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Probes - Conductive (SPARK Range)
SPARK 70 Pt - AC mode silicon AFM probes with Pt conductive coating on both sides

SPARK 70 Pt - AC mode silicon AFM probes with Pt conductive coating on both sides

Conductive AFM probes with platinum coating. Suitable for electrical characterisation in AC modes (non-contact, tapping).

All prices exclude VAT.

Description Tech Data

Product Description

Conductive AFM probes with platinum coating on both sides.

Suitable for electrical characterisation in both contact mode and AC modes (non-contact/soft-tapping)
40nm platinum coating with a 5nm titanium adhesion layer on both sides of the probe
Tip radius: less than 30nm

Sold in packs of 10.

Spring contant: 2 N/m

Resonant frequency: 70 kHz

Technical Data

Cantilever Specifications
Parameter	Nominal	Range
Spring constant (N/m)	2	0.5 - 3.5
Resonant frequency (kHz)	70	45 - 80
Shape	Rectangular
Length (µm)	225	223 - 227
Width (µm)	30	29 - 31
Thickness (µm)	2.5	2.0 - 3.0
Material	Silicon (n-type, Antimony)
Resistivity (Ωcm)	0.2	0.015 - 0.025
NB. Nominal values for spring constants and resonant frequencies are calculated using well known formulae and based on expected probe dimensions. The ranges are calculated using measured dimensions.

Tip Specifications
Parameter	Nominal	Range
Radius (nm)	18	< 30
Height (µm)	6	5 - 8
Set back (µm)	7.5	6.5 - 8.5
Shape	Conical
Cone Angle (°)	25	15 - 40
Material	Silicon (n-type, Antimony)
Resistivity (Ωcm)	0.02	0.015 - 0.025

Coating

Frontside/Tip

5nm Ti
40nm Pt

Backside/Reflective

5nm Ti
4nm Pt

Delivery & Returns

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PRICE & AVAILABILITY: Please note that while we are working closely with our suppliers to minimise any global supply chain issues, prices and availability may be subject to change at short notice.