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SUMMARY:Understanding Crystal Chemistry to Discover Ternary Nitride Magnets
LOCATION:Chemistry A101
TZID:America/Denver
DTSTART:20260825T160000
UID:2026-09-24-12-57-49@natsci.colostate.edu
DTSTAMP:20260924T125749
Description:Seminar Abstract:\n\n\nEfforts have increased towards the disco
 very of rare-earth-element (REE)-free permanent magnet materials due to th
 e need for more sustainable alternatives to conventional REE-based magnets
 . However\, the origins of permanent magnetism in transition-metal (TM)-ba
 sed magnets remain largely unknown. Antiperovskite ternary nitrides\, with
  the general formula M3AN\, are a family of TM-based permanent magnets th
 at offer promising insight. When M is an early transition metal\, such a
 s Fe or Mn\, and A is a later transition metal or metalloid\, such as Ge
 \, Ga\, or Sb\, the crystal and magnetic structures are strongly dependent
  on the tunable nitrogen stoichiometry. Their complex magnetic behavior ar
 ises from frustrated M-M interactions within a kagome lattice\, with nitr
 ogen loss inducing additional structural and magnetic complexity. Here we 
 investigate the influence of nitrogen stoichiometry on the structure and p
 roperties of three manganese ternary nitrides\, with the aim of further un
 derstanding REE-free magnetism. 4:00 pm
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