743 citations
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42 papers · 1 filter
Evidence of deep water penetration in silica during stress corrosion fracture
F. Lechenault, C. L. Rountree, F. Cousin +3
We measure the thickness of the heavy water layer trapped under the stress corrosion fracture surface of silica using neutron reflectivity experiments. We show that the penetration…
Effect of nonmagnetic substituents Mg and Zn on the phase competition in the multiferroic antiferromagnet MnWO4
Lynda Meddar, Michael Josse, Philippe Deniard +8
The effects of substituting nonmagnetic Mg2+ and Zn2+ ions for the Mn2+ (S = 5/2) ions on the structural, magnetic and dielectric properties of the multiferroic frustrated antiferr…
On the relation between the microscopic structure and the sound velocity anomaly in elemental melts of groups IV, V, VI
Yaron Greenberg, Eyal Yahel, El'ad N. Caspi +3
The sound velocity of some liquid elements of groups IV, V and VI, as reported in the literature, displays anomalous features that set them apart from other liquid metals. In an ef…
Enhancing the superconducting transition temperature of BaSi2 by structural tuning
José A. Flores-Livas, Régis Debord, Silvana Botti +3
We present a joint experimental and theoretical study of the superconducting phase of the layered binary silicide BaSi2. Compared with the layered AlB2 structure of graphite or dib…
Study of the heating effect contribution to the nonlinear dielectric response of a supercooled liquid
C. Brun, C. Crauste-Thibierge, F. Ladieu +1
We present a detailed study of the heating effects in dielectric measurements carried out on a liquid. Such effects come from the dissipation of the electric power in the liquid an…
Neutron scattering study of the long-range ordered state in CeRu2Al10
Jean-Michel Mignot, Julien Robert, Gilles André +7
Elastic and inelastic neutron scattering measurements have been performed on powder and single-crystal samples of orthorhombic CeRu2Al10. The order forming below T0 = 27 K was iden…