Image of the Month: October 2014

PanScan Freedom-LT Helium Free – Closed Cycle Cryostat Scanning Probe Microscope

 

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Stability verification of RHK PanScan Freedom-LT STM showing no influence of cryostat operation on the Si(111) 7×7 atomic structure

 

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Drift verification of RHK PanScan Freedom-LT STM showing X,Y drift as low as 0.2Å/hour on the Si(111) 7×7 atomic structure at 18 K

 

RHK is proud to highlight the very low drift Si(111) 7×7 image acquired on our PanScan Freedom-LT SPM connected to a running Closed-Cycle Helium Cryostat.

The extreme stability of this microscope is demonstrated using a Si(111) 7×7 sample, showing both a high-level of isolation from the vibration of the Closed-Cycle Cryostat with the cryostat turned off in the lower half of the image and excellent drift performance as low as 0.2Å/hour.  A helium-free STM has been an elusive dream for the many researchers unable to secure a steady supply of affordable liquid helium.

RHK’s new helium-free PanScan Freedom-LT STM enables every researcher to run their SPM at cryogenic temperatures, endlessly, without the trouble and expense of liquid helium.

Credits: Dr. Byoung Choi, RHK Technology

Microscope: RHK PanScan Freedom-LT STM

Control System: RHK R9-STM and PMC100

Previous Showcases

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Image of the Month – August 2013

Microscope: RHK VT UHV STM/AFM Model UHV3500 Control System: RHK Technology SPM1000

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Image of the Month – July 2013

Microscope: RHK Technology VT UHV STM Model UHV300
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Image of the Month — June 2013

Microscope: RHK Technology VT UHV 7500 Scanning Tunneling Microscope (STM).
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Image of the Month — May 2013

Microscope: RHK LT PanScan-STM customized for light collection
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Image of the Month – April 2013

Microscope: RHK Technology UHV 7000
Control System: RHK Technology SPM 1000 Control System

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Image of the Month – March 2013

Microscope:RHK Technology UHV 7500
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Image of the Month – February 2013

Microscope: RHK Technology AFM/STM UHV 7500
Control System: RHK Technology SPM 1000 Control System

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Image of the Month – January 2013

Microscope: RHK Technology UHV 7000
Control System: RHK Technology SPM 1000 Control System

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Image of the Month – December 2012

Microscope: RHK Technology, Customized UHV7500 STM/AFM Control System: RHK Technology SPM1000

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Image of the Month: October 2012

Microscope: RHK Technology UHV 300 STM
Control System: RHK Technology SPM1000 Control System

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Image of the Month: September 2012

Microscope:RHK Technology UHV300
Control System: RHK Technology SPM 1000

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