Center for the Advancement of Topological Semimetals (CATS)


Robert McQueeney

Lead Institution

Ames Laboratory




To discover and understand new magnetic topological materials that host quantum phenomena and functionality for future applications in computing, spin-based electronics, and sensing.

Research Topics

optics, thermal conductivity, charge transport, topological states, magnetism and spin physics, materials and chemistry by design, synthesis (novel systems), synthesis (predictive)

Systems Studied

Systems: semiconductor, metal, optoelectronic and metamaterial

Interfaces: solid/solid

Nanostructured: 3D

Experimental and Theoretical Methods

X-ray diffraction and scattering, neutron diffraction and scattering, electron microscopy, scanning probe microscopy, near-field microscopy, surface science, ultrafast science, high-throughput screening methods, density functional theory (DFT), monte carlo (MC)

Partner Institutions

  • Ames Laboratory
  • Argonne National Laboratory
  • Harvard University
  • Los Alamos National Laboratory
  • Massachusetts Institute of Technology
  • University of California, Santa Barbara
  • University of Waterloo 

BES Staff Contact

Michael Pechan, Matthias Graf, Athena Sefat