Demonstration of Feasibility of X-Ray Free Electron Laser Studies of Dynamics of Nanoparticles in Entangled Polymer Melts

The recent advent of hard x-ray free electron lasers (XFELs) opens new areas of science due to their exceptional brightness, coherence and time structure. In principle, such sources enable studies of dynamics of condensed matter systems over times ranging from femtoseconds to seconds. However, the s...

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Veröffentlicht in:Scientific reports 2014-08, Vol.4 (1), p.6017-6017, Article 6017
Hauptverfasser: Carnis, Jerome, Cha, Wonsuk, Wingert, James, Kang, Jinback, Jiang, Zhang, Song, Sanghoon, Sikorski, Marcin, Robert, Aymeric, Gutt, Christian, Chen, San-Wen, Dai, Yeling, Ma, Yicong, Guo, Hongyu, Lurio, Laurence B., Shpyrko, Oleg, Narayanan, Suresh, Cui, Mengmeng, Kosif, Irem, Emrick, Todd, Russell, Thomas P., Lee, Hae Cheol, Yu, Chung-Jong, Grübel, Gerhard, Sinha, Sunil K., Kim, Hyunjung
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container_end_page 6017
container_issue 1
container_start_page 6017
container_title Scientific reports
container_volume 4
creator Carnis, Jerome
Cha, Wonsuk
Wingert, James
Kang, Jinback
Jiang, Zhang
Song, Sanghoon
Sikorski, Marcin
Robert, Aymeric
Gutt, Christian
Chen, San-Wen
Dai, Yeling
Ma, Yicong
Guo, Hongyu
Lurio, Laurence B.
Shpyrko, Oleg
Narayanan, Suresh
Cui, Mengmeng
Kosif, Irem
Emrick, Todd
Russell, Thomas P.
Lee, Hae Cheol
Yu, Chung-Jong
Grübel, Gerhard
Sinha, Sunil K.
Kim, Hyunjung
description The recent advent of hard x-ray free electron lasers (XFELs) opens new areas of science due to their exceptional brightness, coherence and time structure. In principle, such sources enable studies of dynamics of condensed matter systems over times ranging from femtoseconds to seconds. However, the studies of “slow” dynamics in polymeric materials still remain in question due to the characteristics of the XFEL beam and concerns about sample damage. Here we demonstrate the feasibility of measuring the relaxation dynamics of gold nanoparticles suspended in polymer melts using X-ray photon correlation spectroscopy (XPCS), while also monitoring eventual X-ray induced damage. In spite of inherently large pulse-to-pulse intensity and position variations of the XFEL beam, measurements can be realized at slow time scales. The X-ray induced damage and heating are less than initially expected for soft matter materials.
doi_str_mv 10.1038/srep06017
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subjects 639/301/930/12
639/624/400/1106
Brightness
Humanities and Social Sciences
Lasers
MATERIALS SCIENCE
multidisciplinary
Nanoparticles
Polymer melts
Polymers
Science
Science & Technology - Other Topics
Spectroscopy
title Demonstration of Feasibility of X-Ray Free Electron Laser Studies of Dynamics of Nanoparticles in Entangled Polymer Melts
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