McQueen Lab

Discovering new phenomena through the design and synthesis of new materials

A New Power Electronics Substrate

Open Positions

• Always looking for interested and talented graduate/undergraduate students

News and Awards

• Updated Publications!
• Congratulations to Dr. Satya Kushwaha on his faculty position at UNT!
• Congratulations to Dr. Davor Tolj on his faculty position!
• Congratulations to Dr. Thomas Whoriskey on a successful defense!
• Updated Publications!
• Updated Publications!
• Congratulation to Dr. Peter Orban on a successful defense!
• Updated Publications!
• Congratulations to Dr. Gregory Bassen on a successful defense!
• Updated Publications!
• Welcome to new graduate student Kelly Chen!
• Welcome to new graduate student Han Xie!

Recent Publications (All Publications)

230. S.K. Kushwaha, A. Raihan, A.D. Kengne, D.J. Harrison, R. Shipra, Han Xie, E.N. Crites, A. Iwanicki, L.J. Meiler, S. Mahatara, M.A. Siegler, R.N. Gannon, S.R. Spurgeon, R. Kolagani, A.J. Thakur, S. Lany, P.E. Hopkins, J.L. McChesney, N. Haegel, T.M. McQueen, M.G. Spencer, M.V.S. Chandrahekhar
Enabling the Ambient Pressure Growth of ScB₂ Crystals for AlGaN Power Electronics
arXiv:2609.36493 (2026) [arXiv:2609.36493]

229. M.V.S. Chandrahekhar, D.J. Harrison, A.D. Kengne, R. Shipra, Han Xie, T. Jabin, M. Hendrix, E.A. Scott, R.S. Annam, S. Mahatara, E.N. Crites, A. Iwanicki, L.J. Meiler, M.A. Siegler, R.N. Gannon, S.R. Spurgeon, A. Giri, R. Kolagani, J.A. Burrow, S. Lany, P.E. Hopkins, T.M. McQueen, M.G. Spencer, S.K. Kushwaha
Scandium diboride: a semi-metallic, lattice, thermally matched substrate for vertical AlGaN power electronics
arXiv:2609.24856 (2026) [arXiv:2609.24856]

228. Y. Shi, L.J. Meiler, Q. Bai, B.W.Y. Redemann, A.J. Barbosa, I. McCue, T.M. McQueen, K. Sieradzki
Aqueous passivation of an Fe-based alloy containing two refractory metals
Accepted npj Mater. Degred. (2026)

Shorts About Our Work

• Three breakthoughs in superconductivity you should know about
• Materials, Quantum, AI: What's the buzz?
• Quantum Materials at the ACS Spring 2022 Opening Keynote (McQueen Starts at 52:00)
• Making Stuff: The PARADIM Bulk Crystal Growth Facility
• Researchers accidentally uncover new magnetic phenomenon (a story of materials discovery, see also phys.org)
• The Magic Shop (a story of materials creation)
• Beyond the Elements: Lighter, Cheaper, Tougher Stuff (Corresponding Feature)
• Extreme Materials Synthesis
• A Vision for the Future of Quantum Materials Synthesis
• The Potential Value and Frontiers of Quantum Materials
• The Promise of Quantum Materials (Lisa Pogue)
• Science: This is How We Do It (Lisa Pogue)
• Materials by Design for Dirac/Weyl Nanoelectronics (Technical Talk)
• Guided Materials Discovery and PARADIM Tour (Prof. McQueen, Lucas Pressley, Mekhola Sinha)
• Design of A New Freshman Chemistry Curriculum (Pedagogical Talk)