A5027477966- Magnetic properties of thin films
- Quantum and electron transport phenomena
- 2D Materials and Applications
- Advanced Sensor and Energy Harvesting Materials
- Graphene research and applications
- Topological Materials and Phenomena
- Molecular Junctions and Nanostructures
- Surface Chemistry and Catalysis
- Advanced Memory and Neural Computing
- Surface and Thin Film Phenomena
- Quantum many-body systems
- Machine Learning in Materials Science
- Advanced Chemical Physics Studies
- Chalcogenide Semiconductor Thin Films
- Perovskite Materials and Applications
- Physics of Superconductivity and Magnetism
- Additive Manufacturing Materials and Processes
- Graphene and Nanomaterials Applications
- Additive Manufacturing and 3D Printing Technologies
- Neuroscience and Neural Engineering
- Advanced Condensed Matter Physics
- High-Temperature Coating Behaviors
- High Entropy Alloys Studies
- Conducting polymers and applications
- Quantum Information and Cryptography
École Polytechnique Fédérale de Lausanne
2013-2017
Kleijnen Systematic Reviews (United Kingdom)
2016
We report on the magnetic properties of individual Fe atoms deposited MgO(100) thin films probed by x-ray circular dichroism and scanning tunneling spectroscopy. show that have strong perpendicular anisotropy with a zero-field splitting $14.0\ifmmode\pm\else\textpm\fi{}0.3\text{ }\text{ }\mathrm{meV}/\text{atom}$. This is factor 10 larger than interface epitaxial layers MgO largest value reported for adsorbed surfaces. The interplay between ligand field at O adsorption sites spin-orbit...
We report on the self-assembly of Fe adatoms a Cu(111) surface that is patterned by metal-organic honeycomb network, formed coordination dicarbonitrile pentaphenyl molecules with Cu adatoms. atoms landing metal are mobile and steered quantum confinement state electrons towards center network hexagonal cavities. In cavities hosting more than one Fe, preferential interatomic distances observed. The in each hexagon aggregate into single cluster upon gentle annealing. These clusters again...
We present the results of temperature-dependent self-assembly dicarbonitrile-pentaphenyl molecules (NC–Ph5–CN) on Cu(111). Our low-temperature scanning tunneling microscopy study reveals formation metal-organic and purely organic structures, depending substrate temperature during deposition (160–300 K), which determines availability Cu adatoms at surface. use tip functionalization with CO to obtain submolecular resolution image coordination atoms, enabling unequivocal identification...
We have studied Er(trensal) single-ion magnets adsorbed on graphene/Ru(0001), graphene/Ir(111), and bare Ru(0001) by scanning tunneling microscopy X-ray absorption spectroscopy. On graphene, the molecules self-assemble into dense well-ordered islands with their magnetic easy axes perpendicular to surface. In contrast, Ru(0001), are disordered, exhibiting only weak directional preference of magnetization axis. The perfect out-of-plane alignment graphene results from molecule-molecule...
Fe atoms adsorbed on Cu(111) have been used as an atomic-scale model system for performing spin-based logic operations and to build the smallest stable magnet. In pursuit of understanding strength adatom/substrate hybridization in this system, small clusters down single a surface were studied using X-ray Absorption Spectroscopy Magnetic Circular Dichroism experiments. The spin orbital moments well magnetic anisotropy energies extracted experimentally compared with density functional theory...
We report on low-temperature scanning tunneling microscopy and spectroscopy measurements NC-Ph3-CN molecules adsorbed at 300 K a Cu(111) surface. Upon cooling, the form chain honeycomb structures, incorporating Cu adatoms supplied by substrate as metal linkers. In these assemblies, align along two main directions, with relative abundance that depends coordination number bond length. show spectroscopic data about unoccupied molecular orbitals investigate patterns obtained depositing different...
Iron atoms adsorbed on a Cu(111) surface and buried under polyphenyl dicarbonitrile molecules exhibit strongly spatial anisotropic Kondo features with directionally dependent temperatures line shapes, as evidenced by scanning tunneling spectroscopy. First-principles calculations find nearly full polarization for the half-filled Fe 3dxz 3dyz orbitals, which therefore can give rise to screening experimentally observed directional dependence distinct temperatures. X-ray absorption spectroscopy...