Universal magnetic structure of the half-magnetization phase in Cr-based spinels (2009)
Matsuda, M., Ohoyama, K., Yoshii, S., Nojiri, H., Frings, P., Duc, F., ...
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 CdCr$_2$O$_4$. The...
Zorko, A., Nellutla, S., Van Tol, J., Brunel, L. C., Bert, F., Duc, F., ...
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 high-temperature...
Direct observation of the high magnetic field effect on the Jahn-Teller state in TbVO4 (2008)
Duc, F, Kazei, Z. A, Frings, P, Bras, W, ...
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 diffraction directly...
Direct observation of the high magnetic field effect on the Jahn-Teller state in TbVO4 (2007)
Detlefs, C., Duc, F., Kazei, Z. A., Vanacken, J., Frings, P., Bras, W., ...
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 diffraction directly...
Olariu, A., Mendels, P., Bert, F., Duc, F., Trombe, J. C., De Vries, M. A., ...
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 natural Zn/ Cu...
Low temperature magnetization of the S=1/2 kagome antiferromagnet ZnCu_3(OH)_6Cl_2 (2007)
Bert, F., Nakamae, S., Ladieu, F., L'Hôte, D., Bonville, P., Duc, F., ...
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 and...
Quantum Magnetism in the Paratacamite Family: Towards an Ideal Kagome Lattice (2007)
Mendels, P, Bert, F, De Vries, MA, Olariu, A, Harrison, A, Duc, F, ...
We report muon spin rotation measurements on the S=1/2 (Cu2+) paratacamite ZnxCu4-x(OH)6Cl2 family. Despite a Weiss temperature of ~ -300 K, the x = 1 compound is found to have no transition to a...
Spin dynamics in frustrated magnets: from edge- to corner-sharing geometries (2007)
Mendels, P, Olariu, A, Bert, F, Bono, D, Limot, L, Collin, G, ...
Quantum magnetism in the paratacamite family: towards an ideal kagome lattice (2006)
Mendels, P., Bert, F., De Vries, M. A., Olariu, A., Harrison, A., Duc, F., ...
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 to a magnetic frozen...
Synchrotron x-ray powder diffraction studies in pulsed magnetic fields (2006)
Frings, P, Detlefs, C, Duc, F, Lorenzo, JE, Nardone, M, ...
X-ray powder diffraction experiments under pulsed magnetic fields were carried out at the DUBBLE beamline (BM26B) at the ESRF. A mobile generator delivered 110 kJ to the magnet coil, which was...
Dynamics in pure and substituted volborthite kagome-like compounds (2006)
Bert, F, Mendels, P, Bono, D, Olariu, A, Ladieu, F, Trombe, JC, ...
Ground state of the Kagome-like S=1/2 antiferromagnet, Volborthite Cu3V2O7(OH)2.2H2O (2005)
Bert, F., Bono, D., Mendels, P., Ladieu, F., Duc, F., ...
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 transition below 2K which...
Magnetic order and lattice anomalies in the J1-J2 model system VOMoO4 (2005)
Bombardi, A, Chapon, L C, Margiolaki, I, Mazzoli, C, Gonthier, S, Duc, F, ...
High-resolution x-ray and neutron powder-diffraction measurements were performed on polycrystalline VOMoO4. Below .40 K the system orders in a simple Néel antiferromagnetic state spropagation vector...
Temperature Dependent Local Instability of the Hg1212 Structure by Polarized EXAFS (1997)
Saini, N., Brunelli, M., Lanzara, A., Lusignoli, M., Rossetti, T., Bianconi, A., ...
The local structure of the (Hg1212) crystal has been investigated by temperature dependent polarized Cu K-edge extended x-ray absorption fine structure (EXAFS). We have observed an anomalous behavior...
Temperature Dependent Local Instability of the Hg1212 Structure by Polarized EXAFS (1997)
Saini, N., Brunelli, M., Lanzara, A., Lusignoli, M., Rossetti, T., Bianconi, A., ...
The local structure of the (Hg1212) crystal has been investigated by temperature dependent polarized Cu K-edge extended x-ray absorption fine structure (EXAFS). We have observed an anomalous behavior...
Temperature Dependent Local Instability of the Hg1212 Structure by Polarized EXAFS (1997)
Saini, N., Brunelli, M., Lanzara, A., Lusignoli, M., Rossetti, T., Bianconi, A., ...
The local structure of the (Hg1212) crystal has been investigated by temperature dependent polarized Cu K-edge extended x-ray absorption fine structure (EXAFS). We have observed an anomalous behavior...