spin-state transition

https://doi.org/10.1351/goldbook.S05877
An electronic transition from a high-spin state to a low-spin state, or vice versa. Example: With an increase in temperature Co3+ ions in LaCoO3 transform from a low-spin state (t2g6eg0) to the high-spin state (t2g4eg2).
Source:
PAC, 1994, 66, 577. (Definitions of terms relating to phase transitions of the solid state (IUPAC Recommendations 1994)) on page 591 [Terms] [Paper]
Citation: 'spin-state transition' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.S05877 RIS BibTex EndNote
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Last revised: February 24, 2014