AFM Probes » S-MFMR

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Quantity
S-MFMR-10 Box of 10 AFM Probes
$615.00
S-MFMR-50 Box of 50 AFM Probes
$2 430.00
You save 645.00 USD or 21.00% with this box

S-MFMR

Soft Magnetic, Medium Momentum AFM Probe

Coating: Magnetic
Tip shape: Standard
Cantilever:
F 75 kHz
C 2.8 N/m
L 225 µm
*nominal values

NanoWorld Pointprobe® S-MFMR AFM probes are designed for the measurement of magnetic domains in soft magnetic samples. Due to the low coercivity of the soft magnetic tip coating the magnetisation of the tip will easily get reoriented by hard magnetic samples.

All SPM and AFM probes of the Pointprobe® series are made from monolithic silicon which is highly doped to dissipate static charge. The tip is shaped like a polygon based pyramid.

Additionally, this sensor offers unique features:

  • soft magnetic coating on the tip side (coercivity of app. 0.75 Oe, remanence magnetization of app. 225 emu/cm3)
  • effective magnetic moment 0.75x of standard probes
  • excellent tip radius of curvature
  • magnetic resolution better than 35 nm
Soft Magnetic Coating / Aluminum Reflex Coating

The soft magnetic coating consists of a thin soft magnetic layer deposited on the tip side of the cantilever. The coercivity is app. 0.75 Oe and the remanence magnetization is app. 225 emu/cm3 (these values were determined on a flat surface). We recommend magnetizing the tip by means of a strong magnet (e.g. a NdFeB magnet, a few millimeters in size) prior to the measurement.

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. As the coating is almost stress-free the bending of the cantilever due to stress is less than 2 degrees.

AFM Tip:

  • AFM Cantilever:

  • Beam
  • 225 µm (220 - 230 µm)*
  • 28 µm (22.5 - 32.5 µm)*
  • 3 µm (2.5 - 3.5 µm)*
  • 2.8 N/m (1.2 - 5.5 N/m)*
  • 75 kHz (60 - 90 kHz)*
  • * typical range This product features alignment grooves on the back side of the holder chip.

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