Publications related to Coordination dependent magnetic properties of 3d and 4d metal nano-structures

Quantum dynamics and entanglement of spins on a square lattice

Henrik Moodysson Rønnow, Mechthild Enderle

Bulk magnetism in solids is fundamentally quantum mechanical in nature. Yet in many situations, including our everyday encounters with magnetic materials, quantum effects are masked, and it often suffices to think of magnetism in terms of the interaction b ...

NATL ACAD SCIENCES2007

Systematic Investigation of a New Family of Transition-Metal Phosphates Exhibiting Field-Dependent Magnetization Steps

Wendy Lee Queen, Lei Wang

We recently reported a low-dimensional compd., RbNa3Fe7(PO4)6, that contains electronically confined magnetic nanostructures (Angew.Chem. Int. Ed. 2007, 46, 5344-5347). The field dependent magnetization plot of RbNa3Fe7(PO4)3 shows stepped variations at in ...

American Chemical Society2007

Spin and orbital magnetic response in metals: Susceptibility and NMR shifts

Nicola Marzari

A DFT-based method is presented which allows the computation of all-electron NMR shifts of metallic compounds with periodic boundary conditions. NMR shifts in metals measure two competing physical phenomena. Electrons interact with the applied magnetic fie ...

2007

BCCFe surface and cluster magnetism using a magnetic potential

Helena Van Swygenhoven

A semi-empirical potential for ferromagnetic bcc iron that also models the co-linear magnetic moment of each atom, has been applied to clusters and surfaces. Surface energies of low index facets, surface relaxation and magnetic moment are calculated and co ...

2007

Gadolinium(III) ion in liquid water: structure, dynamics and magnetic interactions from first principles

Lothar Helm, Oleg Yazyev

We applied first principles molecular dynamics (MD) technique to study structure, dynamics, and magnetic interactions of the

Gd^{3+}

aqua ion dissolved in liquid water, a prototypical system for Gd-based complexes used as contrast agents for magnetic res ...

2007

Magnetic bead retention apparatus and method

Martinus Gijs, Frédéric Lacharme

An apparatus for retaining magnetic particles in self-assembled magnetic particle structures in a liquid flow, comprises a micro-channel (5) and magnets (1,2) for generating a substantially static magnetic field across the micro-channel (5) such that magne ...

2007

Static impurities in the S=3/2 kagome lattice: Exact diagonalization calculations on small clusters

Frédéric Mila, Bruce Normand

We consider the effects of doping the S=3/2 kagome lattice with static, nonmagnetic impurities. By exact-diagonalization calculations on small clusters, we deduce the local spin correlations and magnetization distribution around a vacancy. As in the S=1/2 ...

2007

Spin-dependent transport in cluster-assembled nanostructures: influence of cluster size and matrix material

Jean-Philippe Ansermet, Santiago Serrano Guisan, Giulia Di Domenicantonio

Spin-dependent transport in granular metallic nanostructures has been investigated by means of a thermoelectric measurement. Cobalt clusters of well-defined size ( = 15 and 600), embedded in copper and silver matrices, show magnetic field responses of u ...

2007

Investigation and modification of the magnetism of epitaxial Fe structures

Diego Repetto

In this thesis, the magnetic and structural properties of layered epitaxial film systems and clusters are presented. A main achievement is the investigation of the direct correlation between magnetism and structural or morphological details of ultrathin fi ...

EPFL2006

Magnetism of Fe clusters and islands on Pt surfaces

Klaus Kern, Harald Brune, Stefano Rusponi

Clusters and islands of Fe atoms have been prepared by noble gas buffer layer assisted growth as well as by standard molecular beam epitaxy on Pt substrates. Xe buffer layers have been utilized to promote the formation of compact, relaxed Fe clusters with ...

2006

Coordination dependent magnetic properties of 3d and 4d metal nano-structures

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Quantum dynamics and entanglement of spins on a square lattice

Systematic Investigation of a New Family of Transition-Metal Phosphates Exhibiting Field-Dependent Magnetization Steps

Spin and orbital magnetic response in metals: Susceptibility and NMR shifts

BCCFe surface and cluster magnetism using a magnetic potential

Gadolinium(III) ion in liquid water: structure, dynamics and magnetic interactions from first principles

Magnetic bead retention apparatus and method

Static impurities in the S=3/2 kagome lattice: Exact diagonalization calculations on small clusters

Spin-dependent transport in cluster-assembled nanostructures: influence of cluster size and matrix material

Investigation and modification of the magnetism of epitaxial Fe structures

Magnetism of Fe clusters and islands on Pt surfaces

Systematic Investigation of a New Family of Transition-Metal Phosphates Exhibiting Field-Dependent Magnetization Steps

BCCFe surface and cluster magnetism using a magnetic potential

Quantum dynamics and entanglement of spins on a square lattice

Magnetic bead retention apparatus and method

Spin and orbital magnetic response in metals: Susceptibility and NMR shifts

Static impurities in the S=3/2 kagome lattice: Exact diagonalization calculations on small clusters

Spin-dependent transport in cluster-assembled nanostructures: influence of cluster size and matrix material

Gadolinium(III) ion in liquid water: structure, dynamics and magnetic interactions from first principles

Investigation and modification of the magnetism of epitaxial Fe structures

Magnetism of Fe clusters and islands on Pt surfaces