attoAFM III
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Specifications
attoAFM III
General Specifications
type of instrument
tuning-fork based AFM with shear-force or standard detection
sensor head specifics
etched metal wires, etched or pulled optical fiber probes, STM tips, Akiyama probes
(also compatible with NaugaNeedles commercial tips)
Operation Modes
imaging modes
non-contact mode AFM, EFM, SGM
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
optional upgrades
AFM/STM mode
Resolution*
measured z-noise density
< 16 pm/√Hz
z bit resolution @ 4 K
7.6 pm at 2 μm scan range
Sample Positioning
total travel range
5 x 5 x 5 mm³ (open loop)
step size
0.05..3 μm @ 300 K, 10..500 nm @ 4 K
fine scan range
50 x 50 x 4.2 μm³ @ 300 K
30 x 30 x 2 μm³ @ 4 K
sample holder
ASH/QE/0 quick exchange sample holder and integrated heater with 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..15 T+ (dependent on magnet)
operating pressure
designed for He exchange gas (vacuum compatible version down to 1E-6 mbar on request)
Suitable Cooling Systems
titanium housing diameter
48 mm
bore size requirement
designed for a 2" (50.8 mm) cryostat/magnet bore
compatible cryostats
attoDRY1000/1100/2100
attoLIQUID1000/2000/3000/5000
Electronics
scan controller and software
ASC500 (for detailed specifications please see attoCONTROL section)
Options
sample holder upgrade
ASH/QE/4CX quick-exchange sample holder