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free-radical TPV The organic compound 2,4,6-Tri-PhenylVerdazyl (TPV) is a stable free radical of fomula C 20 N 4 H 17 , built of a verdazyl ring (carrying a spin 1/2) surrounded by three phenyl groups.This ... terms of group theory. This small AF moment (1 μB is expected for a spin 1/2) can be interpreted interms of spin reduction in S = 1/2 ...

superlattice peaks Field-induced magnetic ordering in the spin dimer system Cs 3 Cr 2 Br 9 Cs 3 Cr 2 Br 9 (Cr 3+ : s = 3/2) provides an interesting example of an interacting spin-dimer system. In zero field ... S = 0 singlet ground state is separated from the first excited triplet state by an energy gap of 0.2 meV. In a magnetic field, because of ...

critical point of the heavy fermion compound CePd 2 Si 2 Pressure-induced superconductivity (T c ≈ 350 mK) occurs at the quantum critical point of CePd 2 Si 2 where the antiferromagnetic order is suppressed

flight mode) Middle: collimation part Bottom: front and rear detector moving in the vacuum tube from 1.2 m to 12.8 m after the sample position.

carry weights up to 500 kg. The entire sample table and sample environments can be placed along the 2.8 m length between the collimation and the detector tank window.

2D scattering cross section of a typical latex spheres sample in D2O measured in monochromatic mode. A typical latex spheres sample The sample is a typical latex spheres sample in D 2 O measured in both

spherical latex particles in D2O solution, measured in both monochromatic and TOF modes on D33. A typical latex spheres sample The sample is a typical latex spheres sample in D 2 O measured in both Monochromatic

ions allow neutron radiography and tomography with fields of views ranging from 4.1×4.1 mm 2 to 170×170 mm 2 . NeXT is located at the end of the H521 guide shared with MoTo , D16 and SuperADAM . Applications ... spatial resolutions down to 4 μm Wavelength selective imaging: Double crystal monochromator (2-6 Å) Velocity selector (2-20 Å) Bragg-edge ...

set of scintillators is employed, ranging from a 200 µm thick ZnS/Li6F scintillator to a 2.5 µm thick 157 Gd 2 O 2 S:Tb scintillator. ... allows for modifying the field of view, which ranges from 170x170 mm 2 at a resolution of about 100µm to a field of view of 20x20 mm 2 and a resolution of about 30 µm. A second detector is currently under

above or below the sample in a wide q-range. With an incoming beam of wavelengths comprised between 2 Å and 30 Å, and M=4 supermirrors to deflect the beam, it is possible to attain a q-range up to 0.42 ... anti-vibration table and free liquid surfaces are aligned automatically using an optical device. The 2D neutron detector allows the acquisition ...