Accessibility Tools

  • Content scaling 100%
  • Font size 100%
  • Line height 100%
  • Letter spacing 100%
Skip to main content

Apparatus

Devices for sample synthesis and initial characterization of materials

  • Scanning electron microscope Philips 515 with energy spectrometer EDAX PV9800.
  • Muffle and tube furnaces with working temperatures ranging from 1400 to 1600 °
  • Arc melting furnace for sample preparation
  • Two-zone tube furnace with working temperatures up to 1400°C
  • Tube furnace with the possibility of synthesis in gas flow (e.g. oxygen, ammonia)

Measuring devices

  • PPMS (Physical Property Measurement System) from Quantum Design with a temperature range 1.9 - 400 K and magnetic fields up to 9 T with inserts allowing measurement of:
    • specific heat;
    • AC and DC magnetization (sample extraction method);
    • DC magnetization (torque method);
    • thermal conductivity(stationary and continuous method);
    • Seebeck coefficient;
    • AC and DC electrical conductivity (with rotator);
    • AC and DC electrical conductivity under pressure up to 3GPa;
    • thermo-  and galvanomagnetic effects (with rotator).
  • HOT DISK® TPS 3500 from HOT DISK Instruments for measuring the thermophysical properties implementing the transient heat plane source method in the temperature range from -35°C (with circular) up to 500°C (with furnace) enabling the determination of: thermal conductivity; thermal diffusivity; thermal effusivity; and volumetric specific heat capacity.
  • Helium cryostat for determination of thermal conductivity of cryocrystals with stationary method in temperatures from 1.5 up to 50K
  • Set up for measuring thermal conductivity and electrical resistance of solids in the range of 4.2 K – 300 K
  • 3 omega experimental system for determination of thermal conductivity of thin layers (both in-plane and cross-plane) in temperature range 100 – 325 K.
  • Research station for calibration of thermometers at fixed points of the temperature scale from 13 K to 430 K with uncertainty of less than 1 mK.
  • Station for calibration of thermometers using comparative method in a temperature range from 5K to 440oC with an uncertainty of 10 mK.
  • Precise DC and AC resistance bridges for measurements with uncertainty better than 0.1 ppm.
  • Laboratory of Molecular Beam Epitaxy (MBE)  implementing a sophisticated thin film deposition technique in Ultra High Vacuum (UHV) conditions (pressure of 10-9 mbar), enables the deposition of very thin layers of the order of nm with a precisely defined chemical composition and precise distribution of the dopant concentration profile.
  • Bitter magnets with the magnetic field up to 14T enabling:
    • magnetic measurements with a vibrating magnetometer (determination of M(H) dependence at given temperature T and M(T) at given magnetic field H) accuracy ~10-5 emu, temperature range 4.2 – 300 K
    • magnetocaloric effect measurements, including direct determination of the adiabatic temperature change (∆Tad)  and isothermal absorption/heat transfer (ΔQ) during magnetization and demagnetization; measurements of ∆Tad and ΔQ are realized as a function of magnetic field (H) and as a function of temperature (T) at a given initial temperature, with an accuracy of  ~10-2K and ~10-2J respectively, temperature range 4.2 – 350 K.
    • critical parameters determination, e.g. critical temperature, critical current and upper critical field
  • Measurements in an adjustable magnetic field source based on magnetic systems (Halbach cylinder) made of permanent magnets:
    • direct determination of the adiabatic temperature change (∆Tad) with an accuracy of  ~2*10-3K
    • direct determination of the isothermal absorption/heat transfer (ΔQ) with an accuracy of  ~10-4J
    • field range -1.8 T do +1.8 T; temperature range 4.2 -350 K; both parameters are measured during magnetization and demagnetization, as a function of magnetic field (H) and as a function of temperature (T) at a given initial temperature
  • In-situ studies of magnetostructural transitions in magnetic fields including microstructure studies of samples with magnetostructural transitions using an optical microscope in a Bitter magnet (up to 14 T) or in an adjustable magnetic field source based on magnetic systems (Halbach cylinder) made of permanent magnets (- 1.8 T to +1.8 T); temperature range: 77 – 350 K
  • Lake Shore Cryotronics susceptometer for measurements in temperature range of 4.2 - 300 K and magnetic field up to 9 T and inserts enabling the measurement of:
    • DC and AC magnetization (sample extraction method);
    • DC and AC electrical conductivity;
  • SQUID magnetometer (sensitivity 10-7 emu, temperature range 2 - 300 K)
  • Optical spectrometer (range 300-900 nm, resolution 0.06 nm) and optical insert with quartz fiber beam guide for measurements in high magnetic field (temperature range 4.2 - 300 K)
  • Oxford Instruments susceptometer with temperature range of 1.9 - 350 K and magnetic field up to 9 T and inserts enabling the measurement of:
    • DC and AC magnetization (sample extraction method);
    • DC and AC electrical conductivity;
    • critical currents of superconducting wires and junctions.
  • Oxford Instruments Teslatron with temperature range of 1.8 - 300 K equipped with a 12 T magnet with measuring inserts for:
    • AC and DC electrical conductivity;
    • magnetocaloric effect;
    • thermo- and galvanomagnetic effects.