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Local dynamic mechanical properties in model free-standing polymer thin films
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10.1063/1.1873732
/content/aip/journal/jcp/122/14/10.1063/1.1873732
http://aip.metastore.ingenta.com/content/aip/journal/jcp/122/14/10.1063/1.1873732

Figures

Image of FIG. 1.
FIG. 1.

Schematic view of model free-standing polymer thin film. The arrow on top indicates the oscillatory shearing direction. Each sphere represents the monomer segment.

Image of FIG. 2.
FIG. 2.

DMPs of the bulk at (a) , (b) , (c) vs temperature. In each figure, , , and are shown in 엯, ◻, and ▵, respectively.

Image of FIG. 3.
FIG. 3.

DMPs of the bulk at different frequencies vs temperature; (a) vs , (b) vs , (c) vs . In each figure, 엯, ◻, and ▵ represent the data obtained at , 0.06, and 0.03, respectively.

Image of FIG. 4.
FIG. 4.

Local DMPs of thicker films at as a function of the coordinate: in bold solid line, in bold dashed line, and in thin solid line. The scale on the left axis is for and , and that on the right axis is for . From the top to the bottom figure, temperature is increased constantly by 0.1 in reduced units. The insets at and 0.6 show local DMPs near the middle of film.

Image of FIG. 5.
FIG. 5.

Local DMPs of thinner films at as a function of coordinate. The symbols and scales are the same as those in Fig. 4.

Image of FIG. 6.
FIG. 6.

Overall DMPs of thin films at vs temperature; 엯 for the bulk, ▵ for thick film, ◻ for thick film. and are shown with solid and dashed lines, respectively. An arrow indicates the intersecting point of the two curves of and . The inlet shows the ratio of for the thin films to the bulk as a function of temperature.

Tables

Generic image for table
Table I.

Ratio of the soft surface layers to the entire film thickness .

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/content/aip/journal/jcp/122/14/10.1063/1.1873732
2005-04-14
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Local dynamic mechanical properties in model free-standing polymer thin films
http://aip.metastore.ingenta.com/content/aip/journal/jcp/122/14/10.1063/1.1873732
10.1063/1.1873732
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