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Postdoctoral Research Associate – Grazing-incidence Scattering Modeling

Job ID JR100664 Date posted 11/28/2023

ORGANIZATION OVERVIEW

The Center for Functional Nanomaterials (CFN) at Brookhaven is a DOE-funded national scientific user facility, offering users a supported research experience with top-caliber scientists and access to state-of-the-art instrumentation. The CFN mission is advancing nanoscience through frontier fundamental research and technique development and is the nexus of a broad collaboration network. Each year, CFN staff members support the research of nearly 600 external facility users.

Three strategic nanoscience themes underlie the CFN scientific facilities: The CFN conducts research on nanomaterial synthesis by assembly designing precise architectures with targeted functionality by organizing nanoscale components.  The CFN researches and applies platforms for state-of-the-art techniques for Accelerated Nanomaterial Discovery, integrating synthesis, advanced characterization, physical modeling, and computer science to iteratively explore a wide range of material parameters. The CFN develops and utilizes advanced capabilities for studies of Nanomaterials in Operando Conditions for characterizing materials and reactions at the atomic scale in real-world environments.

POSITION DESCRIPTION

The CFN is seeking an exceptional postdoctoral researcher to develop new grazing-incidence x-ray scattering measurement and modeling methods for the study of nanofabricated patterns. In this position, you will develop and test new measurement modes, advance data modeling methods, and validate the use of grazing-incidence measurements for nanostructures, as part of a broader project to develop next-generation resists for extreme ultraviolet lithography (EUVL). You will develop modeling for grazing-incidence (GISAXS) and grazing-transmission (GTSAXS) measurement modes, and correlate these against critical dimension transmission (CD-SAXS) measurements to yield a new GI techniques (CD-GISAXS and CD-GTSAXS) suitable for the study of nanostructures. You will work under the supervision of Dr. Kevin Yager and collaborate with a broad range of researchers at CFN and NSLS-II.

Essential Duties and Responsibilities:

In this role, you will have these roles and responsibilities:

  • You will conduct grazing-incidence scattering experiments, including data collection on labscale tools and synchrotron beamlines, GI simulation/modeling, and data fitting.
  • You will develop and validate quantitative GI modeling methods for measuring lithographic structures and deploy this understanding to yield new x-ray techniques.
  • You will research and develop frontier analysis methods, such as machine-learning approaches, for advanced integration of x-ray scattering data.
  • You will collaborate with researchers possessing a broad range scientific expertise and interests in lithography, x-ray scattering, and adjacent fields.

POSITION REQUIREMENTS

Required Knowledge, Skills, and Abilities:

You are qualified for this role if:

  • You have earned a Ph.D. in physics, electrical engineering, material science, chemistry, chemical engineering, or a related discipline within the past five years, or will complete this degree prior to starting the position;
  • You have hands-on experience conducting grazing-incidence synchrotron scattering experiments and data fitting;
  • You are skilled with Python-based scientific programming;
  • You have demonstrated an ability to communicate effectively by writing scientific papers and giving technical presentations;
  • You are committed to fostering an environment of safe scientific work practices.

Preferred Knowledge, Skills and Abilities:

You are well-matched to this position if: 

  • You have extensive knowledge of x-ray reflectivity, grazing-incidence modeling (waveguiding, DWBA, etc.), and related concepts;
  • You have experience with machine-learning methods.

OTHER INFORMATION:

  • This is a 2 year Postdoc Assignment.
  • BNL policy requires that after obtaining a PhD, eligible candidates for research associate appointments may not exceed a combined total of 5 years of relevant work experience as a postdoc and/or in an R&D position, excluding time associated with family planning, military service, illness or other life-changing events.

Brookhaven Laboratory is committed to providing fair, equitable and competitive compensation. The full salary range for this position is $68,400.00 - $113,250.00/year. Salary offers will be commensurate with the final candidate’s qualification, education and experience and considered with the internal peer group.

Brookhaven National Laboratory and the Energy and Photon Sciences Directorate are committed to your success. We offer a supportive work environment and the resources necessary for you to succeed.

Brookhaven employees are subject to restrictions related to participation in Foreign Government Talent Recruitment Programs, as defined and detailed in United States Department of Energy Order 486.1A. You will be asked to disclose any such participation at the time of hire for review by Brookhaven. The full text of the Order may be found at: https://www.directives.doe.gov/directives-documents/400-series/0486.1-BOrder-a/@@images/file

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