105 citations · 1.2k across the 35 of their papers we have counts for
25 papers · 1 filter
Spin and quadrupole correlations by three-spin interaction in the frustrated pyrochlore magnet TbTiO
Hiroaki Kadowaki, Mika Wakita, Björn Fåk +2
We have investigated the origin of the magnetic dipole correlations characterized by the modulation wave vector $\bolds…
Magnetic structure and low temperature properties of geometrically frustrated SrNdO
N. Qureshi, A. Wildes, C. Ritter +4
We report the low-temperature properties of SrNdO, a geometrically frustrated magnet. Magnetisation and heat capacity measurements performed on polycrystalline samples indi…
Triplet excitations in the frustrated spin ladder LiCuO(SO)
Ornella Vaccarelli, Andreas Honecker, Paola Giura +4
Magnetic excitations of the recently discovered frustrated spin-1/2 two-leg ladder system LiCuO(SO) are investigated using inelastic neutron scattering, magnetic su…
Exchange Interactions Mediated by Non-Magnetic Cations in Double Perovskites
Vamshi M. Katukuri, P. Babkevich, O. Mustonen +6
Establishing the physical mechanism governing exchange interactions is fundamental for exploring exotic phases such as the quantum spin liquids (QSLs) in real materials. In this wo…
Spin correlations of quantum-spin-liquid and quadrupole-ordered states of TbTiO
Hiroaki Kadowaki, Mika Wakita, Björn Fåk +4
Spin correlations of the frustrated pyrochlore oxide TbTiO have been investigated by using inelastic neutron scattering on single crystalline samples ($x=-0…
Vesignieite: a kagome antiferromagnet with dominant third-neighbor exchange
D. Boldrin, B. Fåk, E. Canévet +5
The spin- kagome antiferromagnet is an archetypal frustrated system predicted to host a variety of exotic magnetic states. We show using neutron scattering measurement…
Linarite - a quasi-critical J-J chain
Eron Cemal, Mechthild Enderle, Reinhard K. Kremer +5
The mineral linarite, PbCuSO(OH), is a spin 1/2 chain with frustrating nearest neighbor ferromagnetic and next-nearest neighbor antiferromagnetic exchange interactions. Our…
Magnetic excitations and electronic interactions in SrCuTeO: a spin-1/2 square lattice Heisenberg antiferromagnet
P. Babkevich, Vamshi M. Katukuri, B. Fåk +9
SrCuTeO presents an opportunity for exploring low-dimensional magnetism on a square lattice of Cu ions. We employ ab initio multi-reference configuration int…
Haydeeite: a spin-1/2 kagome ferromagnet
D. Boldrin, B. Fak, M. Enderle +5
The mineral haydeeite, alpha-MgCu3(OD)6Cl2, is a S=1/2 kagome ferromagnet that displays long-range magnetic order below TC=4.2 K with a strongly reduced moment. Our inelastic neutr…
Contrasting chemical pressure effect on the moment direction in the Kondo semiconductor CeTAl (T = Ru,Os)
D. T. Adroja, A. D. Hillier, C. Ritter +12
The opening of a spin gap in the orthorhombic compounds CeTAl (T = Ru and Os) is followed by antiferromagnetic ordering at = 27 K and 28.5 K, respectively, with a…
Spin excitations in the two-dimensional strongly coupled dimer system malachite
E. Canevet, B. Fak, R. K. Kremer +7
The mineral malachite, Cu2(OD)2CO3, has a quantum spin-liquid ground state and no long-range magnetic order down to at least T=0.4 K. Inelastic neutron scattering measurements show…
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.…
Evidence of a bond-nematic phase in LiCuVO4
M. Mourigal, M. Enderle, B. Fåk +5
Polarized and unpolarized neutron scattering experiments on the frustrated ferromagnetic spin-1/2 chain LiCuVO4 show that the phase transition at HQ of 8 Tesla is driven by quadrup…
Kapellasite: a kagome quantum spin liquid
B. Fåk, E. Kermarrec, L. Messio +11
Magnetic susceptibility, NMR, muSR, and inelastic neutron scattering measurements show that kapellasite, Cu3Zn(OH)6Cl2, a geometrically frustrated spin-1/2 kagome antiferromagnet p…
Ferroelectricity from spin supercurrents in LiCuVO4
M. Mourigal, M. Enderle, R. K. Kremer +2
We have studied the magnetic structure of the ferroelectric frustrated spin-1/2 chain material LiCuVO4 in applied electric and magnetic fields using polarized neutrons. A symmetry…
Anomalous spin distribution in the superconducting ferromagnet UCoGe studied by polarized neutron diffraction
K. Prokes, A. de Visser, Y. K. Huang +2
We report a polarized neutron diffraction study conducted to reveal the nature of the weak ferromagnetic moment in the superconducting ferromagnet UCoGe. We find that the ordered m…
Low-energy magnetic response of the noncentrosymmetric heavy-fermion superconductor CePt3Si studied via inelastic neutron scattering
B. Fak, S. Raymond, D. Braithwaite +2
The low-energy magnetic excitations of the noncentrosymmetric heavy-fermion superconductor CePt3Si have been measured with inelastic neutron scattering on a single crystal. Kondo-t…
Inelastic neutron scattering study of single crystal heavy fermion YbAgGe
B. Fak, D. F. McMorrow, P. G. Niklowitz +7
Single crystals of the heavy-fermion compound YbAgGe have been studied by neutron scattering. The magnetic ordering occurring below T1=0.5 K is characterized by a commensurate prop…
Pressure dependence of magnetism in URu2Si2
F. Bourdarot, B. Fak, V. P. Mineev +7
Neutron-scattering and specific-heat measurements of the heavy-fermion superconductor URu2Si2 under hydrostatic pressure and with Rh-doping [U(Ru{0.98}Rh{0.02})2Si2] show the exist…
Polarization analysis of the inelastic magnetic scattering in Sr2RuO4
B. Fak, S. Raymond, F. Servant +2
The spin fluctuations in the normal state of the unconventional superconductor Sr2RuO4 have been studied using inelastic neutron scattering with polarization analysis on single cry…
Spin Fluctuations and Non-Fermi-Liquid Behavior of CeNi_2Ge_2
H. Kadowaki, B. Fåk, T. Fukuhara +5
Neutron scattering shows that non-Fermi-liquid behavior of the heavy-fermion compound CeNi_2Ge_2 is brought about by the development of low-energy spin fluctuations with an energy…
Study of low-energy magnetic excitations in single-crystalline CeIn3 by inelastic neutron scattering
W. Knafo, S. Raymond, B. Fak +3
Inelastic neutron scattering experiments were performed on single crystals of the heavy-fermion compound CeIn for temperatures below and above the Néel temperature, . In…
Inflection point in the magnetic field dependence of the ordered moment of URu2Si2 observed by neutron scattering in fields up to 17 T
F. Bourdarot, B. Fak, K. Habicht +1
We have measured the magnetic field dependence of the ordered antiferromagnetic moment and the magnetic excitations in the heavy-fermion superconductor URu2Si2 for fields up to 17…
Comment on "Magnetic field effects on neutron diffraction in the antiferromagnetic phase of UPt3"
B. Fak, N. H. van Dijk, A. S. Wills
Moreno and Sauls [Phys. Rev. B 63, 024419 (2000)] have recently tried to reanalyze earlier neutron scattering studies of the antiferromagnetic order in UPt3 with a magnetic field a…