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 TOOLS & INSTRUMENTS

Focused Ion Beam Scanning Electron Microscope (Helios 660)
    
  Thermo Fisher Helios 660 FIB SEMMML/MMSD (Div643) Helios 660 Focused Ion Beam Scanning Electron Microscope
  
      The Helios 660 NanoLab (HNL660) is a Focused Ion Beam Scanning Electron Microscope equipped with spectroscopic detectors to allow elemental and phase measurements to be performed at high spatial resolution. The HNL660 operates between 1 keV and 30 keV electron beam energy and 2 kV and 30 kV ion beam accelerating voltage. The HNL660 has an Elstar thermal (Schottky) field emission electron source and a Tomahawk ion column using a Ga+ liquid metal ion source. It is used for a variety of applications such as 2D and 3D chemical imaging of organic and inorganic samples at room temperature and under cryogenic conditions, transmission electron microscopy and atom probe tomography specimen preparation, and automated hyperspectral x-ray microanalytical method development. The HNL660 is also equipped with retractable STEM detector, cryo stage, nano manipulator, multiple gas injection systems, two EDS detectors (windowed and windowless), and an EBSD system.

Specifications/Capabilities
      
                          * up to 30 keV electron beam energy
* up to 30 keV ion beam energy and 60 nA ion beam current
* 5-axis stage
* silicon drift detectors (30 mm^2)
* windowless silicon drift x-ray detector  (100 mm^2)
* high resolution electron backscatter diffraction system
* cryo stage and sample preparation system
* nano-manipulator system for TEM sample prep
* scanning transmission electron microscopy detector
* Everhardt-Thornley detector, through-the-lens detector, in-column backscattered electron detectors, ICE detector

Scientific Opportunities/Applications
      
                          * nanofrabrication
* 2D & 3D phase, elemental, and morphological analysis
* 2D & 3D cryo analysis of organic and polymeric samples
* nanostructure and nanoparticle imaging and analysis
* TEM and APT specimen preparation
              Usage Information
        
Access Information
                                Individual collaborative projects to address NIST measurement needs are possible when the work is consistent with the Materials Measurement Science Division mission space. Contact Keana Scott to discuss possible collaborations.
              Bioscience, Chemistry, Environment, Materials and Nanotechnology
  
            Organizations
      
      NIST HeadquartersLaboratory ProgramsMaterial Measurement LaboratoryMaterials Measurement Science DivisionMicroscopy and Microanalysis Research Group
              Details
          Campus
                    Gaithersburg
              Contact
      
        

Keana C. K. Scott
    
      
  keana.scott@nist.gov
  (301) 975-4579
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    Created October 21, 2011, Updated April 3, 2023
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