Anomalous neutron scattering and the question of ferroelectricity in 6Li(N2H5)SO4

Anderson, M.R.; Brown, I.D.

doi:10.1107/S0567739472001706

Anomalous neutron scattering and the question of ferroelectricity in ⁶Li(N₂H₅)SO₄

The mechanism of the supposed ferroelectric switching in crystals of ⁶Li(N₂H₅)SO₄ was examined by studying the effect of the anomalous scattering of neutrons from ⁶Li on the structure factors of Bijvoet pairs both before and after ferroelectric switching. The absence of any observable change confirms the results of Schmidt, Drumheller & Howell [Phys. Rev. (1971). B12, 4582] that Li(N₂H₅)SO₄ is not ferroelectric.

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Anomalous neutron scattering and the question of ferroelectricity in 6Li(N2H5)SO4

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Anomalous neutron scattering and the question of ferroelectricity in ⁶Li(N₂H₅)SO₄