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RAP opportunity at National Security Agency     NSA

Epitaxial Materials for Quantum Information Science


National Security Agency, Laboratory for Physical Sciences

opportunity location
36.01.00.C0514 College Park, MD 20740


name email phone
Christopher John Richardson 301-935-6426


The molecular beam epitaxy group at the Laboratory for Physical Sciences (LPS) is an interdisciplinary research team grounded in the physics of materials synthesis and device fabrication. Our team consists of materials scientists, electrical engineers, and physicists working to advance basic and applied research goals related to quantum information science and quantum materials. We are currently seeking self-motivated, hard-working, innovative post-docs for on-going projects with opportunities for advanced research in the following areas:

  • Epitaxial Josephson junctions:
  • Superconductor-semiconductor quantum information devices:
  • Epitaxial topological heterostructures

Candidates should have one or more of the following areas of expertise:

  • Molecular beam epitaxy of semiconductor, superconductor, or topological materials
  • Materials synthesis and characterization of semiconductor, superconductor, or topological materials
  • Prototype device or elementary circuit design & modeling combined with fabrication and cryogenic characterization experience

Post-doctoral researcher scientists will have full access to our well-equipped laboratory with 5 molecular beam epitaxy systems, a state-of-the-art clean room for device fabrication, advanced lithographic and microscopy tools, and extensive materials characterization capabilities including cryogenic testing into the millikelvin regime. LPS is in the Washington, DC Metropolitan area, located in College Park, MD, and part of the University of Maryland campus. Post-doctoral associates will benefit from our close relationship with UMD and active collaborations with academia and national laboratories.



  • C. J. K. Richardson, et. al., “Materials science for quantum information science and technology,” MRS Bulletin 45, 485 (2020).
  • C. J. K. Richardson, et. al., “Low-loss superconducting titanium nitride grown using plasma-assisted molecular beam epitaxy,” Journal of Applied Physics 127, 235302 (2020)
  • X.-Y. Liu, et. al., “Perfect strain relaxation in metamorphic epitaxial aluminum on silicon through primary and secondary interface misfit dislocation arrays,” ACS Nano 12, 6843 (2018).


key words
superconductor; semiconductor; topological; Josephson junction; molecular beam epitaxy; materials science; quantum information; quantum computing


Citizenship:  Open to U.S. citizens, permanent residents and non-U.S. citizens
Level:  Open to Postdoctoral and Senior applicants


Base Stipend Travel Allotment Supplementation
$86,335.00 $3,000.00
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