variable Range Hopping (VRH) law atT< 100 K. The hopping effective dimension is reduced with increasing of magnetic field. Negative magnetoresistance (MR) was observed at different magnetic field...

The nanocrystalline samples of La0.85Bi0.15MnO3 compound, prepared by mechanical activation, were studied by means of X-ray diffraction, transmission electron microscopy, resistivity and magnetoresistance measurements. The results show...