Stefano Rusponi

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Related publications (60)

Unconventional Spin Relaxation Involving Localized Vibrational Modes in Ho Single-Atom Magnets

Harald Brune, Stefano Rusponi, Marina Pivetta, Christian Wäckerlin, Jan Gui-Hyon Dreiser, Pietro Gambardella, Fabio Donati, Aparajita Singha, Romana Baltic, Katharina Johanna Diller

We investigate the spin relaxation of Ho single atom magnets on MgO/Ag(100) as a function of temperature and magnetic field. We find that the spin relaxation is thermally activated at low field, while it remains larger than 1000 s up to 30 K and 8 T. This ...

AMER PHYSICAL SOC2020

Measuring the Intra-Atomic Exchange Energy in Rare-Earth Adatoms

Harald Brune, François Patthey, Stefano Rusponi, Marina Pivetta

We present the first experimental determination of the intra-atomic exchange energy between the inner 4f and the outer 6s5d shells in rare-earth elements. Inelastic electron tunneling spectroscopy on individual rare-earth atoms adsorbed on metal-supported ...

American Physical Society2020

Influence of free charge carrier density on the magnetic behavior of (Zn,Co)O thin film studied by Field Effect modulation of magnetotransport

Harald Brune, Stefano Rusponi, Anne Lehnert

The origin of (ferro)magnetic ordering in transition metal doped ZnO is a still open question. For applications it is fundamental to establish if it arises from magnetically ordered impurity clusters embedded into the semiconducting matrix or if it origina ...

Nature Research2019

Magnetic properties of on-surface synthesized single-ion molecular magnets

Harald Brune, Stefano Rusponi, Marina Pivetta, Christian Wäckerlin, Jan Gui-Hyon Dreiser, Aparajita Singha, Katharina Johanna Diller

We perform on-surface synthesis of single-ion molecular magnets on an Ag(111) surface and characterize their morphology, chemistry, and magnetism. The first molecule we synthesize is TbPc2 to enable comparison with chemically synthesized and subsequently s ...

2019

Large effect of metal substrate on magnetic anisotropy of Co on hexagonal boron nitride

Harald Brune, Stefano Rusponi, Christian Wäckerlin, Jan Gui-Hyon Dreiser, Fabio Donati, Aparajita Singha, Romana Baltic

We combine x-ray absorption spectroscopy (XAS), x-raymagnetic circular dichroism (XMCD) and x-ray magnetic linear dichroism (XMLD) data with first principles density functional theory (DFT) calculations and amultiorbital many-body Hamiltonian approach to u ...

2019

Understanding the Superior Stability of Single-Molecule Magnets on an Oxide Film

Harald Brune, Stefano Rusponi, Christian Wäckerlin, Jan Gui-Hyon Dreiser, Fabio Donati, Aparajita Singha, Romana Baltic, Katharina Johanna Diller

The stability of magnetic information stored in surface adsorbed single-molecule magnets is of critical interest for applications in nanoscale data storage or quantum computing. The present study combines X-ray magnetic circular dichroism, density function ...

2019

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Influence of free charge carrier density on the magnetic behavior of (Zn,Co)O thin film studied by Field Effect modulation of magnetotransport

Harald Brune, Stefano Rusponi, Anne Lehnert

Nature Research2019

Stefano Rusponi

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Unconventional Spin Relaxation Involving Localized Vibrational Modes in Ho Single-Atom Magnets

Measuring the Intra-Atomic Exchange Energy in Rare-Earth Adatoms

Influence of free charge carrier density on the magnetic behavior of (Zn,Co)O thin film studied by Field Effect modulation of magnetotransport

Magnetic properties of on-surface synthesized single-ion molecular magnets

Large effect of metal substrate on magnetic anisotropy of Co on hexagonal boron nitride

Understanding the Superior Stability of Single-Molecule Magnets on an Oxide Film

Study of equilibrium carrier transfer in LaAlO3/SrTiO3 from an epitaxial La1-xSrxMnO3 ferromagnetic layer

Direct capture and electrostatic repulsion in the self-assembly of rare-earth atom superlattices on graphene

Magnetic properties of single rare-earth atoms on graphene/Ir(111)

Excited Spin-State Trapping in Spin Crossover Complexes on Ferroelectric Substrates

Study of equilibrium carrier transfer in LaAlO3/SrTiO3 from an epitaxial La1-xSrxMnO3 ferromagnetic layer

Unconventional Spin Relaxation Involving Localized Vibrational Modes in Ho Single-Atom Magnets

Measuring the Intra-Atomic Exchange Energy in Rare-Earth Adatoms

Influence of free charge carrier density on the magnetic behavior of (Zn,Co)O thin film studied by Field Effect modulation of magnetotransport

Magnetic properties of on-surface synthesized single-ion molecular magnets

Direct capture and electrostatic repulsion in the self-assembly of rare-earth atom superlattices on graphene

Magnetic properties of single rare-earth atoms on graphene/Ir(111)

Excited Spin-State Trapping in Spin Crossover Complexes on Ferroelectric Substrates

Large effect of metal substrate on magnetic anisotropy of Co on hexagonal boron nitride

Understanding the Superior Stability of Single-Molecule Magnets on an Oxide Film