English
Related papers

Related papers: Experimental Evidence for Electron Channelling in …

200 papers

We consider mechanism of exchange coupling based on interaction between electrons in nonmagnetic layer. Depending on ratio of inverse time of diffusion of electrons between ferromagnetic layers and ferromagnetic splitting of conducting…

Mesoscale and Nanoscale Physics · Physics 2009-09-29 Zyuzin A. Yu

The epitaxial growth of {111} oriented Au on MoS$_2$ is well documented despite the large lattice mismatch (~8% biaxial strain), and the fact that a Au {001} orientation results in much less elastic strain. An analysis based on density…

Materials Science · Physics 2016-03-23 Yuzhi Zhou , Daisuke Kiriya , Eugene E. Haller , Joel W. Ager , Ali Javey , Daryl C. Chrzan

The magnetization distribution, its energetic characterization by the interlayer coupling constants and lattice dynamics of (001)-oriented Fe/Pt multilayers are investigated using density functional theory combined with the direct method to…

Materials Science · Physics 2016-08-14 Paweł T. Jochym , Krzysztof Parlinski , Andrzej M. Oleś

We theoretically study the electron transport properties in a ferromagnetic/normal/ferromagnetic tunnel junction, which is deposited on the top of a topological surface. The conductance at the parallel (\textbf{P}) configuration can be much…

Mesoscale and Nanoscale Physics · Physics 2013-05-03 Jian-Hui Yuan , Yan Zhang , Jian-Jun Zhang , Ze Cheng

We demonstrate spin polarized tunneling from Fe through a SiO2 tunnel barrier into a Si n-i-p heterostructure. Transport measurements indicate that single step tunneling is the dominant transport mechanism. The circular polarization, Pcirc,…

Materials Science · Physics 2015-05-14 C. H. Li , G. Kioseoglou , O. M. J. van t Erve , P. E. Thompson , B. T. Jonker

An interacting bilayer electron system provides an extended platform to study electron-electron interaction beyond single layers. We report here experiments demonstrating that the layer densities of an asymmetric bilayer electron system…

Mesoscale and Nanoscale Physics · Physics 2017-09-13 H. Deng , Y. Liu , I. Jo , L. N. Pfeiffer , K. W. West , K. W. Baldwin , M. Shayegan

We revisit the theory of ion transport in parallel-plate channels and also discuss how the wettability of a solid and the mobility of adsorbed surface charges impact the transport of ions. It is shown that depending on the ratio of the…

Soft Condensed Matter · Physics 2021-09-29 Olga I. Vinogradova , Elena F. Silkina , Evgeny S. Asmolov

Large-area single-layer WS$_2$ is grown epitaxially on Au(111) using evaporation of W atoms in a low pressure H$_2$S atmosphere. It is characterized by means of scanning tunneling microscopy, low-energy electron diffraction and core-level…

The electrical resistivities of Fe-Co alloys owing to random alloy disorder are calculated using the Kubo-Greenwood formula. The obtained electrical esistivities agree well with experimental data quantitatively at low temperature. The…

Materials Science · Physics 2009-03-24 Yohei Kota , Tomohiro Takahashi , Hiroki Tsuchiura , Akimasa Sakuma

Surface-bound porphyrins are promising candidates for molecular switches, electronics and spintronics. Here, we studied the structural and the electronic properties of Fe-tetra-pyridil-porphyrin adsorbed on Au(111) in the monolayer regime.…

Mesoscale and Nanoscale Physics · Physics 2020-12-22 Arnulf Stein , Daniela Rolf , Christian Lotze , Constantin Czekelius , Katharina J. Franke , Petra Tegeder

Growth, electronic and magnetic properties of $\gamma'$-Fe$_{4}$N atomic layers on Cu(001) are studied by scanning tunneling microscopy/spectroscopy and x-ray absorption spectroscopy/magnetic circular dichroism. A continuous film of ordered…

Materials Science · Physics 2017-06-21 Y. Takahashi , T. Miyamachi , S. Nakashima , N. Kawamura , Y. Takagi , M. Uozumi , V. Antonov , T. Yokoyama , A. Ernst , F. Komori

The chemical mixing at the Fe-on-Ti and Ti-on-Fe, i.e. the bottom and top interfaces of Fe in atomically deposited layers, were studied experimentally and by molecular dynamics simulations of the layer growth. The basic structure and…

Mesoscale and Nanoscale Physics · Physics 2017-12-20 P. Süle , L. Bottyán , L. Bujdosó , Z. E. Horváth D. Kaptás A. Kovács , D. G. Merkel , A. Nakanishi , Sz. Sajti , J. Balogh

The electron transport properties of hybrid ferromagnetic|normal metal structures such as multilayers and spin valves depend on the relative orientation of the magnetization direction of the ferromagnetic elements. Whereas the contrast in…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Arne Brataas , Gerrit E. W. Bauer , Paul J. Kelly

We theoretically investigate electrical transport in a quantum Hall system hosting bulk and edge current carrying states. Spatially varying magnetic and electric confinement creates pairs of current carrying lines that drift in the same or…

Mesoscale and Nanoscale Physics · Physics 2018-09-12 Puja Mondal , Alain Nogaret , Sankalpa Ghosh

We observed unexpected resonant response in [Fe/Cr]_(10) multilayers epitaxially grown on MgO(100) substrates which exists only when both ac current and dc magnetic field are simultaneously applied. The magnitude of the resonances is…

Materials Science · Physics 2012-04-27 F. G. Aliev , V. V. Pryadun , E. Snoeck

This work presents conclusive observations about the long lasting topic of eumelanins' electronic vs. ionic conduction, allowing to access unprecedented conductivity of this mammal pigment. Key strengths of the study include, the easy…

We report the first experimental observation of subgap transport in ferromagnetic insulator/superconductor/insulator/superconductor junctions realized in EuS/Al/AlOx/Al vertical stacks. Differential conductance measurements reveal multiple…

By taking into account the full four band energy spectrum, we calculate the transmission probability and conductance of electrons across symmetric and asymmetric double potential barrier with a confined interlayer potential difference in…

Mesoscale and Nanoscale Physics · Physics 2014-01-22 Hasan A. Alshehab , Hocine Bahlouli , Abderrahim El Mouhafid , Ahmed Jellal

The quasi-two-dimensional nature of the charge carriers energy spectrum in layered conductors leads to specific effects in an external magnetic field. The magnetoresistance of layered conductors in a wide range of strong magnetic fields…

Statistical Mechanics · Physics 2010-06-09 O. V. Kirichenko , Yu. A. Kolesnichenko , V. G. Peschansky

Ab initio and model calculations demonstrate that the spin motion of electrons transmitted through ferromagnetic films can be analyzed in detail by means of angle- and spin-resolved core-level photoelectron spectroscopy. The spin motion…

Condensed Matter · Physics 2013-05-29 J. Henk , P. Bose , Th. Michael , P. Bruno