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Harder than Diamond: Determining the Cross‐Sectional Area and Young's Modulus of Molecular Rods
Author(s) -
Itzhaki Lior,
Altus Eli,
Basch Harold,
Hoz Shmaryahu
Publication year - 2005
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.200502448
Subject(s) - diamond , modulus , rod , compression (physics) , point (geometry) , young's modulus , connection (principal bundle) , composite material , materials science , physics , structural engineering , engineering , mathematics , geometry , medicine , alternative medicine , pathology
Hard and straight: Diamond is the hardest material known, yet polyyne—a molecular rod comprised of CC units—resists longitudinal compression with a Young's Modulus 40 times larger than diamond, whereas [ n ]staffanes have a Young's Modulus close to that of diamond. Mechanical engineering provides the connection between the point at which a rod buckles under longitudinal load and its cross‐sectional area.