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.
- Small chamber footprint – just 25cm !
- Viewing window for tip-sample junction.
- Two additional blanked-out KF-25 ports.
- Fitted with vacuum-release (vent) valve.
- All vibration isolation inside the chamber.
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- SiM – Advanced data acquisition analysis software.
- 3D-rendering of STM images.
- Line Profile extraction.
- Data exported to standard formats like ASCII, jpg, png etc.
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- Elegant installation – No additional vibration isolation required at all.
- Swift and easy tip and sample changes.
- Tunneling Current and Feedback voltage signal output for CRO monitoring.
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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
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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
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2-3 hours with sorption pump |
Rotary pump
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For vacuum range 10-2 to 10-3 mbar |
Liquid Nitrogen
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8 to 10 liters per experiment |
Viewing Window
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For tip-sample junction |
Spare ports
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Two blanked-out KF-25 ports |
Vibration Isolation
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No further isolation required for the chamber |
Chamber Dimensions
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25cm (dia) x ~17cm (height) |
| Fitted with vacuum release (vent) valve. |
| Electronics |
Scan Signals
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4-Channel 12-bit DACs |
Measurement Ch.
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Single Channel 16-bit ADC |
Sample Bias
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-10,000mV to +10,000mV in steps of 5mV |
I-V Spectroscopy
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750 points, min. bias resolution 5mV |
Slope Correction
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Front Panel X/Y slope correction |
Coarse Approach
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Micro-controller based Walker Control with LCD |
Tunnel Current
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-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
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Dual Mode (Scan and Retrace) Image Display |
Display Options
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Both 2D and 3D displays, customizable look-up tables for pseudo image coloring |
Analysis Functions
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Line Profile Extraction, X/Y Slope Correction, Fourier Transforms and Filters, Selective Zooming |
Data Export
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Exports to ASCII, jpg, png, postcript formats |
Image Processing
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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
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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:
nanoREV Vacuum STM Brochure (pdf)
Documents
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