Alannah Hallas

Assistant Professor

Department of Physics & Astronomy

Current Projects

  • Design and crystal growth of new quantum materials
  • Structural and magnetic properties of high entropy oxides
  • Magnetic frustration in the local to itinerant crossover
  • Multipolar interactions in rare earth magnets
  • Topological semimetals with strong spin-orbit coupling

Selected Publications

  1. Solveig S. Aamlid, Mohamed Oudah, Jörg Rottler, Alannah M. Hallas. Understanding the role of entropy in high entropy oxides. J. Am. Chem. Soc. 145, 11, 5991-6006 (2023).
  2. Graham H.J. Johnstone, Mario U. González-Rivas, Keith M. Taddei, Ronny Sutarto, George A. Sawatzky, Robert J. Green, Mohamed Oudah, Alannah M. Hallas. Entropy engineering and tunable magnetic order in the spinel high-entropy oxide. J. Am. Chem. Soc. 144, 45, 20590-20600 (2022).
  3. Sam Mugiraneza, Alannah M. Hallas. Tutorial: a beginner’s guide to interpreting magnetic susceptibility data with the Curie-Weiss law. Commun Phys 5, 95 (2022).
  4. Dalmau Reig-i-Plessis, Alannah M Hallas. Frustrated magnetism in fluoride and chalcogenide pyrochlore lattice materials. Phys. Rev. Materials 5, 030301 (2021).
  5. Alannah M. Hallas, Jonathan Gaudet, Bruce D. Gaulin. Experimental insights into ground-state selection of quantum XY pyrochlores. Annu. Rev. Condens. Matter Phys. 9, 105 (2018).