This thesis reports on the phase transition from the paramagnetic to the ferromagnetic phase in bcc-iron, and from the paramagnetic to the helimagnetic phase in the cubic helimagnet MnSi. In MnSi, the effects of a magnetic field and substitutional doping on the phase transition were investigated. To facilitate the experiments, the MIEZE setup at the instrument RESEDA has been enhanced towards a larger dynamic range and augmented with the possibility to investigate samples under extreme conditions.
«
This thesis reports on the phase transition from the paramagnetic to the ferromagnetic phase in bcc-iron, and from the paramagnetic to the helimagnetic phase in the cubic helimagnet MnSi. In MnSi, the effects of a magnetic field and substitutional doping on the phase transition were investigated. To facilitate the experiments, the MIEZE setup at the instrument RESEDA has been enhanced towards a larger dynamic range and augmented with the possibility to investigate samples under extreme condition...
»