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NanoWorld AFM Probes
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Type: CDT-NCHR

Conductive Diamond coated tip - Non-contact/Tapping™ mode High resonance frequency - Reflex coating

diamond coated tip
Cantilever Data ValueRange*
Resonance Frequency 400 kHz280 - 510
Force Constant 80 N/m42 - 142
Length 125 µm120 - 130
Mean Width 30 µm25 - 35
Thickness 4.0 µm3.5 - 4.5

Product Description

NanoWorld Pointprobe® NCH probes are designed for non-contact or tapping mode imaging. This probe type combines high operation stability with outstanding sensitivity and fast scanning ability.

All SPM and AFM probes of the Pointprobe® series are made from monolithic silicon which is highly doped to dissipate static charge. They are chemically inert and offer a high mechanical Q-factor for high sensitivity. The tip is shaped like a polygon based pyramid with a typical height of 10 - 15 µm.

For applications that require hard contact between tip and sample this probe offers a real diamond tip-side coating. This coating features extremely high wear resistance due to the unsurpassed hardness of diamond. The typical macroscopic tip radius of curvature lies in the range between 100 and 200 nm. Nanoroughnesses in the 10 nm regime improve the resolution on flat surfaces.

The CDT features a conductive diamond coating. Some typical applications for this tip are Tunneling AFM (Conducting AFM) and Scanning Capacitance Microscopy (SCM).

A trapezoidal cross section of the cantilever and therefore 30% wider (e.g. NCH) cantilever detector side result in easier and faster laser adjustment. Additionally, because there is simply more space to place and reflect the laser beam, a higher SUM signal is reached.

Coating Description

Conductive Diamond Coating / Aluminum Reflex Coating

The conductive diamond coating consists of a 100 nm thick polycrystalline diamond layer deposited on the tip side of the cantilever resulting in an unsurpassed hardness of the tip. The coating is highly doped with boron which leads to a macroscopic resistivity of 0.003 - 0.005 Ohm•cm.

The aluminum reflex coating deposited on the detector side of the cantilever enhances the reflectance of the laser beam and prevents light from interfering within the cantilever.

Order Codes and Packages Sizes

 Order Code Quantity Data Sheet
CDT-NCHR-10 10 yes
CDT-NCHR-20 20 yes
CDT-NCHR-50 50 no

Product Screencast

Product Screencast on NanoWorld Pointprobe® Diamond Coated Tip (DT), Conductive Diamond Coated Tip (CDT) given by Dr. Marco Becker - Product Developer

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For more information contact: info@nanoworld.com
Pointprobe® is a registered trademark of NanoWorld AG

All data are subject to change without notice.
NanoWorld AG
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Switzerland
www.nanoworld.com
 
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