ArticleNano letters2026
Raman and Terahertz Spectroscopy of Low-Frequency Chiral Phonons in Amino Acids.
Article in Nano letters, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Chiral Microneedle Arrays With Terahertz Chiroptical Activity With Chiral-Plasmon-Chiral-Phonon Resonance.Advanced materials (Deerfield Beach, Fla.) · 2026Article
- Coupled ferroelectricity and phonon chirality.Nature communications · 2026Article
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Authors and funding
9 authors.
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Abstract
Chiral phonons are mirror-symmetric vibrations with nonzero angular momenta that correspond to twisting and rotational motions of multiple atoms. In chiral crystals, these include low-energy terahertz (THz)-range vibrations of the molecular segments involving dozens of atoms with energies sensitive to molecular chirality. Here, we present spectral signatures of chiral phonons in circularly polarized Raman optical activity (ROA) spectra from enantiomers of amino acid crystals. Along with complementary THz circular dichroism (TCD) measurements, our ROA data reveal several vibrational bands in enantiomers of valine, alanine, tyrosine, and proline between 30 and 150 cm
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