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The induced magnetic moments in the V 3d electronic states of interface atomic layers in a Fe(6ML)/V(7ML) superlattice was investigated by x-ray resonant magnetic scattering. The first V atomic layer next to Fe was found to be strongly…

Materials Science · Physics 2016-09-13 Martin Magnuson

Results of ab initio calculations using the relativistic Local Spin Density theory are presented for the magnetic moments of periodic 5d and 4d transition metal interfaces with bcc Fe(001). In this systematic study we calculated the…

Materials Science · Physics 2009-11-10 R. Tyer , G. van der Laan , W. M. Temmerman , Z. Szotek , H. Ebert

To develop new devices based on synthetic ferrimagnetic heterostructures, understanding the material's physical properties is pivotal. Here, the induced magnetic moment (IMM), magnetic exchange coupling, and spin textures are investigated…

The investigation of the properties of metal-semiconductor interfaces has gained significant attention due to the unique features that emerge from the combination of both metal and semiconductor attributes. In this report, the magnetic…

The electric-field control of $d$-electron magnetism in multiferroic transition metal oxides is attracting widespread interest for the underlying fundamental physics and for next generation spintronic devices. Here, we report an extensive…

Materials Science · Physics 2021-05-26 D. Preziosi , S. Homkar , C. Lefevre , M. Salluzzo , N. Viart

Using density functional theory calculations, we have found an enhanced magneto-optical Kerr effect in Fe/insulator interfaces. The results of our study indicate that interfacial Fe atoms in the Fe films have a low-dimensional nature, which…

Materials Science · Physics 2017-12-20 Bo Gu , Saburo Takahashi , Sadamichi Maekawa

We report a magnetic x-ray scattering study of the field-induced multiferroic GdFe3(BO3)4. Resonant x-ray magnetic scattering at the Gd LII,III edges indicates that the Gd moments order at TN ~ 37 K. The magnetic structure is incommensurate…

Strongly Correlated Electrons · Physics 2009-11-13 Haiding Mo , Christie S. Nelson , Leonard N. Bezmaternykh , V. T. Temerov

Magnetic properties of the two-dimensional spin-polarized Fermi gas with dipole-dipole interaction are studied in the presence of external magnetic field at zero temperature. Within perturbation theory and the second quantization formalism,…

Mesoscale and Nanoscale Physics · Physics 2018-12-10 G. H. Bordbar , F. Pouresmaeeli , A. Poostforush

The first direct evidence of an induced spin moment in Gd(62.4)Y(37.6) is presented. This additional moment, of 0.16 +/- 0.03 Bohr magnetons, arises from polarisation of Y electrons in the alloy. The moment was detected in a Compton…

Condensed Matter · Physics 2007-05-23 J. A. Duffy , S. B. Dugdale , J. E. McCarthy , M. A. Alam , M. J. Cooper , S. B. Palmer , T. Jarlborg

We report on the spin-polarized electron injection through an Fe(100)/InAs(100) junction. The circularly polarized electroluminescence of injected electrons from epitaxially grown Fe thin film into InAs(100) in an external magnetic field is…

We investigate the effect of external pressure on the Fe magnetic moment in undoped LaOFeAs within the framework of density functional theory and show that this system is close to a magnetic instability: The Fe moment is found to drop by…

Superconductivity · Physics 2009-01-22 I. Opahle , H. C. Kandpal , Y. Zhang , C. Gros , R. Valenti

The magnetic correlations at the superconductor/ferromagnet (S/F) interfaces play a crucial role in realizing dissipation-less spin-based logic and memory technologies, such as triplet-supercurrent spin-valves and "{\pi}" Josephson…

A consistent picture on the mean-field level of the magnetic properties and electronic structure of the superconducting itinerant ferromagnet UGe$_2$ is shown to require inclusion of correlation effects beyond the local density…

Superconductivity · Physics 2009-10-31 A. B. Shick , W. E. Pickett

We investigate the structure, chemical bonding, electronic properties, and magnetic behavior of a three-dimensional graphitic network in aba and aaa stacking with intercalated transition metal atoms (Mn, Fe, Co, Ni, and Cu). Using density…

Mesoscale and Nanoscale Physics · Physics 2012-07-03 T. P. Kaloni , M. Upadhyay Kahaly , U. Schwingenschlögl

Spin electronic structure of graphene pi-states and Pt 5d-states for the Graphene/Pt interface has been investigated. Here, we report a large induced spin-orbit splitting (~70-100 meV) of graphene pi-states with formation of non-degenerated…

Mesoscale and Nanoscale Physics · Physics 2013-12-30 A. M. Shikin , A. A. Rybkina , A. G. Rybkin , I. I. Klimovskikh , P. N. Skirdkov , K. A. Zvezdin , A. K. Zvezdin

We demonstrate a novel method for the excitation of sizable magneto-optical effects in Au by means of the laser-induced injection of hot spin-polarized electrons in Au/Fe/MgO(001) heterostructures. It is based on the energy- and…

Mesoscale and Nanoscale Physics · Physics 2019-02-20 A. Alekhin , I. Razdolski , M. Berritta , D. Bürstel , V. Temnov , D. Diesing , U. Bovensiepen , G. Woltersdorf , P. M. Oppeneer , A. Melnikov

We combine density functional theory, x-ray magnetic circular dichroism, multiplet calculations, and scanning tunneling spectroscopy to assess the magnetic properties of Fe atoms adsorbed on a thin layer of MgO(100) on Ag(100). Despite the…

A systematic ab initio study is performed for the spin and orbital moments and for the validity of the sum rules for x-ray magnetic circular dichroism for Fe systems with various dimensionality (bulk, Pt-supported monolayers and monatomic…

Materials Science · Physics 2009-11-10 Claude Ederer , Matej Komelj , Manfred Faehnle

We investigate the electronic structure of Sr$_3$NiRhO$_6$, a quasi-one-dimensional spin chain system using \emph{ab initio} band structure calculations. Spin polarized calculations within GGA reveal that Ni and Rh have finite moments and…

Strongly Correlated Electrons · Physics 2009-11-13 S. K. Pandey , Kalobaran Maiti

When Fe, which is a typical ferromagnet using d- or f-orbital states, is combined with 2D materials such as graphene, it offers many opportunities for spintronics. The origin of 2D magnetism is from magnetic insulating behaviors, which…

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