Combined Transmission and Conversion Mössbauer Spectrometer

Simultaneous sample volume and surface investigation

General information

Usage

  • Combined Transmission and Conversion geometry, the gamma radiation is impacting the sample, causing electrons emission, the detector is counting electrons and collecting emission spectrum. At the same time, the radiation is going through the sample and the detector on the other side is collection absorption spectrum simultaneously.
  • The sample is placed inside of the detection chambre
  • Complete system can be operated remotely (requires internet connection for control PC), excluding gas flow (manual control)
  • Requires cylinder with counting gas (consumable)

Sample types

  • Thick bulk samples (up to 2 mm)
  • Thin bulk samples
  • Thin layers (from 50 nm)
  • Powder
  • Sample size limited to 10 mm diameter

Technical Specifications

Transmission Detector

  • YAP:Ce scintillation detector (1“ photomultiplier)
  • High Voltage supply built-in (electronically adjustable)
  • Pre-amplifier & amplifier built-in (electronically adjustable)
  • Single channel analyser built-in (electronically adjustable)
  • Detection range 10keV % 30keV
  • Spectrum registration built-in (1024 channels per unfolded spectrum)
  • Nickel plated brass aperture collimator (hole diameters: 4mm, 6mm, 8mm, 10mm, 14mm)
  • Standard USB interface
  • PC control application
  • Power requirements: +5V/500mA, +15V/20mA, -5V/20mA

Conversion Detector

  • Gas flow detector (requires cylinder with counting gas: 90%He + 10% CH4)
  • Maximum sample size ø10 mm x 2 mm height (sample is put inside of the detector chamber)
  • Transparent for 14.4 keV photons (windows on both sides of detector)
  • Multi-wire anode (golden plated tungsten wire)
  • High Voltage supply built-in (electronically adjustable)
  • Pre-amplifier & amplifier built-in (electronically adjustable)
  • Single channel analyser built-in (electronically adjustable)
  • Spectrum registration built-in (1024 channels per unfolded spectrum)
  • Standard USB interface
  • PC control application
  • Power requirements: +12V/500mA, +24V/100mA, -12V/20mA, -24V/50mA

Velocity Drive

  • Neodymium magnets based electrodynamic linear motor
  • Drive coil & sensor coil
  • Fast analogue PID velocity controller built-in
  • Velocity generator built-in (up to 50 mm/s)
  • M4 mounting screw for source
  • Internal lead shielding
  • Nickel plated brass aperture collimator (hole diameters: 4mm, 6mm, 8mm, 10mm, 14mm)
  • Standard USB interface
  • PC control application
  • Power requirements: +5V/250mA, +15V/100mA, -5V/20mA, -15V/100m

Gas flow control

  • Gas flow control unit includint tubing, on/off valve and needle valve
  • Cylinder with counting gas and pressure adjustable main valve not included

Power supply

  • Standard commerical laboratory power supply
  • Typically 4-channel GW Intek GPE-4323 (110V/240V)
  • Supply voltages 1: +5V, +15V, -5V, -15V
  • Supply voltages 1: +12V, +24V, -12V, -24V

Experimental setup

  • Standard optical rail and carriages (customized holders and mount on request)

Calibration set

  • Alpha Iron foil
  • Dual-channel oscilloscope (USB)

Control PC

  • All-in-one Personal Computer with keyboard and mouse
    (23.8″ Full HD, 8GB RAM, 256 SSD, multi-core processor)
  • Windows 11 operating system
  • Remote access
  • Interface for controlling the spectrometer (Spectrometer is independent on PC)

General notes

  • Turn-key solution, all necessary parts and tools included
  • All standard safety standards met
  • Internal lead shielding
  • Working with both 110V and 240V power grid
  • Most of the parameters are customizable
  • A radioactive source is necessary for Mössbauer Spectrometer operation (a delivery of the source is possible on customer’s request)

Do you have any questions?

Please feel free to contact us.

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