Calculations find a hidden chiral ferroelectric R3 ground state in silver niobate with natural optical activity comparable to quartz.
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cond-mat.mtrl-sci 2years
2026 2verdicts
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First-principles calculations map the effect of individual infrared-active phonon modes on the magnetic exchange parameters of Y3Fe5O12 via changes in Fe-O-Fe geometry.
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The hidden ferroelectric chiral ground state of silver niobate
Calculations find a hidden chiral ferroelectric R3 ground state in silver niobate with natural optical activity comparable to quartz.
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Phonon-driven tuning of exchange interactions in Y3Fe5O12
First-principles calculations map the effect of individual infrared-active phonon modes on the magnetic exchange parameters of Y3Fe5O12 via changes in Fe-O-Fe geometry.