nanoREVTM Vacuum STM operates in vacuum ranging from ambient down to 10-3 mbars. Vibration free pumping during the scans is done using sorption pump dipped in liquid nitrogen.
Product Info
Take a look at the critical specifications of nanoREVTM Vacuum STM.
Visit the fascinating nanoREVTM STM Image Gallery to have a glimpse of the nanoscale realm revealed by it. Also check out the HowTo Videos to see nanoREVTM STM in action.
Specifications
STM Measurements | ||||
Sizes | Minimum Area | Maximum Area | X/Y Resolution | |
eXtra Large | 20 x 20nm2 | 2.0 x 2.0μm2 | 500pm | |
Large | 10 x 10nm2 | 200 x 200nm2 | 50pm | |
Small | 20 x 20Å2 |
40 x 40nm2 | 10pm | |
Z-Resolution | Analog Mode: 0.008-0.01nm, Digital Mode: 0.025-0.05nm (Using 12-bit DAC) | |||
Scan Orientation | Horizontal and Vertical | |||
Max Z Range | ±350 to ±500nm (Full Stretch and Full-Retract) | |||
Imaging Modes | Constant Current (CC), Constant Height (CH) modes and Dynamical Conductance Imaging |
Vacuum Specifications | ||||
Vacuum range | Ambient to 10-3mbar | |||
Vacuum Holding Time |
2-3 hours with sorption pump | |||
Rotary pump |
For vacuum range 10-2 to 10-3 mbar | |||
Liquid Nitrogen |
8 to 10 liters per experiment | |||
Viewing Window |
For tip-sample junction | |||
Spare ports |
Two blanked-out KF-25 ports | |||
Vibration Isolation |
No further isolation required for the chamber | |||
Chamber Dimensions |
25cm (dia) x ~17cm (height) | |||
Fitted with vacuum release (vent) valve. |
Electronics | ||||
Scan Signals |
4-Channel 12-bit DACs | |||
Measurement Ch. |
Single Channel 16-bit ADC | |||
Sample Bias |
-10,000mV to +10,000mV in steps of 5mV | |||
I-V Spectroscopy |
750 points, min. bias resolution 5mV | |||
Slope Correction |
Front Panel X/Y slope correction | |||
Coarse Approach |
Micro-controller based Walker Control with LCD | |||
Tunnel Current |
-5nA to +5nA in steps of 0.1nA (Option 1), -25nA to +25nA in steps of 0.5nA (Option 2) |
Software-SiM (STMiMproved) | |
Image Display |
Dual Mode (Scan and Retrace) Image Display |
Display Options |
Both 2D and 3D displays, customizable look-up tables for pseudo image coloring |
Analysis Functions |
Line Profile Extraction, X/Y Slope Correction, Fourier Transforms and Filters, Selective Zooming |
Data Export |
Exports to ASCII, jpg, png, postcript formats |
Image Processing |
In-built image improvement toolbox with specialized spatial and fourier filters like Histogram Equalization, Gaussian LPF, Slope recitification in X and Y etc. |
Nano-Lithography |
Applying controlled voltage pulses to the sample (-10V to +10V ) |
Operating System | UbiKewti Linux LiveDVD (with installation option) |
All the detailed specs of nanoREV Vacuum STM can be found here:
Documents
For more information and purchase related queries, contact us here.