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Creators/Authors contains: "Savitzky, Benjamin H."

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  1. ; ; ; ; ; (, Materials Characterization)
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  2. ; ; ; ; ; ; ; ; ; ; et al (, Nature Materials)
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  3. ; ; ; ; ; ; ; (, Nanoscale)
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    Robust atomic-to-meso-scale chirality is now observed in the one-dimensional form of tellurium. This enables a large and counter-intuitive circular-polarization dependent second harmonic generation response above 0.2 which is not present in two-dimensional tellurium. Orientation variations in 1D tellurium nanowires obtained by four-dimensional scanning transmission electron microscopy (4D-STEM) and their correlation with unconventional non-linear optical properties by second harmonic generation circular dichroism (SHG-CD) uncovers an unexpected circular-polarization dependent SHG response from 1D nanowire bundles – an order-of-magnitude higher than in single-crystal two-dimensional tellurium structures – suggesting the atomic- and meso-scale crystalline structure of the 1D material possesses an inherent chirality not present in its 2D form; and which is strong enough to manifest even in the aggregate non-linear optical (NLO) properties of aggregates. 
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  4. ; ; ; ; ; (, Microscopy and Microanalysis)
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  5. ; ; ; ; ; ; ; ; ; ; et al (, Matter)
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  6. ; ; ; ; ; ; (, Nano Letters)
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  7. ; ; ; ; ; (, ACS Nanoscience Au)
  8. ; ; ; ; ; ; (, Proceedings of the National Academy of Sciences)