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Quick Overview

Conductive probe with short cantilever for electrical measurements in contact mode.

f = 23 kHz   |   k = 0.2 N/m   |   tip coating: Pt/Ir
Product Name Price Qty
PPP-CONTSCPt (50 Pack)
(Ships in 1-2 Weeks)
PPP-CONTSCPt (20 Pack)
(Ships in 1-2 Weeks)
PPP-CONTSCPt (10 Pack)
(Ships in 1-2 Weeks)


PointProbe® Plus Contact Mode Short Cantilever -PtIr5 Coating

The new PointProbe® Plus (PPP) combines the well-known features of the proven PointProbe® series such as high application versatility and compatibility with most commercial SPMs with a further reduced and more reproducible tip radius as well as a more defined tip shape.
The NANOSENSORS™ PPP-CONTSCPt is an alternative cantilever type for contact mode applications. The length of cantilever is reduced with respect to the preferred contact mode type enabling easier exchange with non-contact mode probes for some AFM instruments. Additionally, this probe type allows the application for lateral or friction force mode.

The probe offers unique features:
  • metallic conductivity of the tip
  • radius of curvature better than 25 nm
  • tip height 10 - 15 µm
  • high mechanical Q-factor for high sensitivity
  • alignment grooves on backside of silicon holder chip
  • precise alignment of the cantilever position (within +/- 2 µm) when used with the Alignment Chip
  • compatible with PointProbe® Plus XY-Alignment Series

    The PtIr5 coating is an approximately 25 nm thick double layer of chromium and platinum iridium5 on both sides of the cantilever. The tip side coating enhances the conductivity of the tip and allows electrical contacts. The detector side coating enhances the reflectivity of the laser beam by a factor of about 2 and prevents light from interfering within the cantilever. The coating process is optimized for stress compensation and wear resistance. The bending of the cantilever due to stress is less than 3.5% of the cantilever length.

    Please note: Wear at the tip can occur if operating in contact-, friction- or force modulation mode.

    Cantilever Specifications
    Spring k (N/m 0.2 (0.01 - 1.87)
    Freq (kHz) 23 (1 - 57)
    Length (µm) 225 (215 - 235)
    Width (µm) 48 (40 - 55)
    Thickness (µm) 1.0 (0.1 - 2.0)
    Shape rectangular
    Material Silicon
    Reflex Coating (nm) Cr/PtIr (5/25)

    Tip Specifications
    Tip radius (nm) 25
    Tip height (µm) 12.5 +/- 2.5
    Front angle (°) 25 +/- 2
    Back angle (°) 15 +/- 2
    Side angle (°) 22.5 +/- 2
    Tip shape 4-sided
    Tip material Silicon
    Tip coating (nm) Cr/PtIr (5/25)

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    Additional Information

    Tip Radius 25
    Tip Radius > 20 nm
    Spring Constant 0.2
    Frequency 23
    Compatibility blueDrive
    Manufacturer Nanosensors

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