Mossbauer Spectrometer

Technical Data

Modes: Transmission Mossbauer Spectroscopy
Convertion Electron Mossbauer Spectroscopy (CEMS)
Sample size (CEMS): up to 10 mm x 10 mm; up to 0,5 mm thick
Source: 57Co onto rhodium matrices (57Fe 14,4 keV)
Detectors: LND 45431 for transmission spectroscopy
detector with He + 10% CH4 floating gas for CEMS



Hyperfine studies of FePd thin alloy films with nonmagnetic admixtures.









Fig. 1. CEMS spectrum for 10 nm thick FePd alloy with 8% of copper admixture on Si/SiO2 substrate fitted with one "non-magnetic" and two magnetic components.









Fig. 2. Probability histogram of magnetic hyperfine field components.