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Related papers: Interlayer exchange coupling in Co2FeAl0.5Si0.5/Cr…

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We have investigated the Co-doping dependence of the structural, transport, and magnetic properties of \epsilon-FeCoSi epilayers grown by molecular beam epitaxy on silicon (111) substrates. Low energy electron diffraction, atomic force…

Materials Science · Physics 2015-06-16 P. Sinha , N. A. Porter , C. H. Marrows

Cd3As2 has long been known as a high-mobility semiconductor. The recent finding of a topological semimetal state in this compound has demanded growth of epitaxial films with high crystallinity and controlled thickness. Here we report the…

Dielectric constant measurement under magnetic field is an efficient technique to study the coupling between charges and spins in insulating materials. For magnetic oxides, the geometric frustration is known to be a key ingredient to…

Materials Science · Physics 2009-11-13 Natalia Bellido , Charles Simon , Antoine Maignan

First-principles calculations have been performed in order to determine effective exchange integrals between {\it strongly} and {\it weakly} exchange-coupled Co monolayers in certain modulated periodic $CoCu_2/CoCu_n$-type superlattices…

Condensed Matter · Physics 2009-10-28 S. Krompiewski , F. Süss , U. Krey

The antisymmetric-type long-range exchange interaction between two ferromagnetic layers through a nonmagnetic layer, called antisymmetric interlayer exchange coupling (AIEC), has recently been discovered and attracted much attention. This…

Materials Science · Physics 2025-03-19 Takeshi Seki , Hiroto Masuda , Varun K. Kushwaha , Takumi Yamazaki

Interlayer coupling plays a critical role in van der Waals materials by governing lattice stability and emergent quantum phases, yet its impact on few-layer hexagonal CoTe$_2$ remains unclear. Here, using first-principles calculations, we…

Materials Science · Physics 2026-03-24 Wenping Chen , Ziyun Zhang , Feipeng Zheng

The heterointerface between topological insulators and magnetic materials provides a crucial platform for investigating exotic electronic and magnetic phases, with implications for both fundamental studies and potential applications. A key…

Co-doped BaFe2As2 (Ba-122) can be realized on both MgO and SrTiO3 bicrystal substrates with [001]-tilt grain boundary by employing Fe buffer layers. However, an additional spinel (i.e. MgAl2O4) buffer between Fe and SrTiO3 is necessary…

Superconductivity · Physics 2013-05-31 Kazumasa Iida , Silvia Haindl , Fritz Kurth , Jens Haenisch , Ludwig Schulz , Bernhard Holzapfel

$^{13}$CO molecules are intercalated under a single layer graphene film on Ru(0001) and interrogated with helium low energy ion scattering. Single scattering is used to determine the mass distribution of atomic species visible to the ion…

Mesoscale and Nanoscale Physics · Physics 2018-11-14 Tianbai Li , Jory A. Yarmoff

For a two layer system in a weak coupling BCS formalism any interlayer interaction, regardless of its sign, enhances the critical temperature. The sign has an effect upon the relative phase of the order parameter in each of the two planes…

Superconductivity · Physics 2009-10-28 C. O'Donovan , J. P. Carbotte

We demonstrate the growth of Co-doped BaFe2As2 (Ba-122) thin films on AEF2 (001) (AE: Ca, Sr, Ba) single crystal substrates using pulsed laser deposition. All films are grown epitaxially despite of a large misfit of -10.6% for BaF2…

Freestanding silicene, a monolayer of Si arranged in a honeycomb structure, has been predicted to give rise to massless Dirac fermions, akin to graphene. However, Si structures grown on a supporting substrate can show properties that…

Mesoscale and Nanoscale Physics · Physics 2015-05-25 Jiagui Feng , Sean Wagner , Pengpeng Zhang

e report measurements of long ranged supercurrents through ferromagnetic and fully spin-polarized CrO$_2$ deposited on TiO$_2$ substrates. In earlier work, we found supercurrents in films grown on sapphire but not on TiO$_2$. Here we…

Superconductivity · Physics 2015-06-03 M. S. Anwar , M. Veldhorst , A. Brinkman , J. Aarts

Rare-earth (R) nickelates (such as perovskite RNiO3, trilayer R4Ni3O10, and infinite layer RNiO2) have attracted tremendous interest very recently. However, unlike widely studied RNiO3 and RNiO2 films, the synthesis of trilayer nickelate…

Materials Science · Physics 2024-06-19 Jiachang Bi , Yujuan Pei , Ruyi Zhang , Shaoqin Peng , Xinming Wang , Jie Sun , Jiagui Feng , Jingkai Yang , Yanwei Cao

The oscillation periods of the interlayer exchange coupling are investigated when two magnetic layers are separated by a metallic superlattice of two distinct non-magnetic materials. In spite of the conventional behaviour of the coupling as…

Condensed Matter · Physics 2009-10-30 M. S. Ferreira

Most experimental studies to date of multilayer epitaxial graphene on C-face SiC have indicated that the electronic states of different layers are decoupled as a consequence of rotational stacking. We have measured the third order nonlinear…

Mesoscale and Nanoscale Physics · Physics 2013-05-30 Dong Sun , Julien Rioux , J. E. Sipe , Yang Zou , Momchil Mihnev , Claire Berger , Walt A. de Heer , Phillip N. First , Theodore B. Norris

The structure, morphology, and electrical properties of epitaxial a-axis oriented thin films of Nd(0.2)Sr(0.8)MnO(3) are reported for thicknesses 10 nm <= t <= 150 nm. Films were grown with both tensile and compressive strain on various…

Strongly Correlated Electrons · Physics 2015-05-14 K. P. Neupane , J. J. Neumeier , J. L. Cohn

Films of (111)-textured Cu, Ni, and Cu$_x$Ni$_y$ were evaluated as substrates for chemical vapor deposition of graphene. A metal thickness of 400 nm to 700 nm was sputtered onto a substrate of $\alpha-$Al$_2$O$_3$(0001) at temperatures of…

Materials Science · Physics 2013-05-23 David L. Miller , Mark W. Keller , Justin M. Shaw , Ann N. Chiaramonti , Robert R. Keller

A study of the multilayer system MgO/CoFeB(1.1nm)/Ta($t$)/CoFeB(0.8nm)/MgO is presented, where the two CoFeB layers are separated by a Ta interlayer of varying thickness $t$. The magnetization properties deduced from complementary…

Annealing of crystalline multilayers composed of two miscible elements usually causes interfacial mixing of the constituent atoms, possibly leading to the formation of binary alloys at the interfaces. Magnetron sputtered c-Ni/a-Zr…

Materials Science · Physics 2021-10-01 Debarati Bhattacharya , Vijay Karki , Surendra Singh , T. V. Chandrasekhar Rao