General Specifications

type of instrument

cantilever based AFM/MFM with interferometric deflection detection

sensor head specifics

attoAFM I+ head feat. alignment-free cantilever holder, tip exchange in less than 2 minutes

alignment-free cantilever holder (default)

compatible with PointProbe® Plus XY-Alignment Series by Nanosensors

conventional cantilever holder (optional)

compatible with standard commercial cantilevers

Operation Modes

imaging modes

contact mode, non-contact mode, constant height, constant force

slope compensation

2 axis scan plane correction

z feedback

PI feedback loop for amplitude modulation (AM), phase modulation (PM) or frequency modulation (FM) using included PLL

incl. standard techniques

AFM, MFM

optional upgrades

MFM, KPFM, PFM, conductive-tip AFM

Resolution

measured RMS z-noise (constant force @ 4 K, 5 ms pixel time)

< 0.05 nm (expected), < 0.15 nm (guaranteed for PPMS without reliquefier (RL) / RL off; EverCool I/II off)

z deflection noise density

< 3 pm/vHz (dependent on laser system)

lateral magnetic resolution

< 20 nm (guaranteed for PPMS without reliquefier (RL) / RL off; EverCool I/II off)

z bit resolution @ 4 K

7.6 pm at 2 µm scan range

Sample Positioning

total travel range

3 x 3 x 2.5 mm³ (open loop)

step size

0.05..3 µm @ 300 K, 10..500 nm @ 4 K

fine scan range

30 x 30 x 4.2 µm³ @ 300 K, 15 x 15 x 2 µm³ @ 4 K

closed loop scanning

not compatible

sample holder

integrated heater calibrated temperature sensor

Suitable Operating Conditions

temperature range

1.5 K..300 K (dependent on cryostat); mK compatible setup available on request

magnetic field range

0..14 T (dependent on magnet)(16 T compatible version available on request)

operating pressure

designed for He exchange gas (vacuum compatible version down to 1E-6 mbar on request)

Suitable Cooling Systems

titanium housing diameter

23.9 mm

bore size requirement

designed for 1" (25.4 mm) cryostat/magnet bore size (e.g. PPMS)

compatible cryostats

see PPMS compatibility chart

Compatibility with Electronics

scan controller and software

ASC500 (for detailed specifications please see attoCONTROL section)

laser

LDM1300 laser/detector module (for detailed specifications please see attoCONTROL section)

Options and Upgrades

additional AFM head with manual alignment

conventional cantilever holder, compatible with standard commercial cantilevers