The Cryogen-free Measurement System. CryoAdvance, Inc.

LTLab, Inc.



CryoScan2200
  • Scanning probe microscopy in the 1.8 - 350 K temperature range
    Sample in helium, nitrogen gas or in vacuum

New possibilities for the study of surface morphology and local properties with subnanometer space resolution

Probe microscopy parameters

System for precise scanning

Scanner FSS-3:

Scanning range – up to 3 μ.

Step discrete – 0.01 nm.

Scanning rate max. – 30 Hz.

Typical thermal drift – less than 0.1 nm/sec.

Scanner FSS-15:

Scanning range – up to 15 μ.

Step discrete – 0.03 nm.

Scanning rate max. – 30 Hz.

Typical thermal drift – less than 1 nm/sec.

Sample orientation – horizontal.

Sample size – up to 10 mm in diameter and 5 mm in height.

Probe-sample approach – truly vertical (no lateral shift).

Initial probe-sample approach – 4 mm by step motor.

Probe vertical displacement discrete during initial approach – 30 nm.

Scanning tunneling microscopy mechanical head

STM modes: constant height, constant mode, spectroscopy, nanolithography.

I(U) and I(Z) dependencies in selected regions.

Resolution atomic on graphite.

Tunneling current – 50 pA - 50 nA.

Bias voltage range ±10 V.

Atomic force microscopy head

AFM modes: constant force, constant current, friction.

Resolution atomic on mica.

Measurements in resonant modes.

Nanolithography.

Magnetic force microscopy mechanical head

Interleave and lift modes for contact and resonance modes.

Force sensitivity – up to 10-11 N.

Single magnetic domains space resolution.

Cantilevers with different magnetic coatings.

Simultaneous acquisition of topography and magnetic profile data.

Electronic control unit

12 DAC (16 bit, 10 sec), 2 - 8 channels ADC (16 bit, 10 sec). DSP digital feedback. Embedded direct frequency synthesizer (0.01 Hz - 10 MHz).

Software

Microscope control software (master software) and data analysis software (client software) for Windows XP.

Master software – local or remote control (network, Internet).

Client software – local or remote real-time data acquisition, variety of filters, mathematical functions and algorithms for data analysis and 3D imaging.

Single Master and Multiple Clients operation. Embedded chat of intercommunication.

Technical parameters of cryogenic system

Temperature interval, K

1.8 - 350

Sample space diameter, mm

40

Helium reservoir, L

2.2 or 4.2

Nitrogen reservoir, L

2.5 or 3.5

Temperature stability in the interval 4 - 50 K, K*

±0.05

Temperature stability in the interval 50 - 300 K, K

±0.1

Cooling down time (to 4.2 K), min

30

Helium consumption for 4.2 K cooling down, L

1.4

Sample change time, min

5

Helium consumption at 4.2 K, L/hour

< 0.1

Operation time at 1.8 K, hours

About 6

Cryostat dimensions, mm

Diameter

200

Height

750

Weight of system, kg

12

* - Temperature regulation system tSTAT335 is strongly recommended.

Copyright © 2006 CryoAdvance, Inc. All Rights Reserved