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Laboratory of Strongly Correlated Systems



Contact person

Dr. Slavomír Gabáni, PhD
Email: gabani@saske.sk
Phone: +421 (055) 792 2303
Address: Park Angelinum 9, 04154 Košice

Experimental facilities

Home-made 3He-4He dilution refrigerator (Fig. 1) with a cooling power of 20 μW, minimum temperature of 28 mK and maximum experimental space of 35 mm.
Two Oxford Instruments 10 T cryomagnetic systems (Fig. 1) with 4He-flow cryostats down to 1.5 K.
Microcalorimeter for the heat capacity measurements by relaxation method in the temperature range 0.03-3 K (Fig. 2). Available is also a sample holder for electrical resistance and Hall effect measurements in dilution refrigerator or 4He cryostat.
Two high pressure cells: a piston cell up to 3 GPa with a workspace of 4 mm from EasyLab, a home-made diamond anvil cell (DAC) up to 12 GPa with a workspace of 0.5 mm (Fig. 3).
For the preparation of electrical resistance measurements under pressure following equipment is used:
  • home-made argon liquefier (Ar serves as pressure medium in DAC),
  • home-made pressure applicator for DAC,
  • optical microscopes with micromanipulators (Narishige, Japan),
  • microwelding machine (SunStone Engineering, USA),
  • fluorescence ruby spectrometer (EasyLab, UK) for pressure detection in DAC.
The laboratory is also equipped with the method of Point Contact Spectroscopy.

Research

The laboratory is focused on experimental investigations of thermal, magnetic and transport properties of strongly correlated electron systems and other materials (single crystals, polycrystals, thin films) in the temperature range 30 mK - 300 K, in magnetic field up to 10 T and at high pressures up to 12 GPa.

Offer to professional public

Methods and measurements described in paragraph Research (see above).

Photo gallery


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3He-4He dilution minirefrigerator (left) with a 10 T cyomagnetic system.


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Silver experimental plate of the minirefrigerator with heat capacity and electrical resistance holders (left), the setup for high pressure measurements in DAC (right).


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DAC for pressures up to 12 GPa (left) and piston cell for pressures up to 3 GPa (right).






Actions


2017-05-18


Otvorenie Relaxačného kútika Mark pre študentov


2017-05-11


Selected topics in magnetism



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Institutions


Pavol Jozef Šafárik University in Košice
Faculty of Science UPJŠ

Departments


Department of Biophysics
Department of Condensed Matter Physics
Department of Nuclear Physics and Subnuclear Physics
Department of Theoretical Physics and Astrophysics
Division of Didactics of Physics

Projects


Establish
Modernisation of education
Science on Stage
SCIENCENET
Do not worry physics
Students and teachers at CERN
Discover beauty of physics
Creative physics teacher

Projects


SeeVogh systém
Moodle
Celim

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