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Hole structures of polymers and zeolites probed by two-dimensional angular correlation of annihilation radiation

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Abstract

The two-dimensional angular correlation of annihilation radiation (2D-ACAR) technique has been developed to measure the hole structure of stretched and oriented polymers. The determination of polymer hole structure is demonstrated in a stretched semi-crystalline polyaryl-ether-ether-ketone (PEEK) sample. The atomic scale anisotropy is found to be consistent with the macroscopic scale stretch ratio. Applications of the 2D-ACAR method to image the three-dimensional hole, free-volume, and cavity structures of molecular systems are discussed.

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Authors and Affiliations

  1. Department of Chemistry, University of Missouri-Kansas City, 64110, Kansas City, Missouri, (USA)

    Y. Lou, Y. Rhee, H. L. Yen, Y. Gu, H. Cao, J. P. Yuan & Y. C. Jean

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  1. Y. Lou
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  2. Y. Rhee
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  3. H. L. Yen
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  4. Y. Gu
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  5. H. Cao
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  6. J. P. Yuan
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  7. Y. C. Jean
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Lou, Y., Rhee, Y., Yen, H.L. et al. Hole structures of polymers and zeolites probed by two-dimensional angular correlation of annihilation radiation. Journal of Radioanalytical and Nuclear Chemistry, Articles 211, 85–91 (1996). https://doi.org/10.1007/BF02036259

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  • DOI: https://doi.org/10.1007/BF02036259

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