Recherche

surfaces. An evactuated flight tube reduces air scattering after the sample. Lastly, a detector captures 2D images of neutron reflectivity.

Example 2: Smart Nanogels at the Air/Water Interface Nanomaterials are receiving increased attention in fundamental studies and biomedical applications. Nanogels are covalently cross-linked polymers,

halo-free pencil beam of 1.5cm diameter. The neutron beam intensity at the target position is of 10 8 n.cm -2 .s -1 .

dielectric permitivity, a strong piezoelectricity. We consider here the perovskites Pb(Zn1/3Nb2/3)O3 (PZN) and Pb(Mg1/3Nb2/3)O3 (PMN) and their solid solutions with PbTiO3. They have an average ABO3 perovskite ... system has been subject to controversial discussion, but the FlatCone data provide an evidence for it. 2- Diffuse scattering due to ...

devices). In the case of the mixed valence material LuFe 2 O 4 , the order parameters are ferromagnetism and ferroelectricity. It is a member of the RFe 2 O 4 family where R are rare-earth elements. The crystal ... Multiferroic LuFe 2 O 4 Multiferroics are materials that exhibit more than one primary ferroic order parameter simultaneously (i.e. in ...

optimized to work with neutrons of incident energies in the range between 5 and 100 meV, thanks to H25 a m=2 supermirror guide. Applications Study of magnetic and structural excitation spectra on single crystals

Energy scan in the high-Tc superconducting material YBa2Cu3O6.85Black/Blue circles: scan through the antiferromagnetic zone centre at Q=(1.5,0.5,1.7)Red circles: scan at a backgr High-Tc superconducting ... ) ones. An example of such a separation is shown here for the high-Tc supoerconducting cuprate YBa 2 Cu 3 O 6.85 . The incident polarization is ...

range is 1.5K to 300K. Magnetic response of copper ions Another example is shown here for the S=1/2 spin ladder system Sr 14 Cu 24 O 41 . By measuring the SF contribution in the configuration for which

Granit - A 2nd-generation gravitational neutron spectrometer The existence of quantum states of matter in the gravitational field has been demonstrated for the very first time at the ILL by a series of

part from the rest of the neutron response. The data displayed in the figure were collected with a 2 cm 3 single crystal of La 0.7 Ca 0.3 MnO 3 using the 4T horizontal cryomagnet and a "half-polarised"