ASYMFM.SMPL

805.ASYMFM.SMPL

Sampler pack of all five ASYMFM probe varieties for Magnetic Force Microscopy (MFM), two probes of each. Each pack contains 10 probes in total.

Ideal for finding the best MFM probe for your research if the standard variety may not work.

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DESCRIPTION

f = 75 kHz | k = 2.8 N/m | tip coatings: CoCr, CoPt/FePt, permalloy

Two each of the: standard, high coercivity, low coercivity, high moment, and low moment ASYMFM line of probes, supplied in a single 10-probe pack.

Pick this sampler pack if you are new to MFM, or if you suspect your sample needs a probe with modified characteristics and you are not yet sure which. The standard ASYMFM-R2 addresses most applications well; however the four variants shift magnetic moment and coercivity low and high, so you can test each one on your own sample before committing to a full pack.

 

Pack contents:

Pack Position

Probe Type

Coercivity

Moment

Tip and reflective coating

 

Veeco/Bruker equivalent 

 

1 + 6

ASYMFM-R2 (standard)

~400 Oe

~1e-13 EMU

50 nm CoCr

MESP

2 + 7

 ASYMFM.HC-R2 (high coercivity)

 ~5000 Oe

 -

30 nm CoPt/FePt 

 MESP-HC

3 + 8

ASYMFM.LC-R2 (low coercivity)

~10 Oe

~1e-13 EMU

30 nm permalloy

MESP-LC

4 + 9

ASYMFM.HM-R2 (high moment)

~575 Oe

~3e-13 EMU

100 nm CoCr

MESP-HM

5 + 10

ASYMFM.LM-R2 (low moment)

<~400 Oe

~3e-14 EMU

15 nm CoCr

MESP-LM 

 

 

Variety

 

Best suited to:

STANDARD

General and all-around MFM. The right starting point for most samples.

HIGH COERCIVITY

MFM under an applied external field, where the tip must resist remagnetization.

LOW COERCIVITY

MFM in an applied field, where the tip should follow the field rather than resist it.

HIGH MOMENT

MFM on weakly magnetic samples where maximum signal strength is needed.

LOW MOMENT

Higher resolution MFM and/or where a standard tip's field would disturb the sample's magnetization.

 

All five varieties share the same base probe: a silicon probe with a visible tip apex, nominal 75 kHz resonant frequency and 2.8 N/m spring constant. Only the magnetic coating differs. Full specifications for each variety are given on its own product page.

 

 

 

TECHNICAL INFORMATION

  • ASYMFM.SMPL Specifications
  • Frequency (kHz):
    75.0
  • Max Frequency (kHz):
    100.0
  • Min Frequency (kHz):
    50.0
  • Spring Constant (N/m):
    2.8
  • Max Spring Constant (N/m):
    5.8
  • Min Spring Constant (N/m):
    1.42
  • Tip Radius (nm):
    32.00 to 47.00 (varies by coating)
  • Tip Height (nm):
    12.5
  • Max Tip Height (nm):
    18.0
  • Min Tip Height (nm):
    10.0
  • Length, Width, Thickness (µm):
    240 x 35 x 3
  • Tip Shape:
    Rectangular, 3 sided
  • Tip Material:
    Silicon
  • Tip Coating:
    CoCr, CoPt/FePt, Permalloy
  • Reflective Coating:
    CoCr
  • Manufacturer:
    Oxford Instruments
  • Length:
    240.0

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