Showing papers by "Juergen Eckert published in 1981"
TL;DR: In this article, rotational tunneling states in phases II and III of solid CH4 were studied by inelastic neutron scattering techniques at 8 K and pressures up to 850 bar.
Abstract: Rotational tunneling states in phases II and III of solid CH4 were studied by inelastic neutron scattering techniques at 8 K and pressures up to 850 bar. The tunnel energies were found to depend strongly on pressure, while the rotational peak of the disordered molecules shifts little with pressure up to the II–III phase transition. In phase III, additional intensity was found at about 0.18 meV, which we interpret as tunneling states for those molecules that are disordered in phase II.
12 citations
TL;DR: The inelastic incoherent neutron scattering spectrum of nominally beta -FeTiH1.14 shows a broad peak due to optic modes near 100 meV as discussed by the authors, and small side peaks at 70 meV and 85 meV may be due to different phases of FeTiHx.
Abstract: The inelastic incoherent neutron scattering spectrum of nominally beta -FeTiH1.14 shows a broad peak due to optic modes near 100 meV. Its width increases strongly on heating from 10K to 300K. Small side peaks at 70 meV and 85 meV may be due to different phases of FeTiHx.
7 citations