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LMS Prague

  

Transmission Mössbauer spectroscopy (MS)

  • six experimental channels with various possible setups
  • room-temperature (RT) measurement, velocity range up to ±24 mm/s
  • low-temperature measurement down to 4.2 K (LHT) combined with an external magnetic field up to 7 Tesla

- helium bath cryostat by Janis Research with perpendicular arrangement of γ-rays with respect to the external magnetic field, temperature range LHT-RT, magnetic field up to 6 Tesla, standart velocity range ±12 mm/s (in preparation - in situ measurement of NMR spectra)
- helium bath cryostat by Oxford Instruments with parallel arrangement of γ-rays with respect to the external magnetic field, temperature range LHT-RT, magnetic field up to 7 Tesla, standart velocity range ±12 mm/s

  • measurement at increased temperature up to 1100°C in air, specified atmosphere or vacuum

- MS furnace MBF-1100 by WissEl

  • measurement at increased external pressure up to 50 GPa

- diamond anvil cell Diacell SymmDAC by Almax easyLab
- ~150 μm focussing polycapillary optimized for 14.4keV energetic beam
- micro electric discharge machining system (EDM) by Hylozoic Products for gasket preparation
- ruby photoluminescence manometry system up to ~100 GPa Optiprexx PLS by Almax easyLab
- 100X magnification binocular stereoscopic microscope with HD camera

  • measurement in hermetically sealed apparatus for in situ investigations of catalytic and oxidation-reduction reactions in specified atmosphere or vacuum with possible annealing of the sample without its exposition to air

Conversion electron Mössbauer spectroscopy (CEMS)

  • RT measurement of conductive sample surfaces to a depth of ~200 nm (in preparation - measurement in the temperature range from 90 K to RT with liquid nitrogen cryostat)

- Rikon-5 gas detector

Conversion X-ray Mössbauer spectroscopy (CXMS)

  • RT measurement of conductive sample surfaces to a depth of ~10 μm (in preparation - measurement in the temperature range from 90 K to RT with liquid nitrogen cryostat)

- Rikon-5 gas detector

Nuclear magnetic resonance (NMR) in magnetically ordered materials

  • RT and LHT measurement

Density functional theory (DFT) calculations

  • Dell PowerEdge T620, 2x Intel® Xeon® Processor E5-2695 v2 (12C, 30M Cache, 2.4 GHz), 128 GB RAM
  • software - WIEN2k, VASP

Other general-purpose equipment

  • hydraulic press with an adjustable pressure control up to 60 tons and 12/13mm molds for preparation of pellets from powdered samples
  • laser calibration of transducer velocities for Mössbauer spectrometers by WissEl
  • analytical balance with readability down to 0.001 g and max capacity of 120 g
  • high precision analytical balance with readability down to 0.00001 g and max capacity of 220 g
  • software for image analysis of electron microscopy micrographs (e.g. determination of particle size distributions)
  • software for evaluation of Mössbauer spectra - Confit, MossWin, SpectrRelax, Recoil