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Rupasinghe TP, Hutchins KM, Bandaranayake BS, et al. Mechanical Properties of a Series of Macro- and Nanodimensional Organic Cocrystals Correlate with Atomic Polarizability. J Am Chem Soc. 2015;137(40):12768-71doi: 10.1021/jacs.5b07873.
Rupasinghe, T. P., Hutchins, K. M., Bandaranayake, B. S., Ghorai, S., Karunatilake, C., Bučar, D. K., Swenson, D. C., Arnold, M. A., MacGillivray, L. R., & Tivanski, A. V. (2015). Mechanical Properties of a Series of Macro- and Nanodimensional Organic Cocrystals Correlate with Atomic Polarizability. Journal of the American Chemical Society, 137(40), 12768-71. https://doi.org/10.1021/jacs.5b07873
Rupasinghe, Thilini P, et al. "Mechanical Properties of a Series of Macro- and Nanodimensional Organic Cocrystals Correlate with Atomic Polarizability." Journal of the American Chemical Society vol. 137,40 (2015): 12768-71. doi: https://doi.org/10.1021/jacs.5b07873
Rupasinghe TP, Hutchins KM, Bandaranayake BS, Ghorai S, Karunatilake C, Bučar DK, Swenson DC, Arnold MA, MacGillivray LR, Tivanski AV. Mechanical Properties of a Series of Macro- and Nanodimensional Organic Cocrystals Correlate with Atomic Polarizability. J Am Chem Soc. 2015 Oct 14;137(40):12768-71. doi: 10.1021/jacs.5b07873. Epub 2015 Oct 02. PMID: 26407029.
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J Am Chem Soc. 2015 Oct 14;137(40):12768-71. doi: 10.1021/jacs.5b07873. Epub 2015 Oct 02.

Mechanical Properties of a Series of Macro- and Nanodimensional Organic Cocrystals Correlate with Atomic Polarizability.

Journal of the American Chemical Society

Thilini P Rupasinghe, Kristin M Hutchins, Bimali S Bandaranayake, Suman Ghorai, Chandana Karunatilake, Dejan-Krešimir Bučar, Dale C Swenson, Mark A Arnold, Leonard R MacGillivray, Alexei V Tivanski

Affiliations

  1. Department of Chemistry, University of Iowa , Iowa City, Iowa 52242-1294, United States.

PMID: 26407029 DOI: 10.1021/jacs.5b07873

Abstract

A correlation between Young's modulus, as determined by using nanoindentation atomic force microscopy (AFM), and atomic polarizability is observed for members of a series of cocrystals based on systematic changes to one cocrystal component. Time domain spectroscopy over terahertz frequencies (THz-TDS) is used for the first time to directly measure the polarizability of macro- and nanosized organic solids. Cocrystals of both macro- and nanodimensions with highly polarizable atoms result in softer solids and correspondingly higher polarizabilities.

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