Fermi DryCool SPM
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Fermi DryCool™ SPM scientaomicron ■ Unlimited measurement time ■ No helium consumption ■ Independent tip and sample temperature control (<10K to 400K) ■ Superior drift performance ■ Picometer stability for long-term spectroscopy ■ STM and advanced spectroscopy ■ Scienta Omicron QPIus AFM technology

The Fermi DryCool™ SPM combines a cryogen-Free cooling system with a state-of-the art SPM head for high resolution STM and QPlus imaging and spectroscopy in UHV for extended operations at low (<10K) and variable temperatures. The highest performing scanning probe microscopes have historically been cooled with LHe, Given the steadily increasing price of LHe, the safety concerns related to the handling of cryo-gens, and the desire for extended (months-long) low temperature operation, Scienta Omicron has integrated an alternative cooling method into our SPM's. Our unique DryCool™ technology...

Fig. 4 (insert): QPlus sensor Fig. 5 (left): Atomically resolved NaCI(lOO). Fig. 6 (right): Topography of a Si(lll) 7x7 reconstructed surface. The Fermi DryCool™ SPM employs the Scienta Omicron leading QPlus AFM technology. An essential part of successful Qplus AFM operation is the sensor construction technology. Scienta Omicron has long been the recognized leader in providing the highest quality, most reliable Qplus AFM sensor technology, We have now developed an advanced, automated manufacturing process that ensures high yield sensors with sharp resonance frequencies and high...

Wobble stick Sample plate The distinctive tip exchange mechanism of the Fermi DryCool™ SPM keeps the sample at low temperature while the tip is quickly and safely exchanged. The wobble stick moves STM tips or QPlus AFM sensors from the carousel to the loading stage. Loading on to the scanner uses a bayonet locking mechanism and takes just seconds. This design ensures that there is no risk to damage the scanner during the exchange process,

The Fermi DryCool™ SPM is mounted on a small DN100 flange offering a compact and cost effective platform for low temperature SPM. The in-vacuum l/V converter provides superior signal to noise, low tunnelling currents and spectroscopy. The internal spring suspension with eddy current damping ensures unparalleled vibration isolation. Thermal shields maintain tip and sample at the same temperature, guaranteeing low thermal drift. Large thermal shield door enables quick and easy tip or sample exchange. The sample can remain in place at low temperature during tip exchange, A compact scanner...

The Fermi DryCool™ SPM is a compact and cost effective solution for UHV SPM in a temperature range from 10 K to 400 K. The compact design with closed cycle cryostat and thermal shields keeps the tip and sample at the same temperature during experiments. This guarantees low thermal drift and makes the Fermi DryCool™ SPM an ideal and cost effective solution for imaging, tunnelling spectroscopy and atom manipulation experiments. Due to the unique design of the SPM head the temperature of the tip and the sample can be fixed independently from each other. It includes in-situ tip exchange, sample...

Rigid frame for closed-cycle cooler support and isolation. Guided alignment provides an easy and safe conversion between cooling and bake-out position for the cooler. Closed cycle cooler in cooling position. Initial damping stage to eliminates all major mechanical vibrations closed-cycle cooler, 2nd damping stage eliminates residual mechanical and thermal noise induced by the closed-cycle cooler, Seperate, gated analysis and preparati-on chamber provide system flexibility. Proven fast entry lock design offers expansion capabilities. Eight position storage carousel for tips, probes and...

America Europe & Africa Asia & Australia Technical Data The DryCool™ Fermi provides all the benefits of conventional low-temperature SPM's without their disadvantages. Measurement modes: • STM • STS • nc-AFM (QPIus) Temperature: • Temperature range: T = 10-400 K • Tip and sample temperature can be set independent from each other Drift: • x/y/z drift: <0.5A/h (typical <0.2A/h) Stability: • z-stability <2pm (typical <1.5pm) Cryostat: • Closed cycle cryostat cooled by a Gifford McMahon cooler Scan range: • at room temperature: 2.9|um x 2.9|um x 0.9|um • at base temperature: 0.8|um x 0.8|um x...