Jahn-Teller metals represent a distinct electronic state of matter driven by orbital degeneracy removal.
Jahn-Teller metals and related electronic states are well-established phenomena driven fundamentally by the removal of electronic orbital degeneracy through local lattice symmetry breaking.
The provided literature consistently supports the foundational physical chemistry and condensed matter physics principles of the Jahn-Teller effect, where orbital degeneracy leads to symmetry-breaking distortions that fundamentally shape electronic, structural, and transport states of matter.
H. A. Jahn, E. Teller. Stability of polyatomic molecules in degenerate electronic states - I—Orbital degeneracy. 1937. https://doi.org/10.1098/rspa.1937.0142
Establishes the foundational theoretical principle that electronic orbital degeneracy in polyatomic systems is unstable and removed via nuclear displacements (the Jahn-Teller effect).
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Restelli S, Cannelli O, Colonna N, Grova C, Usai P, Puppin M, Mensi M, Barantani F, Meng Y, Teyssier J, Oppermann M, Pennacchio F, Bacellar C, Rouxel JR, Leroy LD, Dogadov O, Ohannessian N, Pergolesi D, Galinetto P, Piekarz P, Ptok A, Chaudhary S, Fiete GA, Chergui M, Baldini E, Mancini GF. Ultrafast Formation of Jahn-Teller Polarons Revealed by State-Selective Excitation in Correlated Spinel Co<sub>3</sub>O<sub>4</sub>.. 2026. https://doi.org/10.1021/jacs.5c23346
Demonstrates that Jahn-Teller polarons and associated symmetry breaking fundamentally alter electronic and optical behavior in correlated transition metal oxides.
V. Perebeinos, T. Vogt. Investigation of the Jahn-Teller Transition in TiF3 using Density Functional Theory. 2003. https://doi.org/10.1103/PhysRevB.69.115102
Shows how lifting orbital degeneracy through correlation and symmetry breaking creates distinct insulating and orbitally ordered ground states (Jahn-Teller transitions).
Conradie J. Jahn-Teller Distortions in Pseudo-Octahedral Low-Spin Ni(III) Complexes With O,O or N,N Bidentate Ligands: A DFT Study.. 2026. https://doi.org/10.1002/jcc.70399
Confirms that open-shell transition metal complexes undergo structural distortions driven specifically by the removal of orbital degeneracy in frontier orbitals.
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