Hi all. I know that crystal field splitting occurs in octahedral complexes in magnetic materials. However, I'm unsure whether crystal field splitting depends on temperature. Can crystal field splitting in these materials occur at room temperature?
Bruno Alho
Yes, crystal field splitting is dependent of temperature and external parameters such as pressure.
This is clear in spin crossover compounds which may experience a spin transition from a low spin to high spin state (Check image and ref. SCO materials). That transition is due to the change with temperature on crystal field splitting of the t2g and eg states. This transition is also highly dependent on applied pressure.
Check: https://www.magnetism.uerj.br/index.php/research/
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