62 citations · 218 across the 11 of their papers we have counts for
11 papers
Tetragonal mixed system complemented by the tetragonal phase realisation of
Natalija van Well, Claudio Eisele, Sitaram Ramakrishnan +6
Realisation of the tetragonal phase of is possible using specific crystal growth conditions at a temperature below . This work deals with the comparison of the m…
Magnetic phase diagram of the triangular antiferromagnetic mixed system
Natalija van Well, Oksana Zaharko, Bernard Delley +4
The novel magnetic phase diagram of the mixed system is established by means of single crystal neutron diffraction in the lowest temperature region and zero ma…
Non-reciprocal magnons in non-centrosymmetric MnSi
Tobias Weber, Johannes Waizner, Gregory S. Tucker +7
Using two cold-neutron triple-axis spectrometers we have succeeded in fully mapping out the field-dependent evolution of the non-reciprocal magnon dispersion relations in all magne…
Spin excitation anisotropy in optimal-isovalent-doped superconductor BaFe2(As0.7P0.3)2
Ding Hu, Wenliang Zhang, Yuan Wei +8
We use neutron polarization analysis to study spin excitation anisotropy in the optimal-isovalent-doped superconductor BaFe2(As0.7P0.3)2 (Tc = 30 K). Different from optimally hole…
The multi-purpose three-axis spectrometer (TAS) MIRA at FRM II
R. Georgii, T. Weber, M. Skoulatos +4
The cold-neutron three-axis spectrometer MIRA is an instrument optimized for low-energy excitations. Its excellent intrinsic -resolution makes it ideal for studying incommensura…
Impurities in weakly coupled quantum spin chains SrCuO and SrCuO
Koushik Karmakar, Rabindranath Bag, Markos Skoulatos +2
We study the effect of non-magnetic Zn (spin-) and magnetic Ni (spin-) impurities on the ground state and low-lying excitations of the quasi-one-dimensional spi…
Effects of quantum impurity spins on the magnetic properties of zigzag and linear spin chains
Koushik Karmakar, Markos Skoulatos, Giacomo Prando +5
We investigated the magnetic ground state and low-energy excitations of the spin chains compounds SrCuO (zigzag chains) and SrCuO (linear chains) in the presence…
Structural and magnetic phase transitions near optimal superconductivity in BaFe(AsP)
Ding Hu, Xingye Lu, Wenliang Zhang +17
We use nuclear magnetic resonance (NMR), high-resolution x-ray and neutron scattering to study structural and magnetic phase transitions in phosphorus-doped BaFe(AsP$_x…
Jahn-Teller versus quantum effects in the spin-orbital material LuVO3
M. Skoulatos, S. Toth, B. Roessli +17
We report on combined neutron and resonant x-ray scattering results, identifying the nature of the spin-orbital ground state and magnetic excitations in LuVO3 as driven by the orbi…
Magnetic-field enhanced aniferromagnetism in non-centrosymmetric heavy-fermion superconductor CePtSi
K. Kaneko, O. Stockert, B. Fåk +4
The effect of magnetic field on the static and dynamic spin correlations in the non-centrosymmetric heavy-fermion superconductor CePtSi was investigated by neutron scattering.…
Gains from the upgrade of the cold neutron triple-axis spectrometer FLEXX at the BER-II reactor
M. D. Le, D. L. Quintero-Castro, R. Toft-Petersen +4
The upgrade of the cold neutron triple-axis spectrometer FLEXX is described. We discuss the characterisation of the gains from the new primary spectrometer, including a larger guid…