High-Modulus Organic Glasses Prepared by Physical Vapor Deposition

High-Modulus Organic Glasses Prepared by Physical Vapor Deposition
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DOI:
10.1002/adma.200901673
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发表时间:
2010-01-05
期刊:
影响因子:
29.4
通讯作者:
Ediger, M. D.
Ediger, M. D.
中科院分区:
材料科学1区
文献类型:
--
作者:
Kearns, Kenneth L.;Still, Tim;Ediger, M. D.

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使用消炎痛(IMC)或三甲基苯通过物理气相沉积制备了极其稳定的有机玻璃。利用布里渊光散射(BLS),这些稳定的玻璃(SG)的弹性模量被发现超过普通玻璃(OG)的高达19%。这种高模量玻璃转化为过冷液体(SCL)所需的时间比结构弛豫时间长10(4)倍以上。
Extraordinarily stable organic glasses are prepared by physical vapor deposition using indomethacin (IMC) or trisnaphthyl-benzene. 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).