86 citations · 261 across the 6 of their papers we have counts for
6 papers
Resonance Damping of the THz-frequency Transverse Acoustic Phonon in the Relaxor Ferroelectric KTa1-xNbxO3
J. Toulouse, E. Iolin, B. Hennion +2
The damping () of the transverse acoustic (TA) phonon in single crystals of the relaxor with x=0.15-0.17 was studied by means of high resolution inelastic c…
Role of vibrational entropy in the stabilization of the high-temperature phases of iron
Jürgen Neuhaus, Michael Leitner, Karl Nicolaus +3
The phonon dispersions of the bcc and fcc phases of pure iron (α-Fe, γ-Fe and δ-Fe) at ambient pressure were investigated close to the respective phase transition temperatures. In…
Lattice dynamics of CuGeO : inelastic neutron scattering and model calculations
M. Braden, W. Reichardt, B. Hennion +2
The lattice dynamics in CuGeO has been analyzed by the combination of inelastic neutron scattering studies and lattice dynamical model calculations. We report an almost complet…
Ferromagnetic GaMnAs/GaAs superlattices - MBE growth and magnetic properties
J. Sadowski, R. Mathieu, P. Svedlindh +9
We have studied the magnetic properties of (GaMnAs)m/(GaAs)n superlattices with magnetic GaMnAs layers of thickness between 8 and 16 molecular layers (ML) (23-45 Å), and with nonma…
Quantum Impurities and the Neutron Resonance Peak in : Ni versus Zn
Y. Sidis, P. Bourges, H. F. Fong +9
The influence of magnetic (S=1) and nonmagnetic (S=0) impurities on the spin dynamics of an optimally doped high temperature superconductor is compared in two samples with almost i…
Double gap and solitonic excitations in the spin-Peierls chain CuGeO3
M. Ain, J. E. Lorenzo, L. P. Regnault +4
We have studied magnetic excitations in the dimerized spin-Peierls phase of CuGeO3, by high resolution inelastic neutron scattering. We measured the well-defined spin triplet dispe…