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luckyluke193 t1_jbzknt1 wrote

Reply to comment by loci_existentiae in How do the physical properties of the isotope Iron-54 differ from the more common Iron-56? by Colonel__Kernel

It's extremely rare to have qualitative changes in physical properties due to a change in isotopes. Normally, phase transformations occur at slightly different temperatures, and that's about it.

The only example I can think of is SrTiO3, which becomes ferroelectric at cryogenic temperatures when common oxygen 16 is replaced by the rarer oxygen 18.

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