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CP-qp-CONT-Au

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Order Code / Price*
Quantity
CP-qp-CONT-Au-A-5 Box of 5 AFM Probes
700.00 USD
sphere Ø = 1.5 - 3 µm
CP-qp-CONT-Au-B-5 Box of 5 AFM Probes
700.00 USD
sphere Ø = 3 - 5.5 µm
Product availability: Made-to-order

CP-qp-CONT-Au

Colloidal AFM probe, AFM cantilever with round AFM tip like a ball

Coating: Reflective Chromium/Gold
AFM tip shape: Sphere, Gold
Sphere Diameter: 1.5 - 5.5 µm
AFM Cantilever
F 30 kHz
C 0.1 N/m
L 125 µm
*nominal values

Applications

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This colloidal probe combines the well-known features of the proven qp-CONT AFM probes series such as high application versatility and compatibility with most commercial SPMs with a reproducible sphere radius instead of a sharp AFM tip.

qp-CONT AFM probes are designed for contact mode AFM imaging in air or for applications in liquid environments with a reduced thermal drift. The CONT type is also optimized for high sensitivity due to a low force constant.

The so called "Colloidal Probe Technique", where single colloids are attached with polymer glue to AFM cantilevers for force measurements, offers possibilities for a better understanding of fundamental interactions in a variety of fields. Examples are adhesion phenomena, particle-surface interactions, mechanical properties, suspensions, hydrodynamics and boundary slip - to name just some out of an increasing number of applications.

The AFM probe offers unique features:

  • sphere material: gold
  • sphere diameter A = 1.5 µm - 3 µm, B = 3 µm - 5.5 µm, all typical values
    (Due to different masses the resonance frequency can differ.)
    Please choose A or B when ordering!

This AFM probe features alignment grooves on the back side of the holder chip.

A chromium/gold layer of about 60nm is partially coating the cantilever on the detector side near its free end where the tip is situated. The main advantages of this partial metallic coating are considerably less cantilever bending and reduced drift for SPM measurements in liquid environments.

AFM Tip:


  • AFM Cantilever:

  • Beam
  • 0.1 N/m (0.08 - 0.15 N/m)*
  • 30 kHz (26 - 34 kHz)*
  • 125 µm (120 - 130 µm)*
  • 35 µm (33 - 37 µm)*
  • 750 nm ( 720 - 780 nm)*
  • * typical range
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