Publications (17)
Low temperature magnetization of the S=1/2 kagome antiferromagnet ZnCu_3(OH)_6Cl_2
F. Bert, S. Nakamae, F. Ladieu +5
The dc-magnetization of the unique S=1/2 kagome antiferromagnet Herbertsmithite has been measured down to 0.1K. No sign of spin freezing is observed in agreement with former muSR a…
17O NMR study of the intrinsic magnetic susceptibility and spin dynamics of the quantum kagome antiferromagnet ZnCu3(OH)6Cl2
A. Olariu, P. Mendels, F. Bert +4
We report through 17O NMR, an unambiguous local determination of the intrinsic kagome lattice spin susceptibility as well as that created around non-magnetic defects issued from na…
Ground state of the Kagome-like S=1/2 antiferromagnet, Volborthite Cu3V2O7(OH)2.2H2O
F. Bert, D. Bono, P. Mendels +4
Volborthite compound is one of the very few realizations of S=1/2 quantum spins on a highly frustrated kagome-like lattice. Low-T SQUID measurements reveal a broad magnetic transit…
Field-induced spin-density wave beyond hidden order in URu2Si2
W. Knafo, F. Duc, F. Bourdarot +9
URu2Si2 is one of the most enigmatic strongly-correlated-electron systems and offers a fertile testing ground for new concepts in condensed matter science. In spite of >30 years of…
High frequency magnetic oscillations of the organic metal -(ET)ZnBr(CHCl) in pulsed magnetic field of up to 81 T
J. Béard, J. Billette, M. Suleiman +19
De Haas-van Alphen oscillations of the organic metal -(ET)ZnBr(CHCl) are studied in pulsed magnetic fields up to 81 T. The long decay time of the pulse allo…
High-field irreversible moment reorientation in the antiferromagnet FeTe
W. Knafo, R. Viennois, G. Ballon +5
Magnetization measurements have been performed on single-crystalline FeTe in pulsed magnetic fields up to 53 T and temperatures from 4.2 to 65 K…
A Photon Regeneration Experiment for Axionlike Particle Search using X-rays
Remy Battesti, Mathilde Fouché, C. Detlefs +6
In this letter we describe our novel photon regeneration experiment for the axionlike particle search using a x-ray beam with a photon energy of 50.2 keV and 90.7 keV, two supercon…
Quantum magnetism in the paratacamite family: towards an ideal kagome lattice
P. Mendels, F. Bert, M. A. de Vries +7
We report MuSR measurements on the S=1/2 (Cu2+) paratacamite Zn_xCu_{4-x}(OH)_6Cl_2 family. Despite a Weiss temperature of -300 K, the x=1 compound is found to have no transition t…
Field-Induced Freezing of a Quantum Spin Liquid on the Kagome Lattice
M. Jeong, F. Bert, P. Mendels +4
We report 17O NMR measurements in the S=1/2 Cu2+ kagome antiferromagnet Herbertsmithite ZnCu3(OH)6Cl2 down to 45mK in magnetic fields ranging from 2T to 12T. While Herbertsmithite…
Anisotropic collapse of electronic correlations in the ferromagnet UGe under high magnetic field
K. Somesh, T. Thebault, V. Taufour +5
We present electrical-resistivity measurements on the prototypical heavy-fermion ferromagnet UGe under pulsed magnetic field up to 60~T. An anisotropic field-induced suppressio…
Possible stripe phases in the multiple magnetization plateaus in TbB derived from single-crystal neutron diffraction under pulsed high magnetic fields
N. Qureshi, F. Bourdarot, E. Ressouche +5
We present a single-crystal neutron diffraction study on the Shastry-Sutherland lattice system TbB at zero magnetic field and under pulsed high magnetic fields up to 35 T appli…
Dzyaloshinsky-Moriya Anisotropy in the Spin-1/2 Kagomé Compound ZnCu(OH)Cl
A. Zorko, S. Nellutla, J. van Tol +7
We report the determination of the Dzyaloshinsky-Moriya interaction, the dominant magnetic anisotropy term in the \kagome spin-1/2 compound {\herbert}. Based on the analysis of the…
Universal magnetic structure of the half-magnetization phase in Cr-based spinels
M. Matsuda, K. Ohoyama, S. Yoshii +9
Using an elastic neutron scattering technique under a pulsed magnetic field up to 30 T, we determined the magnetic structure in the half-magnetization plateau phase in the spinel C…
Direct observation of the high magnetic field effect on the Jahn-Teller state in TbVO4
C. Detlefs, F. Duc, Z. A. Kazei +6
We report the first direct observation of the influence of high magnetic fields on the Jahn-Teller (JT) transition in TbVO4. Contrary to spectroscopic and magnetic methods, X-ray d…
URuSi under intense magnetic fields: from hidden order to spin-density wave
W. Knafo, D. Aoki, G. W. Scheerer +6
A review of recent state-of-the-art pulsed field experiments performed on URuSi under a magnetic field applied along its easy magnetic axis is given. Resistivi…
A 31T split-pair pulsed magnet for single crystal x-ray diffraction at low temperature
F. Duc, X. Fabrèges, T. Roth +11
We have developed a pulsed magnet system with panoramic access for synchrotron x-ray diffraction in magnetic fields up to 31T and at low temperature down to 1.5 K. The apparatus co…
Field driven magnetostructural transitions in GeCoO
X. Fabrèges, E. Ressouche, F. Duc +9
In the spinel compound GeCoO, the Co pyrochlore sublattice presents remarkable magnetic field-induced behaviors that we unveil through neutron and X-ray single-cryst…