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High‐Modulus Organic Glasses Prepared by Physical Vapor Deposition
Author(s) -
Kearns Kenneth L.,
Still Tim,
Fytas George,
Ediger M. D.
Publication year - 2010
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.200901673
Subject(s) - materials science , supercooling , relaxation (psychology) , physical vapor deposition , brillouin scattering , deposition (geology) , composite material , chemical vapor deposition , elastic modulus , brillouin zone , modulus , chemical engineering , mineralogy , optics , thermodynamics , nanotechnology , coating , psychology , social psychology , paleontology , chemistry , physics , engineering , sediment , optical fiber , biology
Extraordinarily stable organic glasses are prepared by physical vapor deposition using indomethacin (IMC) or trisnaphthylbenzene. Utilizing Brillouin light scattering (BLS), the elastic moduli of these stable glasses (SG) are found to exceed those of ordinary glass (OG) by up to 19%. Such high‐modulus glasses take more than 10 4 times longer than the structural relaxation time to transform to the supercooled liquid (SCL).