93 citations · 320 across the 21 of their papers we have counts for
22 papers
Expanding Neutron Capacity at the ESS through Symbiotic Instruments: SLEIPNIR & Remora
Nicolai Lindaa Amin, Mohamed Aouane, Peter Kjær Willendrup +6
The long pulse of the European Spallation Source (ESS) offers unique opportunities to host more than one neutron instrument on a single beam-port. Here, we present two symbiotic in…
Direct High-Magnetic-Field Coupling to Stripe Order in a Cuprate Superconductor
Leonardo Martinelli, Izabela Biało, Jens Oppliger +47
Superconductivity in cuprates emerges out of a complex normal state that hosts density waves, pseudogap physics, and strange metal properties. Here, we access this normal state by…
Characterization of the BIFROST spectrometer through virtual experiments
Kristine M. L. Krighaar, Silas B. Schack, Nicolai L. Amin +3
Using the Monte Carlo ray tracing package McStas, we illustrate the possibilities of creating virtual experiments of the neutron spectrometer BIFROST at the European Spallation Sou…
On the pseudo-doublet ground state of the non-Kramers compound SrTm2O4 and its frustrated antiferromagnetic interactions
D. L. Quintero Castro, A. Bhat Kademane, M. Pregelj +6
Here we present experimental evidence of the pseudo-doublet ground state of the non-Kramers compound SrTm2O4, based on specific heat, magnetic entropy and electron paramagnetic res…
Tuning magnetoelectricity in a mixed-anisotropy antiferromagnet
Ellen Fogh, Bastian Klemke, Manfred Reehuis +20
Control of magnetization and electric polarization is attractive in relation to tailoring materials for data storage and devices such as sensors or antennae. In magnetoelectric mat…
Li-ion diffusion in single crystal LiFePO measured by muon spin spectroscopy
Ola Kenji Forslund, Rasmus Toft-Petersen, David Vaknin +6
Muon spin spectroscopy (SR) is now an established method to measure atomic scale diffusion coefficients of ions in oxides. This is achieved via the ion hopping rate, which cau…
Localized-delocalized crossover of spin-carriers and magnetization reversal in CoVO
Abhijit Bhat Kademane, Churna Bhandari, Durga Paudyal +10
Neutron diffraction, magnetization and muon spin relaxation measurements, supplemented by density functional theory (DFT) calculations are employed to unravel temperature-driven ma…
Nature of the magnetic stripes in fully oxygenated LaCuO
Ana-Elena Tutueanu, Henrik Jacobsen, Pia Jensen Ray +12
We present triple-axis neutron scattering studies of static and dynamic magnetic stripes in an optimally oxygen-doped cuprate superconductor, LaCuO, which exhibits a…
Effects of ground movements on realistic guide models for the European Spallation Source
Asla Husgard, Martin A. Olsen, Rebekka Frøystad +4
We model the effect of ground movement, based on empirical experience, on the transport properties of long neutron guides by ray-tracing simulations. Our results reproduce the larg…
A simulational study of the indirect geometry neutron spectrometer, BIFROST at the European Spallation Source, from neutron source position to detector position
M. Klausz, K. Kanaki, T. Kittelmann +5
The European Spallation Source (ESS) is intended to become the most powerful spallation neutron source in the world and the flagship of neutron science in the upcoming decades. The…
Magnetic structures and quadratic magnetoelectric effect in LiNiPO beyond 30T
Ellen Fogh, Takumi Kihara, Rasmus Toft-Petersen +11
Neutron diffraction with static and pulsed magnetic fields is used to directly probe the magnetic structures in LiNiPO up to 25T and 42T, respectively. By combining these resul…
Nature of the field-induced magnetic incommensurability in multiferroic NiTeO
J. Lass, Ch. Røhl Andersen, H. K. Leerberg +10
Using single crystal neutron scattering we show that the magnetic structure NiTeO at fields above 8.6 T along the axis changes from a commensurate collinear antiferroma…
Effects of a magnetic field on the fragile antiferromagnetism in YbBiPt
B. G. Ueland, A. Kreyssig, E. D. Mun +13
We present neutron diffraction data for the cubic-heavy-fermion YbBiPt that show broad magnetic diffraction peaks due to the fragile short-range antiferromagnetic (AFM) order persi…
Dzyaloshinskii-Moriya interaction and the magnetic ground state in magnetoelectric LiCoPO
Ellen Fogh, Oksana Zaharko, Jürg Schefer +8
Magnetic structures are investigated by means of neutron diffraction to shine a light on the intricate details that are believed to be key to understanding the magnetoelectric effe…
Unusual suppression of a spin resonance mode with magnetic field in underdoped NaFeCoAs: Evidence for orbital-selective pairing
Yu Song, Guotai Tan, Chenglin Zhang +3
We use inelastic neutron scattering to study the fate of the two spin resonance modes in underdoped superconducting NaFeCoAs () under applied magnetic fields.…
Magnetic order, hysteresis and phase coexistence in magnetoelectric LiCoPO
Ellen Fogh, Rasmus Toft-Petersen, Eric Ressouche +8
The magnetic phase diagram of magnetoelectric LiCoPO is established using neutron diffraction and magnetometry in fields up to 25.9T applied along the crystallographic -axis…
Direct observation of the Higgs amplitude mode in a two-dimensional quantum antiferromagnet near the quantum critical point
Tao Hong, Masashige Matsumoto, Yiming Qiu +12
Spontaneous symmetry-breaking quantum phase transitions play an essential role in condensed matter physics. The collective excitations in the broken-symmetry phase near the quantum…
Distinct nature of static and dynamic magnetic stripes in cuprate superconductors
H. Jacobsen, S. L. Holm, M. -E. Lacatusu +9
We present detailed neutron scattering studies of the static and dynamic stripes in an optimally doped high-temperature superconductor, LaCuO. We find that the dynamic…
Dimensional Reduction in Quantum Dipolar Antiferromagnets
P. Babkevich, M. Jeong, Y. Matsumoto +7
We report ac susceptibility, specific heat, and neutron scattering measurements on a dipolar-coupled antiferromagnet LiYbF. For the thermal transition, the order-parameter crit…
Field-induced inter-planar correlations in the high-temperature superconductor La1.88Sr0.12CuO4
A. T. Roemer, P. Jensen, H. Jacobsen +14
We present neutron scattering studies of the inter-planar correlations in the high-temperature superconductor La1.88Sr0.12CuO4 (T_c=27 K). The correlations are studied both in a ma…
Direct proof of unique magnetic and superconducting phases in superoxygenated high-Tc cuprates
L. Udby, J. Larsen, N. B. Christensen +9
We present a combined magnetic neutron scattering and muon spin rotation study of the nature of the magnetic and superconducting phases in electronically phase separated La(2-x)Sr(…
Quantum spin liquid in frustrated one dimensional LiCuSbO4
S. E. Dutton, M. Kumar, M. Mourigal +8
A quantum magnet, LiCuSbO4, with chains of edge-sharing S = 1/2 CuO6 octahedra is reported. While the Curie-Weiss constant is ferromagnetic, θ= 30 K, no phase transition or spin fr…