دورية أكاديمية
Toward broadband mechanical spectroscopy.
| العنوان: | Toward broadband mechanical spectroscopy. |
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| المؤلفون: | Hecksher T; 'Glass and Time,' Department of Science and Environment, Roskilde University, DK-4000 Roskilde, Denmark., Torchinsky DH; Department of Physics, Massachusetts Institute of Technology, Cambridge, MA 02139., Klieber C; Department of Chemistry, Massachusetts Institute of Technology, Cambridge, MA 02139., Johnson JA; Department of Chemistry, Massachusetts Institute of Technology, Cambridge, MA 02139., Dyre JC; 'Glass and Time,' Department of Science and Environment, Roskilde University, DK-4000 Roskilde, Denmark., Nelson KA; Department of Chemistry, Massachusetts Institute of Technology, Cambridge, MA 02139 kanelson@mit.edu. |
| المصدر: | Proceedings of the National Academy of Sciences of the United States of America [Proc Natl Acad Sci U S A] 2017 Aug 15; Vol. 114 (33), pp. 8710-8715. Date of Electronic Publication: 2017 Aug 01. |
| نوع المنشور: | Journal Article; Research Support, U.S. Gov't, Non-P.H.S.; Research Support, Non-U.S. Gov't |
| اللغة: | English |
| بيانات الدورية: | Publisher: National Academy of Sciences Country of Publication: United States NLM ID: 7505876 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1091-6490 (Electronic) Linking ISSN: 00278424 NLM ISO Abbreviation: Proc Natl Acad Sci U S A Subsets: PubMed not MEDLINE |
| أسماء مطبوعة: | Original Publication: Washington, DC : National Academy of Sciences |
| مستخلص: | Diverse material classes exhibit qualitatively similar behavior when made viscous upon cooling toward the glass transition, suggesting a common theoretical basis. We used seven different measurement methods to determine the mechanical relaxation kinetics of a prototype molecular glass former over a temporal range of 13 decades and over a temperature range spanning liquid to glassy states. The data conform to time-temperature superposition for the main (alpha) process and to a scaling relation of schematic mode-coupling theory. The broadband mechanical measurements demonstrated have fundamental and practical applications in polymer science, geophysics, multifunctional materials, and other areas. Competing Interests: The authors declare no conflict of interest. |
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| فهرسة مساهمة: | Keywords: broadband mechanical spectroscopy; mode-coupling theory; viscous liquids |
| تواريخ الأحداث: | Date Created: 20170803 Date Completed: 20180516 Latest Revision: 20240326 |
| رمز التحديث: | 20240326 |
| مُعرف محوري في PubMed: | PMC5565458 |
| DOI: | 10.1073/pnas.1707251114 |
| PMID: | 28765374 |
| قاعدة البيانات: | MEDLINE |
| تدمد: | 1091-6490 |
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| DOI: | 10.1073/pnas.1707251114 |