AND/R: Advanced neutron diffractometer/reflectometer for investigation of thin films and multilayers for the life...

Area of Science:

• Materials Science
• Neutron Scattering
• Biophysics

Background:

• Structural characterization of biological thin films and multilayers is crucial for understanding biological processes.
• Existing neutron scattering techniques may have limitations in versatility and resolution for complex biological systems.

Purpose of the Study:

• To introduce and describe the Advanced Neutron Diffractometer/Reflectometer (AND/R) instrument.
• To highlight the capabilities of AND/R for structural analysis of biological materials.
• To showcase the instrument's performance in various operating modes.

Main Methods:

• Commissioning of the Advanced Neutron Diffractometer/Reflectometer (AND/R) at the National Institute of Standards and Technology Center for Neutron Research.
• Utilizing elastic neutron scattering techniques.
• Performing specular and nonspecular reflectivity measurements.
• Conducting crystalline and semicrystalline diffraction analyses up to 2.20 Å(-1) wave-vector transfer.

Main Results:

• The AND/R instrument has been successfully commissioned and is operational.
• The instrument demonstrates flexibility in measuring both reflectivity and diffraction.
• Performance characteristics across different operating modes have been evaluated.

Conclusions:

• The AND/R is a versatile neutron scattering instrument optimized for the structural characterization of biological thin films and multilayers.
• This instrument significantly enhances the capabilities for studying biological materials at the nanoscale.
• The AND/R is a key asset for the Cold Neutrons for Biology and Technology partnership.