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- Max Planck Institute for Mathematics in the SciencesDE139 papers
- Deutsches Elektronen-Synchrotron DESYDE122 papers
- University of RegensburgDE105 papers
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- Centre National de la Recherche ScientifiqueFR76 papers
- Humboldt-Universität zu BerlinDE72 papers
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8 papers · 2 filters
Competition between d-wave and topological p-wave superconductivity in the doped Kitaev-Heisenberg model
Timo Hyart, Anthony R. Wright, Giniyat Khaliullin +1
The competition between Kitaev and Heisenberg interactions away from half filling is studied for the the hole-doped Kitaev-Heisenberg -- model on a honeycomb lattice.…
Hydrogen-induced ferromagnetism in ZnO single crystals investigated by Magnetotransport
M. Khalid, P. Esquinazi
We investigated the electrical and magnetic properties of low-energy hydrogen-implanted ZnO single crystals with hydrogen concentrations up to 3 at.% in the first 20 nm surface lay…
Hydrogen mediated ferromagnetism in ZnO single crystals
M. Khalid, P. Esquinazi, D. Spemann +2
We investigated the magnetic properties of hydrogen plasma treated ZnO single crystals by SQUID magnetometry. In agreement with the expected hydrogen penetration depth we found fer…
Enhancement of the ferromagnetic order of graphite after sulphuric acid treatment
J. Barzola-Quiquia, W. Böhlmann, P. Esquinazi +5
We have studied the changes in the ferromagnetic behavior of graphite powder and graphite flakes after treatment with diluted sulphuric acid. We show that this kind of acid treatme…
Magnetic Properties of Pr0.7Ca0.3MnO3/SrRuO3 Superlattices
M. Ziese, I. Vrejoiu, E. Pippel +2
High-quality Pr0.7Ca0.3MnO3/SrRuO3 superlattices were fabricated by pulsed laser deposition and were investigated by high-resolution transmission electron microscopy and SQUID magn…
Orthorhombic to tetragonal transition of SrRuO3 layers in Pr0.7Ca0.3MnO3/SrRuO3 superlattices
M. Ziese, I. Vrejoiu, E. Pippel +2
High-quality Pr0.7Ca0.3MnO3/SrRuO3 superlattices with ultrathin layers were fabricated by pulsed laser deposition on SrTiO3 substrates. The superlattices were studied by atomically…