Spin dynamics in Heisenberg triangular antiferromagnets: A muSR study of LiCrO2 (2009)
Olariu, A., Mendels, P., Bert, F., Alexander, L. K., Mahajan, A. V., Hillier, A. D., ...
We report a muSR study of LiCrO2, which has a magnetic lattice made up of a stacking of triangular Heisenberg antiferromagnetic (Cr3+, S = 3/2) layers. A static magnetically ordered state is observed...
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...
Easy-Axis Kagom\'e Antiferromagnet: Local-Probe Study of Nd$_3$Ga$_5$SiO$_{14}$ (2007)
Zorko, A., Bert, F., Mendels, P., Bordet, P., Lejay, P., Robert, J.
We report a local-probe investigation of the magnetically anisotropic kagom\'e compound Nd$_3$Ga$_5$SiO$_{14}$. Our zero-field $\mu$SR results provide a direct evidence of a fluctuating collective...
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...
Unconventional Dynamics in Triangular Heisenberg Antiferromagnet NaCrO2 (2006)
Olariu, A., Mendels, P., Bert, F., Ueland, B. G., Schiffer, P., Berger, R. F., ...
We report magnetization, specific heat, muon spin rotation and Na NMR measurements on the S=3/2 rhombohedrally stacked Heisenberg antiferromagnet NaCrO2. This compound appears to be an ideal...
Bert, F., Mendels, P., Olariu, A., Blanchard, N., Collin, G., Amato, A., ...
MuSR experiments have been performed on powder sample of the "ordered spin ice" Tb$_2$Sn$_2$O$_7$ pyrochlore compound. At base temperature (T=35mK) the muon relaxation is found to be of dynamical...
Series of bulk magnetic-phase transitions in NaxCoO2: A mu SR study (2006)
Mendels, P, Bono, D, Bobroff, J, Lang, G, Collin, G, Colson, D, ...
mu SR study of frustrated S = (1)/(2) Delafossites YCuO2+delta (2006)
Olariu, A, Bono, D, Bert, F, Mendels, P, Darie, C, Bordet, P, ...
Bono, D, Mendels, P, Collin, G, Blanchard, N, Bert, F, Amato, A, ...
Dynamics in pure and substituted volborthite kagome-like compounds (2006)
Bert, F, Mendels, P, Bono, D, Olariu, A, Ladieu, F, Trombe, JC, ...
Direct evidence for a dynamical ground state in the highly frustrated Tb2Sn2O7 pyrochlore (2006)
Bert, F, Mendels, P, Olariu, A, Blanchard, N, Collin, G, Amato, A, ...
Unconventional Dynamics in Triangular Heisenberg Antiferromagnet NaCrO2 (2006)
Olariu, A, Mendels, P, Bert, F, Ueland, BG, Schiffer, P, Berger, RF, ...
Deschamps, C, Manceron, V, Laurent, F, Bert, F, ...
Nocardia cyriacigeorgica is a recently characterized species within the genus of Nocardia. We report a brain abscess, following a primary pulmonary colonization, due to this species in a human...
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...
Series of Bulk Magnetic Phase Transitions in NaxCoO2: a muSR study (2005)
Mendels, P., Bono, D., Bobroff, J., Collin, G., Colson, D., Blanchard, N., ...
Using muon spin rotation, well-defined bulk ~ 100% magnetic phases in NaxCoO2 are revealed. A novel magnetic phase is detected for x = 0.85 with the highest transition temperature ever observed for x...
Series of bulk magnetic phase transitions in NaxCoO2: a muSR study (2005)
Mendels, P, Bono, D, Bobroff, J, Collin, G, Colson, D, Blanchard, N, ...
$\mu$SR study of the quantum dynamics in the frustrated $S=3/2$ kagome bilayers (2004)
Bono, David, Mendels, P., Collin, G., Blanchard, N., Bert, F., Amato, A., ...
We present $\mu$SR experiments in the $S=3/2$ kagome bilayer compound Ba$_{2}$Sn$_{2}$ZnGa$_{10-7p}$Cr$_{7p}$O$_{22}$ (BSZCGO$(p)$) and compare it to the isostructural SrCr$_{9p}$Ga$_{12-9p}$O$_{19}$...
Aging, rejuvenation and memory phenomena in spin glasses (2004)
Dupuis, V., Bert, F., Hammann, J., Ladieu, F., Parker, D., ...
In this paper, we review several important features of the out-of-equilibrium dynamics of spin glasses. Starting with the simplest experiments, we discuss the scaling laws used to describe the...
Ladieu, F., Bert, F., Dupuis, V., Vincent, E., Hammann, J.
The magnetisation relaxations of three different types of geometrically frustrated magnetic systems have been studied with the same experimental procedures as previously used in spin glasses. The...
Oxygen doped S = 1/2 Cu delafossites: a muon spin rotation/relaxation study (2004)
Mendels, P, Bono, D, Bert, F, Garlea, O, Darie, C, Bordet, P, ...
Dilution in volborthite S = 1/2 frustrated magnet: a muSR and NMR study (2004)
Bert, F, Bono, D, Mendels, P, Trombe, J-C, Millet, P, Amato, A, ...
muSR study of the quantum dynamics in the frustrated Kagome bilayers (2004)
Bono, D, Mendels, P, Collin, G, Blanchard, N, Bert, F, Amato, A, ...
$\mu$SR study of the quantum dynamics in the frustrated $S=\frac{3}{2}$ kagomé bilayers (2004)
Bono, David, Mendels, P., Collin, G., Blanchard, N., Bert, F., Amato, A., ...
We present $\mu$SR experiments in the $S=\frac{3}{2}$ kagomé bilayer compound Ba$_{2}$Sn$_{2}$ZnGa$_{10-7p}$Cr$_{7p}$O$_{22}$ (BSZCGO$(p)$) and compare it to the isostructural...
$\mu$SR study of the quantum dynamics in the frustrated $S=\frac{3}{2}$ kagomé bilayers (2004)
Bono, David, Mendels, P., Collin, G., Blanchard, N., Bert, F., Amato, A., ...
We present $\mu$SR experiments in the $S=\frac{3}{2}$ kagomé bilayer compound Ba$_{2}$Sn$_{2}$ZnGa$_{10-7p}$Cr$_{7p}$O$_{22}$ (BSZCGO$(p)$) and compare it to the isostructural...
$\mu$SR study of the quantum dynamics in the frustrated $S=\frac{3}{2}$ kagomé bilayers (2004)
Bono, David, Mendels, P., Collin, G., Blanchard, N., Bert, F., Amato, A., ...
We present $\mu$SR experiments in the $S=\frac{3}{2}$ kagomé bilayer compound Ba$_{2}$Sn$_{2}$ZnGa$_{10-7p}$Cr$_{7p}$O$_{22}$ (BSZCGO$(p)$) and compare it to the isostructural...
$\mu$SR study of the quantum dynamics in the frustrated $S=\frac{3}{2}$ kagomé bilayers (2004)
Bono, David, Mendels, P., Collin, G., Blanchard, N., Bert, F., Amato, A., ...
We present $\mu$SR experiments in the $S=\frac{3}{2}$ kagomé bilayer compound Ba$_{2}$Sn$_{2}$ZnGa$_{10-7p}$Cr$_{7p}$O$_{22}$ (BSZCGO$(p)$) and compare it to the isostructural...
Spin Anisotropy and Slow Dynamics in Spin Glasses (2003)
Bert, F., Dupuis, V., Vincent, E., Hammann, J.
We report on an extensive study of the influence of spin anisotropy on spin glass aging dynamics. New temperature cycle experiments allow us to compare quantitatively the memory effect in four...
Phenomenes de vieillissement, rajeunissement et memoire: l'exemple des verres de spin (2002)
Dupuis, V., Vincent, E., Bert, F., Herisson, D., Hammann, J., Ocio, M.
The spin glasses are disordered and frustrated magnetic systems. They show aging phenomena which are also a characteristic feature of structural glasses, polymers, dielectrics, colloids, etc. Under a...
Tunneling states anisotropy in a single grain decagonal quasicrystal (2002)
Bert, F., Belessa, G., Grushko, B. C.
This version is available at the following Publisher URL: http://prb.aps.org
Bert, F., Lambert-Zechovsky, N., Seymour, A. C.
The resistance patterns and O-serotypes of 2952 Pseudomonas aeruginosa isolates were studied and the relationship between patterns and serotypes was investigated. The penicillinase-producing and...
Brain abscess due to Bacillus macerans following a penetrating periorbital injury.
Bert, F, Ouahes, O, Lambert-Zechovsky, N
We report a case of a brain abscess due to Bacillus macerans and Clostridium sp. following a penetrating periorbital injury by a wooden branch. Intracranial penetration by and retention of a foreign...
Septicemia caused by Streptococcus canis in a human.
We describe a case of septicemia due to Streptococcus canis in a 77-year-old man. The organism was presumably transmitted from a domestic animal. Ulcers of the lower limbs were the likely portals of...
Barnaud, G., Deschamps, C., Manceron, V., Mortier, E., Laurent, F., Bert, F., ...
Nocardia cyriacigeorgica is a recently characterized species within the genus of Nocardia. We report a brain abscess, following a primary pulmonary colonization, due to this species in a human...
Direct evidence for a dynamical ground state in the highly frustrated Tb2Sn2O7 pyrochlore
Bert, F, Mendels, P, Olariu, A, Blanchard, N, Collin, G, Amato, A, ...
Brain abscess due to Bacillus macerans following a penetrating periorbital injury.
Bert, F, Ouahes, O, Lambert-Zechovsky, N
We report a case of a brain abscess due to Bacillus macerans and Clostridium sp. following a penetrating periorbital injury by a wooden branch. Intracranial penetration by and retention of a foreign...
Septicemia caused by Streptococcus canis in a human.
We describe a case of septicemia due to Streptococcus canis in a 77-year-old man. The organism was presumably transmitted from a domestic animal. Ulcers of the lower limbs were the likely portals of...
Barnaud, G., Deschamps, C., Manceron, V., Mortier, E., Laurent, F., Bert, F., ...
Nocardia cyriacigeorgica is a recently characterized species within the genus of Nocardia. We report a brain abscess, following a primary pulmonary colonization, due to this species in a human...