☆ 4.3 Article

Ferroelectric properties of triglycine sulfate crystals doped with glycine analogs

JAPANESE JOURNAL OF APPLIED PHYSICS (2023)

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A Discussion on Chiral Structures in Alanine-doped Triglycine Sulfate Crystals

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Preferences of polarity and chirality in triglycine sulfate crystals by alanine ghost

Yukana Terasawa et al.

Summary: Triglycine sulfate (TGS) has excellent ferroelectric properties below the Curie temperature, despite being composed of achiral molecules. Doping with enantiomeric alanine can preferentially align the polarity of TGS, and even a small amount of alanine can induce chiral preferences in TGS crystals. By analyzing X-ray crystal structures, the correlation between polarity, chirality, and the presence of alanine ghost in LATGS and DATGS has been identified.

JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS (2021)

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Article Chemistry, Multidisciplinary