The Quantum-Gui Lab is currently accepting new graduate students. Apply here.
The Gui Lab - A Quantum Materials Group
Quantum materials are materials where electronic or magnetic properties originate from nontrivial quantum mechanics. Such materials are attractive not only due to their intriguing electron-electron interaction, which is a huge part of research in the field of condensed matter physics, but also vast potential applications and resulting economic benefits.
Our group focuses on rational design and synthesis of new quantum materials, such as superconductors, quantum frustrated magnets and magnetic topological materials etc., by bridging desired physical properties and chemical components of a solid-state system, e.g., crystal structure, chemical bonding and crystal defects. Moreover, connecting these new quantum materials with real-life applications (quantum computers, memory chips etc.) is another direction of our research. We utilize a variety of experimental techniques, such as solid-state synthesis, crystal growth, powder/single crystal X-ray diffraction, powder/single crystal neutron diffraction, magnetic properties/electrical transport/heat capacity measurements etc. together with density-functional theory (DFT) calculations to achieve our research goals.
Our research is strongly interdisciplinary between chemistry, physics and materials science and engineering. Anyone who is interested in making new solid-state quantum materials is welcome to join.
More information is available on our group website: https://www.quantum-gui.com/.
“ASb3Mn9O19 (A = K or Rb): New Mn-Based Two-Dimensional Magnetoplumbites with Geometric and Magnetic Frustration” Chen, J.; Calder, S.; Paddison, J. A. M.; Angelo, G, Klivansky, L., Zhang, J., Cao, H., Gui, X., Adv. Mater. 2025, 10, 2417906.
“Structural and magnetic properties of CoTeMoO6” Li, Y.; Coles, J.; Gui, X.; Park, H; Wu, Y.; Chen, X.; Chen, J.-H.; Wang, X.; Cao, H.; Stadler, S.; Chmaissem, O.; Young, D.; Rosenkranz, S.; DiTusa, J. Phys. Rev. B 2025, 111, 104434.
“Absence of Long-Range Magnetic Ordering in a Trirutile High-Entropy Oxide (Mn0.2Fe0.2Co0.2Ni0.2Cu0.2)Ta1.92O6−δ”, Angelo, G.; Klivansky, L.; Zhang, J.; Gui, X. Inorg. Chem. 2025, 64, 3196-3202.
“Unconventional Superconducting Phase Diagram of Monolayer WTe2.” Song, T.; Jia, Y.; Yu, G.; Tang, Y.; Uzan, A.J.; Zheng, Z.J.; Guan, H.; Onyszczak, M.; Singha, R.; Gui, X.; Watanabe, K.; Taniguchi, T.; Cava, R. J.; Schoop, L. M.; Ong, N. P.; Wu, S. Phys. Rev. Res. 2025, 7, 013224.
“Diamond Surface Functionalization via Visible Light-Driven CH Activation for Nanoscale Quantum Sensing.,” Rodgers, L.V., Nguyen, S.T., Cox, J.H., Zervas, K., Yuan, Z., Sangtawesin, S., Stacey, A., Jaye, C., Weiland, C., Pershin, A. and Gali, A.; Thomsen L.; Meynell, S. A.; Hughes L. B.; Bleszynski, J.; Gui, X.; Cava, R. J.; Knowles, R. R.; de Leon, N. Proc. Natl. Acad. Sci. 2024, 121, e2316032121
“Superconductivity–Electron Count Relationship in Heusler Phases-the Case of LiPd2Si.,” Górnicka, K.; Gui, X.; Chamorro, J.R.; McQueen, T.M.; Cava, R.J.; Klimczuk, T.; Winiarski, M.J. Chem. Mater. 2024, 36, 1870-1879
“Unconventional superconducting quantum criticality in monolayer WTe2,” Song, T.; Jia, Y.; Yu, G.; Tang, Y.; Wang, P.; Singha, R.; Gui, X.; Uzan, A.J.; Onyszczak, M.; Watanabe, K.; Taniguchi, T.; Cava, R. J.; Schoop, L. M.; Ong, N. P. and Wu, S. Nat. Phys. 2024, 20, 269-274
“Crystallographic Disorder and Strong Magnetic Anisotropy in Dy3.1Pt2.0Sb3.8,” Paske, T.; Guan, Y.; Wang, C.; Moore, C.; Mao, Z.; Gui, X. Inorg. Chem. 2024, ASAP
“Quasi-one-dimensional Pb 5 Re 3 O 15 : A 5 d realization of the Heisenberg antiferromagnetic spin-1/2 chain,” Powderly, K. M.; Zhang, Q.; Devlin, K. P.; Gui, X.; Ni, D.; Xie, W.; Cava, R. J. Phys. Rev. Materials 2023, 7, 114408
“Evidence for two dimensional anisotropic Luttinger liquids at millikelvin temperatures,” Yu, G.; Wang, P.; Uzan-Narovlansky, A. J.; Jia, Y.; Onyszczak, M.; Singha, R.; Gui, X.; Song, T.; Tang, Y.; Watanabe, K.; Taniguchi, T.; Cava, R. J.; Schoop, L. M.; Wu, S. Nat. Commun 2023, 14, 7025
“Disentangling Losses in Tantalum Superconducting Circuits,” Crowley, K.D.; McLellan, R.A.; Dutta, A.; Shumiya, N.; Place, A.P.M.; Le, X.H.; Gang, Y.; Madhavan, T.; Bland, M.P.; Chang, R.; Khedkar, N.; Feng, Y.C.; Umbarkar, E.A.; Gui, X.; Rodgers, L.V.H.; Jia, Y.; Feldman, M.M.; Lyon, S.A.; Liu, M.; Cava, R.J.; Houck, A.A.; de Leon, N.P. Phys. Rev. X 2023, 13, 041005
“Chemical Profiles of the Oxides on Tantalum in State of the Art Superconducting Circuits,” McLellan, R.A.; Dutta, A.; Zhou, C.; Jia, Y.; Weiland, C.; Gui, X.; Place, A.P.M.; Crowley, K.D.; Le, X.H.; Madhavan, T.; Gang, Y.; Baker, L.; Head, A.R.; Waluyo, I.; Li, R.; Kisslinger, K.; Hunt, A.; Jarrige, I.; Lyon, S.A.; Barbour, A.M.; Cava, R.J.; Houck, A.A.; Hulbert, S.L.; Liu, M.; Walter, A.L.; de Leon, N.P. Adv. Sci. 2023, 10, 2300921
“Magnetic Order and Crystallographic Disorder in Cu-Doped MnBi Crystals,” Angelo, G.; Philbrick, J.G.; Zhang, J.; Kong, T.; Gui, X J. Mater. Chem. C 2023, 11, 16509-16517. (Journal of Materials Chemistry C HOT Papers)
“Neutral Silicon Vacancy Centers in Undoped Diamond via Surface Control,” Zhang, Z.-H.; Zuber, J.A.; Rodgers, L.V.H.; Gui, X.; Stevenson, P.; Li, M.; Batzer, M.; Shields, B.J.; Edmonds, A.M.; Palmer, N.; Markham, M.L.; Cava, R.J.; Maletinsky, P.; de Leon, N.P. Phys. Rev. Lett. 2023, 130, 166902
“Electron doping of a double-perovskite flat-band system,” Jin, L.; Varnava, N.; Ni, D.; Gui, X.; Xu, X; Xu, Y.; Bernevig, B.A.; Cava, R.J. PNAS 2023, 120, e2218997120
“Spin disorder in a stacking polytype of a layered magnet,” Xu, X.; Cheng, G.; Ni, D.; Gui, X.; Xie, W.; Yao, N.; Cava, R.J. Phys. Rev. Materials 2023, 7, 024407
“Structure and properties of the Sr2In1-xSnxSbO6 double perovskite,” Jin, L.; Ni, D.; Gui, X.; Kong, T.; Moseley, D.H.; Hermann, R.P.; Cava, R.J. J. Solid State Chem. 2022, 314, 123355
“The honeycomb and hyperhoneycomb polymorphs of IrI3,” Ni, D.; Devlin, K.P.; Cheng, G.; Gui, X.; Xie, W.; Yao, N.; Cava, R.J. J. Solid State Chem. 2022, 312, 123240
“Metal-Insulator Transition and Anomalous Lattice Parameters Changes in Ru-doped VO2,” Gui, X.; Cava, R. J. Phys. Rev. Materials 2022, 6, 075005
“LaIr3Ga2: A Superconductor based on a Kagome Lattice of Ir,” Gui, X.; Cava, R. J. Chem. Mater. 2022, 34, 2824-2832
“Ferromagnetic Cr4PtGa17: A Half-Heusler-Type Compound with a Breathing Pyrochlore Lattice,” Gui, X.; Feng, E.; Cao, H.; Cava, R. J. J. Am. Chem. Soc. 2021, 143, 14342-14351
“Magnetic transitions in the 1-D chain compounds NdPd5Ge3 and NdPt5Ge3,” Gui, X.; Cava, R. J. J. Phys. Condens. Matter 2021, 33, 435801
“Crystal Structure, Magnetic Properties and Bonding Analysis of M3Pt23Ge11 (M=Ca, Sr, Ba and Eu),” Gui, X.; Cava, R. J. J. Solid State Chem. 2021, 303, 122486
“Spin Reorientation in Antiferromagnetic Layered FePt5P,” Gui, X.; Marshall, M.; Dissanayaka Mudiyanselage, R.S.; Klein, R.A.; Chen, Q.; Zhang, Q.; Shelton, W.; Zhou, H.; Brown, C.M.; Cao, H.; Greenblatt, M.; Xie, W. ACS Appl. Electron. Mater. 2021, 3, 3501-3508
“Chemistry in Superconductivity,” Gui, X.*; Lv, B. *; Xie, W. * Chem. Rev. 2021, 121, 2966-2991
“Chemical Bonding Governs Complex Magnetism in MnPt5P,” Gui, X.; Klein, R.; Brown, C. M.; Xie, W. Inorg. Chem. 2021, 60, 87-96
“A Novel Magnetic Material by Design: Observation of Yb3+ with Spin-1/2 in YbxPt5P,” Gui, X.; Chang, T.-R.; Wei, K.; Daum, M. J.; Graf, D. E.; Baumbach, R. E.; Mourigal, M.; Xie, W. ACS Cent. Sci. 2020, 6, 2023-2030
“Design and Synthesis of a New Layered Rare-Earth-Free Ferromagnet: MnPt5As,” Gui, X.; Xie, W. Chem. Mater. 2020, 32, 3922-3929
“Superconductivity in Metal-Rich Chalcogenide Ta2Se,” Gui, X.; Górnicka, K.; Klimczuk, T.; Xie, W. Inorg. Chem. 2020, 59, 5798-5802
