Publications related to Spin–orbit interaction

Magnetic nano-fluctuations in a frustrated magnet

Henrik Moodysson Rønnow, Ivica Zivkovic, Joël Mesot, Martin Mansson, Krunoslav Prsa

Frustrated systems exhibit remarkable properties due to the high degeneracy of their ground states. Stabilised by competing interactions, a rich diversity of typically nanometre-sized phase structures appear in polymer and colloidal systems, while the surf ...

2014

The electronic structure of the high-symmetry perovskite iridate Ba2IrO4

Henrik Moodysson Rønnow, Marco Grioni, Johan Juul Chang, Luca Moreschini, Simon Karl Moser, Bastien Dalla Piazza

We report angle-resolved photoemission (ARPES) measurements, density functional and model tight-binding calculations on Ba2IrO4 (Ba-214), an antiferromagnetic (T-N = 230 K) insulator. Ba-214 does not exhibit the rotational distortion of the IrO6 octahedra ...

Institute of Physics (IoP) and Deutsche Physikalische Gesellschaft2014

Probing Absolute Spin Polarization at the Nanoscale

Klaus Kern, Markus Etzkorn, Matthias Alexander Eltschka, Maximilian Assig

Probing absolute values of spin polarization at the nanoscale offers insight into the fundamental mechanisms of spin-dependent transport. Employing the Zeeman splitting in superconducting tips (Meservey-Tedrow-Fulde effect), we introduce a novel spin-polar ...

Amer Chemical Soc2014

Reaching the magnetic anisotropy limit of a 3d metal atom

Harald Brune, Stefano Rusponi, Jan Gui-Hyon Dreiser, Pietro Gambardella, Fabio Donati, Luca Gragnaniello

Designing systems with large magnetic anisotropy is critical to realize nanoscopic magnets. Thus far, the magnetic anisotropy energy per atom in single-molecule magnets and ferromagnetic films remains typically one to two orders of magnitude below the theo ...

Amer Assoc Advancement Science2014

Exact Ground States of Frustrated Spin-1 Ising-Heisenberg and Heisenberg Ladders in a Magnetic Field

Frédéric Mila, Frédéric Alexis Michaud

Ground states of the frustrated spin-1 Ising-Heisenberg two-leg ladder with Heisenberg intra-rung coupling and only Ising interaction along legs and diagonals are rigorously found by taking advantage of local conservation of the total spin on each rung. Th ...

Polish Acad Sciences Inst Physics2014

Assigning the EPR Fine Structure Parameters of the Mn(II) Centers in Bacillus subtilis Oxalate Decarboxylase by Site-Directed Mutagenesis and DFT/MM Calculations

Ursula Röthlisberger, Pablo Campomanes Ramos

Oxalate decarboxylase (OxDC) catalyzes the Mn-dependent conversion of the oxalate monoanion into CO2 and formate. EPR-based strategies for investigating the catalytic mechanism of decarboxylation are complicated by the difficulty of assigning the signals a ...

2014

Quantum and thermal ionic motion, oxygen isotope effect, and superexchange distribution in La2CuO4

Henrik Moodysson Rønnow, Sandrine Gerber, Bruce Normand, Bastien Dalla Piazza, Vera Irina Schnells, Kazimierz Conder

We study the zero-point and thermal ionic motion in La2CuO4 by means of high-resolution neutron-diffraction experiments. Our results demonstrate anisotropic motion of O and, to a lesser extent, Cu ions, both consistent with the structure of coupled CuO6 oc ...

2014

Cation-Induced Band-Gap Tuning in Organohalide Perovskites: Interplay of Spin-Orbit Coupling and Octahedra Tilting

Michael Graetzel, Mohammad Khaja Nazeeruddin, Filippo de Angelis, Paolo Umari

Organohalide lead perovskites have revolutionized the scenario of emerging photovoltaic technologies. The prototype MAPbI(3) perovskite (MA = CH3NH3+) has dominated the field, despite only harvesting photons above 750 nm (similar to 1.6 eV). Intensive rese ...

American Chemical Society2014

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Spin–orbit interaction

Magnetic nano-fluctuations in a frustrated magnet

The electronic structure of the high-symmetry perovskite iridate Ba2IrO4

Probing Absolute Spin Polarization at the Nanoscale

Reaching the magnetic anisotropy limit of a 3d metal atom

Control and coherence of Loss-DiVincenzo qubits in Si/SiGe quantum dots

Exact Ground States of Frustrated Spin-1 Ising-Heisenberg and Heisenberg Ladders in a Magnetic Field

Assigning the EPR Fine Structure Parameters of the Mn(II) Centers in Bacillus subtilis Oxalate Decarboxylase by Site-Directed Mutagenesis and DFT/MM Calculations

Large-Amplitude Spin Dynamics Driven by a THz Pulse in Resonance with an Electromagnon

Quantum and thermal ionic motion, oxygen isotope effect, and superexchange distribution in La2CuO4

Cation-Induced Band-Gap Tuning in Organohalide Perovskites: Interplay of Spin-Orbit Coupling and Octahedra Tilting

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Large-Amplitude Spin Dynamics Driven by a THz Pulse in Resonance with an Electromagnon

Exact Ground States of Frustrated Spin-1 Ising-Heisenberg and Heisenberg Ladders in a Magnetic Field

Control and coherence of Loss-DiVincenzo qubits in Si/SiGe quantum dots

Quantum and thermal ionic motion, oxygen isotope effect, and superexchange distribution in La2CuO4

Magnetic nano-fluctuations in a frustrated magnet

Probing Absolute Spin Polarization at the Nanoscale

Reaching the magnetic anisotropy limit of a 3d metal atom

The electronic structure of the high-symmetry perovskite iridate Ba2IrO4

Assigning the EPR Fine Structure Parameters of the Mn(II) Centers in Bacillus subtilis Oxalate Decarboxylase by Site-Directed Mutagenesis and DFT/MM Calculations

Cation-Induced Band-Gap Tuning in Organohalide Perovskites: Interplay of Spin-Orbit Coupling and Octahedra Tilting