599 citations
- Commissariat à l'Énergie Atomique et aux Énergies AlternativesFR61 papers
- CEA Paris-SaclayFR57 papers
- Centre National de la Recherche ScientifiqueFR50 papers
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- Max Planck Institute for Solid State ResearchDE8 papers
- Laboratoire de physique des SolidesFR7 papers
- Rutherford Appleton LaboratoryGB7 papers
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- Paul Scherrer InstituteCH5 papers
15 papers · 1 filter
Diagonal and Collinear Incommensurate Spin Structures in underdoped LaBaCuO
S. R. Dunsiger, Y. Zhao, B. D. Gaulin +7
We have studied incommensurate spin ordering in single crystal underdoped La_{2-x}Ba_{x}CuO_{4} with x~0.08, 0.05 and 0.025 using neutron scattering techniques. Static incommensura…
Magnetic nanowires as permanent magnet materials
T. Maurer, F. Ott, G. Chaboussant +3
We present the fabrication of metallic magnetic nanowires using a low temperature chemical process. We show that pressed powders and magnetically oriented samples exhibit a very hi…
A double supermirror monochromator for neutron instrumentation at LLB
Sylvain Desert, Vincent Thevenot, Andre Gabriel +3
The design and characteristics of a double supermirror monochromator for neutron instrumentation at the Laboratoire Leon Brillouin is described. The aim of this monochromator is to…
Structural anomalies, spin transitions and charge disproportionation in LnCoO3
K. Knizek, Z. Jirak, J. Hejtmanek +2
The diamagnetic-paramagnetic and insulator-metal transitions in LnCoO3 perovskites (Ln = La, Y, rare earths) are reinterpreted and modeled as a two-level excitation process. In dis…
Absence of Wavepacket Diffusion in Disordered Nonlinear Systems
G. Kopidakis, S. Komineas, S. Flach +1
We study the spreading of an initially localized wavepacket in two nonlinear chains (discrete nonlinear Schroedinger and quartic Klein-Gordon) with disorder. Previous studies sugge…
Mechanisms of exchange bias with multiferroic BiFeO3 epitaxial thin films
H. Bea, M. Bibes, F. Ott +7
We have combined neutron scattering and piezoresponse force microscopy to study the relation between the exchange bias observed in CoFeB/BiFeO3 heterostructures and the multiferroi…