LT STM-Qplus

Piezoelectric scanner

Scanning range X/Y/Z as a function of temperature :

300K : 10 µm x 10 µm x 1 µm
100K : 4 µm x 4 µm x 0.4 µm
5 K : 1.8 µm x 1.8 µm x 0.2 µm

Stroke X/Y/Z:

5 mm x 5 mm x 10 mm

Z resolution :

< 5 pm

Tunnel Current :

< 1pA – 300 nA

Polarization voltage :

± 0.5 mV to ± 10 V applied to the tip, sample to ground.

Operating temperature range of the microscope stage :

<= 5K at RT, autonomy > 50h at 5K and > 200h at 77K.

Sample preparation :

Studies can be performed on all types of conductive or semiconductor samples in STM mode and insulating samples in AFM Qplus mode.

Sample preparation constraints :

Maximum size 7mm x7mm, thickness < 6mm

Working environment :

Ultra-high vacuum

Accessibility :

Limited, after notification of practicability by the scientific manager (C. Becker) and availability of the equipment.