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Investigations of Nanoscale Variations in Spin and Charge Transport in Manganites and Organic Semiconductors Using Spin Polarized Scanning Tunneling Spectroscopy

Investigations of Nanoscale Variations in Spin and Charge Transport in Manganites and Organic Semiconductors Using Spin Polarized Scanning Tunneling Spectroscopy

... case spin-polarized STM tips, we can not make the assumption that the tip density of states is constant with energy, and must turn to modeling the measured conductance through simulation of the tunneling ...

123

Orbital Control of Spin-Polarized Hybridization for Spin Injection at Metal-Organic Interface.

Orbital Control of Spin-Polarized Hybridization for Spin Injection at Metal-Organic Interface.

... The cleanness of tip is quite crucial to get high resolution image, especially for SP-STM. Spin structure can only be resolved with an ultra-clean spin-polarized tip. Since the probe tip can get ...

108

Spin-polarized electron transport processes at the ferromagnet/semiconductor interface

Spin-polarized electron transport processes at the ferromagnet/semiconductor interface

... of spin- polarized transport on the Schottky barrier ...circularly polarized laser beam was then used together with an external magnetic field to investigate the spin-dependence of the ...

7

Magneto optic Kerr effect in a spin polarized zero moment ferrimagnet

Magneto optic Kerr effect in a spin polarized zero moment ferrimagnet

... We have shown that MOKE in zero-moment half metals persists, even when the net magnetic moment crosses zero, and that its origin is dominated by the highly spin-polarized conduction band associated in MRG ...

6

Spin Polarized Quasiparticle Transport in Cuprate Superconductors

Spin Polarized Quasiparticle Transport in Cuprate Superconductors

... perfect spin polarization, only quasiparticles with spins parallel to those of the majority carriers in the ferromagnet may diffuse across the interface, leaving behind spin-polarized quasi- particles ...

174

Spin polarized electric current in silicene nanoribbons induced by atomic adsorption

Spin polarized electric current in silicene nanoribbons induced by atomic adsorption

... becomes spin-dependent due to the proximity exchange interaction between the itinerant electrons and the magnetic ions of the ferro- ...generate spin-polarized currents for real- world applications ...

7

Spin polarized tunneling in hybrid magnetic tunnel junctions comprising C60

Spin polarized tunneling in hybrid magnetic tunnel junctions comprising C60

... 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 ...

71

Spin scattering and spin polarized hybrid interface states at a metal organic interface

Spin scattering and spin polarized hybrid interface states at a metal organic interface

... We now focus our discussion on the properties of the spin- polarized hybrid state detected both by STS and SP-UPS. This state originates from the interaction of CuPc molecular orbitals with band states of ...

7

Spin Polarized Transport and Spin Seebeck Effect in Triple Quantum Dots with Spin Dependent Interdot Couplings

Spin Polarized Transport and Spin Seebeck Effect in Triple Quantum Dots with Spin Dependent Interdot Couplings

... 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 ...

8

Spin polarized tunneling, magnetoresistance and interfacial effects in ferromagnetic junctions

Spin polarized tunneling, magnetoresistance and interfacial effects in ferromagnetic junctions

... of spin-polarized tunnelling by Meservey and Tedrow in the early 1970s showed that the conduction electrons in ferromagnetic ( FM ) metals are spin polarized and that the spin is ...

12

Preparation of magnetic tips for spin polarized STM on Fe1+yTe

Preparation of magnetic tips for spin polarized STM on Fe1+yTe

... in spin-polarized STM, it has also been shown to allow for characterization of mag- netism at the atomic scale in nanostructures[5, ...of spin-polarized STM to strongly correlated materials ...

6

Spin polarized localization in a magnetized chain

Spin polarized localization in a magnetized chain

... of spin-polarized transport of states with an arbitrary spin content in the presence of ...general spin state is made to pass through a linear chain of magnetic atoms, and the localization ...

12

Spin polarized transport through single molecule magnet Mn6 complexes

Spin polarized transport through single molecule magnet Mn6 complexes

... different spin states and their spin-resolved contributions are presented in ...the spin and bias-dependent transmission coefficients over the bias window (see ...two spin states: (i) the S ¼ 12 ...

7

Spin-polarized scanning tunneling microscopy with quantitative insights into magnetic probes

Spin-polarized scanning tunneling microscopy with quantitative insights into magnetic probes

... of spin-STM operation, where a tiny coil is used for periodically switching the tip magnetization back and forth, was introduced by Wulfhekel et ...a spin-polarized ...

17

Progress towards spin polarized scanning tunneling microscopy

Progress towards spin polarized scanning tunneling microscopy

... Compound Crystal structure, symmetry Lattice constants at room temperature, A Curie temperature, K The number of magnetic sublattices Magnetic moments for different sublattices, pa Mdssb[r] ...

11

Direct observation of spin polarized bulk bands in an inversion symmetric semiconductor

Direct observation of spin polarized bulk bands in an inversion symmetric semiconductor

... of spin-polarised bulk bands in an inversion symmetric ...from spin-resolved ARPES measurements (hν = 25 eV, T = 300 K) at the K point measured by the (a) out-of-plane (I ⊥ ) and (b) in-plane (I ∥ ) ...

23

Ultracold collisions in metastable helium

Ultracold collisions in metastable helium

... in spin-polarized metastable helium in the absence of an exciting laser, where the spin-dipole interaction can induce relaxation from the initial spin-polarized state to states from ...

7

Spin pumping and inelastic electron tunneling spectroscopy in topological insulators

Spin pumping and inelastic electron tunneling spectroscopy in topological insulators

... peculiar spin structure of the QSH state it becomes natural to ask ourselves whether this can be used to manipulate magnetic ...whether spin pumping at the single spin level can be achieved without ...

5

Origami based spintronics in graphene

Origami based spintronics in graphene

... of this simplified approach with the TB-based results. In fig. 3(d) we show results for M = 2 delta functions calcu- lated with the simplified approach as well as with the TB adapted for normal incidence. Quantitative ...

7

Circular polarization in n type resonant tunneling diodes with Si delta doping in the quantum well

Circular polarization in n type resonant tunneling diodes with Si delta doping in the quantum well

... In conclusion, we have found evidence of the formation of a spin-polarized 20EG and trions in the RTO. The PL intensity and circularly polarization degree of the QW emission oscillate with the applied bias ...

5

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