Facilities Electron spectroscopy and microscopy

(to research team)

  • Electron Energy Loss Spectroscopy (EELS)
  • Photoemission Spectroscopy (PES), low energy photons (laser, gas discharge sources) and x-rays, angle-integrated and resolved operation
  • Photoemission Electron Microscopy (PEEM)
  • Transmission Electron Microscopy
  • Optical Spectroscopy

Facilities Synchrotron methods

(to research team)

  • 1-cubed-ARPES
  • NanoESCA -Lab-based ARPES
  • Bruker 4-circle x-ray diffractometer (KAPPA APEXII)
  • high-pressure x-ray diffraction setup
  • transmission EELS -TEM (JEM 2010f)

Facilities Synthesis and crystal growth

(to research team)

  • Floating zone furnaces with optical heating under pressure up to 150 bar
  • Floating zone furnace with rf induction heating under normal pressure
  • Bridgman-Stockbarger apparatus up to 1500°C
  • Bridgman-Stockbarger apparatus up to 2000°C
  • Hukin-type cold-crucible rf induction melting and casting device
  • Multianvil device for high pressure synthesis and crystal growth up to 6GPa pressure and up to 1500°C
  • Two arc-melting devices with high vacuum conditions (~10-6mbar) and Ar gas inlet
  • Different tube and chamber furnaces up to 1800°C for synthesis and crystal growth
  • Thermoanalysis under well-defined atmospheres up to 2400°C
  • High-temperature optical microscope (temperature up to 1450°C)
  • Handling of quartz glass
  • Complete metallography and ceramography
  • Analytical scanning electron microscope EVOMA15 (Zeiss), with EDX & WDX
  • X-ray diffractometers: Miniflex CN 2005 (Rigaku), Guinier camera with image plate, Temperatures 10 K to 300 K (Huber), Laue diffraction camera, Single crystal diffractometer (Bruker KAPPA-APEX II, 30 K-1000 K)
  • Setup to measure nuclear magnetic resonance (NMR) in ferromagnets (TECMAG spectrometer, 0T, 1.5- 300 K, 10-500 MHz)

Facilities Transport and scanning probe microscopy

Facilities Magnetic properties

(to research team)

Electron spin resonance

  • Two tunable high-frequency high-magnetic field ESR spectrometers based on the Millimeterwave Vector Network Analyzers and millimeterwave backward oscillators

    • frequency range 10 GHz - 1 THz
    • magnetic fields up to 16 Tesla (up to 11 Tesla with an optical magneto-cryostat)
    • Temperature range 0.3 – 300 K

  • Bruker 10 GHz (X-band) ESR Spectrometer(3.5 K - 300K, filed up to 1 T)

Thermodynamics

Experimental Techniques:

  • Quantum Design SQUID Magnetometer (5 T, 1.5-400 K, Oven (up to 800 K), Rotator, Ultra-Low-field option, Hydrostatic Pressure Cell up to 5 GPa)
  • Vibrating Sample Magnetometer (17 T, 2.5-300 K)
  • Alternating Gradient Magnetometer  MicroMag™ Model 2900 (Princeton Measurement Corp., 4-300 K, 1.2 T, 1 nemu rms)
  • Quantum Design PPMS (9 T, 0.5-350 K; Specific heat, AC-susceptibility, Torque-Magnetometer, Electrical+heat transport, Dilatometer)
  • Quantum Design SQUID-VSM (7 T, 1.8-400 K)
  • Magnetostriction (18 T, 2-300K), Thermal Expansion (18 T, 2-300 K)
  • Hydrostatic Pressure Cell (up to 5 GPa)AC-Susceptibility (AC-Dipstick; 0 T)

In addition to the in-house techniques, in cooperation with our partners we apply the following techniques:

  • Pulsed Field Magnetometer up to 60 T (with J. Wosnitza, FZD Rossendorf)

Nuclear magnetic resonance

Spectrometers

  • 3 Techmag 500 MHz Double Resonance Spektrometers
  • 1 Tecmag LapNMR 0.2 MHz - 125 MHz single Resonance NQR

Cryostats

  • 1 Oxford cryostat (1.5K - 500K)
  • 3 Janis cryostats (1.5K - 325K)

Facilities Surface dynamics

(to research team)

The Surface Dynamics Group possesses or has easy access to all equipment needed for the work on modern SAW systems . This includes a variety of unique and state-of-the-art tools and instruments for advanced simulation and extensive evaluation of thin films and bulk samples, as well as for the precise characterization of microacoustic devices under different ambient conditions:

  • Proprietary software tools for
    - Searching for acoustic modes in material systems of crystal acoustics (incl. thin films and fluids) and calculation of all relevant parameters
    - Extraction of material properties from BAW and SAW measurements
    - Calculation of COM parameters for SAW device simulation (surface impedance method)
    - SAW device simulation on base of different methods and models (surface impedance method, BAW based models)
    - FEM simulation of SAW systems
  • Dedicated clustertool CARMEN for thin film deposition on piezo- and pyroelectric substrates for magnetron sputtering, e-beam evaporation and pre-treatment including in-situ measurement techniques
  • High-precision ultrasonic pulse-echo measurement system (RiTec 5000)
  • Customized laseracoustic devices (LAwave systems) for high-precision material characterization (bulk, thin films, temperature dependence)
  • Brillouin light scattering measurement system (JRS)
  • In-situ measurement techniques for damage analysis on loaded SAW devices
  • Customized lifetime (TTF) measuring setups for SAW devices
  • Various ovens for thermal treatment and measurement up to 1200°C under different atmospheric conditions (vacuum, inert gas, forming gas)
  • Gas flow cryostats equipped for dielectric and ultrasonic measurements in the temperature range 4.2 K - 350 K
  • Diverse RF measurement devices up to 8 GHz (network analyzers, impedance/gain phase analyzers, digitizing oscilloscopes etc)
  • Equipment for measurement of electrical and mechanical thin film and bulk parameters (resistivity, polarization, pyroelectricity, hardness, thickness)

Facilities Nanoscale chemistry

(to research team)

Fullerenes

  • Four fullerene generators of local design
  • Full set of chromatographic (HPLC) equipment for separation of fullerene mixtures, including recycling HPLC

Spectroelectrochemistry

The Center of Spectroelectrochemistry in IFW has state-of-the-art equipment and expertise for in situ studies of the electrochemical electron transfer using IR, Raman, ESR, NMR, UV-vis-NIR and luminescence techniques. This list of spectroelectrochemical techniques available in the Center is quite unique, also on an international level.

Electrochemistry + spectroscopic method(s):

  • In situ ESR spectroelectrochemistry
  • In situ UV-vis-NIR spectroelectrochemistry
  • In situ ESR/UV-vis-NIR spectroelectrochemistry
  • In situ NMR spectroelectrochemistry
  • In situ Luminescence spectroelectrochemistry
  • In situ IR spectroelectrochemistry
  • In situ Raman spectroelectrochemistry

 

To top