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Quazar Technologies Pvt. Ltd.
location Sarvpriya Vihar, Delhi

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Industrial Pump

We are leaders in the market for providing best range of nanoREV Vacuum STM Pump

NanoREV Vacuum STM Pump

NanoREV Vacuum STM Pump

nanoREVTMVacuum STMoperates in vacuum ranging from ambient down to 10-3mbars. Vibration free pumping during the scans is done using sorption pump dipped in liquid nitrogen.

Take a look at the critical specifications ofnanoREVTMVacuum STM.

  • Small chamber footprint just25cm!
  • Viewing window for tip-sample junction.
  • Two additional blanked-outKF-25ports.
  • Fitted with vacuum-release (vent) valve.
  • All vibration isolation inside the chamber.
  • SiM Advanced data acquisition analysis software.
  • 3D-renderingof STM images.
  • Line Profileextraction.
  • Data exported to standard formats likeASCII, jpg, png etc.
  • Elegant installation No additional vibration isolation required at all.
  • Swift and easytip and sample changes.
  • Tunneling Current and Feedback voltage signal output for CRO monitoring.

Visit the fascinatingnanoREVTMSTM Image Galleryto have a glimpse of the nanoscale realm revealed by it. Also check out theHowTo Videosto seenanoREVTMSTM in action.

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)

 

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