LABORATORY EQUIPMENT

Nanofinder HE confocal Raman/PL spectrometer
Purpose: local analysis by Raman and photoluminescence spectroscopy
Specifications:
• 4 lasers (355, 473, 532 and 785 nm)
• high spectral resolution (up to 0.01 nm)
• spatial resolution of up to 200 nm (lateral) / 500 nm (vertical)
• highly-sensitive cooled photoreceiver (operating spectral range – 330-1100 nm)
• possibility of cryogenic measurements (down to 20 K)
SolverNano scanning probe microscope
Purpose: studies of three-dimensional topology and parameters of condensed media surface microrelief
Specifications:
• resolution without sensors of up to 0.05 nm in XY, up to 0.01 nm in Z
• XY-sensor noise level of 0.3 nm; 0.03 nm for Z-sensor
• basic techniques: contact AFM, amplitude modulation AFM, electrostatic AFM, magnetic AFM, AFM spectroscopy, STM techniques, lithography
Laboratory facility for thermoelectric measurements
Purpose: studies of thermoelectric properties of materials (including measurements under increased temperatures)
Specifications:
• measurements of thermoelectric figure of merit, Seebeck coefficient, electrical conductivity, thermal conductivity
• temperature range of 20-400 °C
• residual pressure not worse than 2×10-5 bar, possibility of filling the chamber with a custom gas
MLS35 spectrometer
Purpose: measurements of photoconductivity, photocurrent and photoelectric spectra of photosensitive materials and structures
Specifications:
• spectral range of 200-1700 nm
• adjustable spectral resolution
• highly-sensitive amplification path with narrowband amplification and synchronous detection (signal modulation frequency from 1.0 to 600 Hz)
TCMC thermal conductivity measurement facility for building and insulating materials
Purpose: determination of thermal conductivity and thermal resistance of building and insulating materials
Specifications:
• thermal conductivity measurement range of 0.002 – 1.0 W/(m·K)
• thermal resistance measurement range of 0.1 – 8.0 (m2·K)/W
• temperature measurement range of 0 – 40 °С
• maximum heater temperature of 70 °С
• pressure on a sample of 21 kPa
“Potok” heat flow density and temperature meter
Purpose: measurements of density of heat flows through the enclosing structures of buildings, through the lining and thermal insulation of power facilities, in experimental research and in operating conditions
Specifications:
• heat flow density measurement range of 10 – 1000 W/m2
• temperature measurement range of -30 – +100 °С
Testo 882 thermal imaging system
Purpose: identification and studies of surface temperature fields
Specifications:
• temperature range (switchable) -20 – +100 °C / 0 – +350 °C
• minimum focusing distance 0.2 m
• spectral range 8 – 14 μm
• temperature sensitivity (NETD) 60 mK
Testo 425 thermoanemometer
Purpose: measurements of gas flow temperature and velocity
Specifications:
• temperature range of -20 – +70 °C (accuracy of 0.5 °C)
• velocity range of 0 – 20 m/s (accuracy of 0.03 m/s)
“House” demonstration and measurement complex (development of the Department)
Purpose: visual demonstration and studies of heat transfer through the enclosing structures, heat and mass transfer in a closed volume, and enclosing structure material properties
Specifications:
• range of temperature variation inside the house of 20 – 50 °C
• range of thermal conductivity coefficient of enclosing structure materials of 0.1 – 1.0 W/(m·K)
• heating elements of various configurations
• a set of removable walls, floors and roofs of various materials and configurations
Facility for determining thermophysical characteristics of materials
Purpose: study of methods for determining the coefficients of thermal conductivity and thermal diffusivity for heat-insulating materials under various heating regimes, boundary conditions, regimes of temperature field propagation
Specifications:
• thermal conductivity coefficient determination range of 0.2 – 1.0 W/(m·K)
• thermal diffusivity coefficient determination range of 10-5 – 10-7 m2/s
• temperature range of 20 – 90 °С
System for resistance thermometer and thermocouple calibration
Purpose: study of the effects under contact methods for temperature measurement; study of methods for calibration of contact-type temperature sensors; study of electrical conductivity and thermoEMF temperature dependencies for materials used in temperature sensor active elements
Specifications:
• temperature range of -20 – 80 °С
• absolute error of temperature measurement of 0.01 °С
Scanning pyrometric system
Purpose: study of the object thermal radiation laws, processes of radiative heat transfer, methods for measuring temperature using an infrared pyrometer; determination of heat transfer coefficients for free and forced convection
Specifications:
• accuracy of sample surface radiation temperature measurement of 0.1 °С
• minimum scanning step of 0.2 μm
• surface radiation coefficients of 0.1 – 0.9
• surface temperatures of 20 – 60 °С
• reference temperature sensor (chromel-alumel thermocouple)
Solar cell system
Purpose: study of a solar cell operation under real conditions
Specifications:
• two series-connected OPTI-Solar OM6PV216 solar modules with a total area of 2.7 m2
• Multi-Si solar cell technology with an efficiency of about 18%
• open circuit voltage of up to 73 V, short-circuit current of up to 8 A
• maximum generated power of the system of about 430 W

Research equipment of A.V. Luikov Heat and Mass Transfer Institute of NAS of Belarus is also involved in the laboratory workshop for the Department students