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Crystalline Polyethylene Nanofibers with the Theoretical Limit of Young's Modulus
Author(s) -
Li Pengfei,
Hu Lin,
McGaughey Alan J. H.,
Shen Sheng
Publication year - 2014
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201304116
Subject(s) - nanofiber , materials science , modulus , polyethylene , cantilever , substrate (aquarium) , nanotechnology , composite material , limit (mathematics) , mathematics , oceanography , geology , mathematical analysis
A highly crystalline polyethylene nanofiber is deflected by a cantilever under an atomic force microscope. The resulting approach and retract curves on both nanofiber and silicon substrate yield the Young's modulus of the nanofiber. The experiments show that the average Young's modulus of polyethylene nanofibers with diameters from 70 nm to 260 nm can be as high as 312 GPa.