Optical cryostat for electric measurements in vacuum Oxford instruments Optistat DN-V, vacuum pump set Pfeiffer HiCube Eco

Unit: Faculty of Physics

Keywords: Optical cryostat, Optistat, Pfeiffer HiCube Eco, charge carrier extraction by linearly increasing voltage, CELIV, photo-CELIV, i-CELIV, TOF, DoI, solar cell characterization, parameters of transistor structures

Responsible person: Kęstutis Arlauskas, +370 5 223 4544, ; Kristijonas Genevičius, +370 5 223 4553, ; Gytis Juška, +370 5 223 4554, ; Nerijus Nekrašas, nerijus.nekraš; Gytis Sliaužys, +370 5 223 4553, ; Mindaugas Viliūnas, +370 5 223 4563,

Device is suitable for charge carrier extraction by linearly increasing voltage (CELIV, photo-CELIV, injected CELIV), time of flight method (TOF), double injection method (DoI), solar cell characterization, determination of main parameters of transistor structures.

Open-circuit cryostat filled with liquid nitrogen;
Sample is in vacuum (up to 10-6 mbar);
Temperature range 77-500K, maximum sample size 2x4cm;
Temperature stability ±1K;
Duration of sample replacement 60min.;
Cooling up to 77K in 20min.;
Liquid nitrogen capacity 1.2L;
Can stay at 77K for 15h without a refill;
Possibility to illuminate the sample on both sides;
Ultraviolet-conducting windows;
Electrical outlets.