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Digital Twins for ALD Processes Researcher

Project Description:

The Chemical Sciences Division of the National Institute of Standards and Technology (NIST) is seeking a postdoctoral researcher to join a multi-disciplinary team of scientists working on advanced modeling of atomic layer deposition (ALD) processes. The project will develop a suite of in situ metrology tools to quantify mass transport processes occurring during thermal ALD. Metrology data will support the development of computational fluid dynamics (CFD) and machine learning (ML) models of transport and surface reaction processes, with the ultimate goal of producing validated digital twins for thermal ALD processes. The project team includes experts in vapor phase deposition processes, in situ optical metrology, micro-electromechanical system (MEMS) design, numerical modeling, and machine learning. NIST maintains unique facilities for the development and application of fast and sensitive in situ diagnostics for vapor phase deposition processes. Multiple research-grade ALD systems dedicated to oxide, metal, and sulfide film deposition are available, as well as optical measurements spanning the UV and mid-IR wavelengths tailored for surface and gas-phase processes.

Key Responsibilities: 

  • Operate and maintain multiple ALD system and custom in situ optical setups
  • Perform temporally- and spatially-resolved optical measurements during ALD
  • Use and analyze optical process data to validate transport models
  • Publish findings in peer-reviewed scientific journals and presenting at conferences

Desired Qualifications: 

  • U.S. Citizen Preferred
  • Ph.D. or equivalent experience in chemistry, physics, materials science, or related field
  • Hands-on expertise in the design and assembly of research-grade ALD reactors 
  • Expertise in building and maintaining custom lab instrumentation
  • Expertise in vapor phase deposition processes such as ALD
  • Safe operation and maintenance of ALD systems
  • Operation of in situ process diagnostics, including custom optical setups
  • Knowledgeable in vapor transport mechanisms, precursor chemistry, and process development/optimization applicable to ALD
  • Strong written and oral communication skills
  • Ability to work as part of a team and independently

Other Details:

  • Full-time: the participant is expected to work 40 hours a week
  • Location: the participant will work at the NIST Gaithersburg Campus.
  • Duration: this is expected to be a one-year position. Extensions are sometimes granted depending on the availability of funds.