2k citations
- Centre National de la Recherche ScientifiqueFR14 papers
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- Max Planck Institute for AstronomyDE6 papers
9 papers · 1 filter
Manipulation of the magnetic configuration of (Ga,Mn)As nanostructures
J. A. Haigh, M. Wang, A. W. Rushforth +5
We have studied the magnetic reversal of L-shaped nanostructures fabricated from (Ga,Mn)As. The strain relaxation due to the lithographic patterning results in each arm having a un…
Microscopic mechanism of the non-crystalline anisotropic magnetoresistance in (Ga,Mn)As
Karel Výborný, Jan Kucera, Jairo Sinova +3
Starting with a microscopic model based on the Kohn-Luttinger Hamiltonian and kinetic p-d exchange combined with Boltzmann formula for conductivity we identify the scattering from…
Direct Observation of Quantum Coherence in Single-Molecule Magnets
C. Schlegel, J. van Slageren, M. Manoli +2
Direct evidence of quantum coherence in a single-molecule magnet in frozen solution is reported with coherence times as long as T2 = 630 ns. We can strongly increase the coherence…
Band offset determination of the GaAs/GaAsN interface using the DFT method
Hannu-Pekka Komsa, Eero Arola, Eric Larkins +1
The GaAs/GaAsN interface band offset is calculated from first principles. The electrostatic potential at the core regions of the atoms is used to estimate the interface potential a…
Lithographically and electrically controlled strain effects on anisotropic magnetoresistance in (Ga,Mn)As
E. De Ranieri, A. W. Rushforth, K. Vyborny +8
It has been demonstrated that magnetocrystalline anisotropies in (Ga,Mn)As are sensitive to lattice strains as small as 10^-4 and that strain can be controlled by lattice parameter…
Domain walls in (Ga,Mn)As diluted magnetic semiconductor
Akira Sugawara, H. Kasai, A. Tonomura +6
We report experimental and theoretical studies of magnetic domain walls in an in-plane magnetized (Ga,Mn)As dilute moment ferromagnetic semiconductor. Our high-resolution electron…