Nanosecond pulse generation and recording system for conductivity investigations of thin films Nanosecond pulse generation and recording systemconsists of ns pulse generator (pulse length 5-900 ns, rise time 0.5 ns, max. Amplitude 2 kV), closed cycle helium gas cryocooler which ensures measurements in the temperature range (4.2-320)±0.01 K, 50 W impedance 10 GHz bandwidth transmission line, 30 ps pulse duration laser and 6 GHz Tektronix or 16 GHz Tektronix real-time oscilloscopes.
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Setup for measurements of conductivity in permanent magnetic field in wide temperature range Setup for measurements of conductivity of films in permanent magnetic field up to 0.9 T in the temperature range 4.2-320 K. It consists of closed cycle helium gas cryocooler and electromagnet with programmable power supply (Agilent Technologies N5769A). The measurements are automated by using „LabView“ software. There are two programmes: one for automated measurement of conductivity dependence on temperature; the other one for measurement of conductivity dependence on magnetic field.
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Setup for measurements of conductivity in permanent magnetic field Setup for investigations of electrical conductivity up to magnetic field B = 2.4 T in the temperature range 270-350 K. It consists of two parts. Temperature stabilization is made by using Peltier element. Electromagnet with programmable power supply (Delta Elektronika SM 120-50), gaussmeter, multimeter (Agilent 34411A) and PC with special code for voltage, current and resistance change measuring in magnetic field. In this case the electromagnet has exchangeable poles which surface area could be changed from 490 cm2 up to 20 cm2 and a distance between them from 10 cm up to 1 cm. Therefore, homogeneous magnetic field could be created between the poles.
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Compact high magnetic field source Compact high magnetic field source (pulse duration 0,5-1 ms, B up to 40 T) consists of capacitor bank high power switch and a pulsed coil. Discharging capacitor bank through pulsed coil a high magnetic pulse can be generated. Coil winding is insulated with Kapton® and reinforced by Zylon®-epoxy resin composite. Such construction allows to generate pulsed magnetic fields up to 40 T, 0,5-1 ms of half sinus shape pulses. Such facility is unique in Lithuania allowing to investigate materials in high pulsed magnetic field.
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Electroporation of biological cells It is two types of electroporation setups. First setup for electroporation of biological cells consists equipment for generation and registration of nanosecond-pulses. It allows generation of pulses with the amplitude of 2 kV and the duration of 15 ns - 1 μs. The second setup for generation of high-voltage (up to 30 kV) 10-90 ns-duration pulses which is realized using a spark-gap discharge triggered by high-power subnanosecond (Standa, STA-01)laser.
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PI MOCVD Modified Pulsed Liquid Injection Metal Organic Chemical Vapour Deposition (PI MOCVD) for the preparation of manganite films.
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System for Pulsed Laser Deposition Complete Pulsed Laser Deposition System with Pulsed Excimer Laser (Twente Solid State Technology, The Netherlands) is a state-of-the-art, multifunctional vacuum evaporation system optimized for a wide range deposition of materials of electronics, magneto- and optoelectronic such as multicomponent ferromagnetic, ferroelectric, and dielectric metal oxides. System can be used for the production of thin epitaxial layers, heterosurfaces, and various multilayer structures and nanostructures.
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Specialized technological equipment for deposition of thin films and multilayers
- Working pressure in the deposition chamber varies from the residual gas pressure (5X10-7 Torr) up to 1 Torr
- Planar RF/DC magnetron sputtering guns (magnetrons) with shutters 2” diameter – 2 units, 1” diameter – 1 unit
- 3 or more thermal evaporation sources with power supplies
- Computer control of all systems.
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Motorized Spin Disc 3D Fluorescence Microscopy System It is unique and less expensive than traditional confocal fluorescence microscopy (KFM) system. Although its resolution is comparable to confocal microscopy, the major advantage of the system is the rapid (about 100 times faster than KFM) imaging of processes in animal cells and the reconstruction of the three-dimensional image of the cell. The Revolution DSD (Andor, USA) rotating disk system consists of inverted fluorescence microscope (Nicon, Japan) software, video camera, specialized lenses, motorized filter cube set, differential interference contrast optical elements, motorized condensers and control panel.
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Specialised test bench for the investigation of frequency converter characteristics The test bench is used for testing and investigation of frequency converters depending on frequency, load and other conditions.
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HIL (Hardware in the Loop) hardware for the computer The equipment is used to model control systems where one part of the system is real and the other part is virtual, represented by a mathematical model on a computer. |
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