de Gennes Narrowing and Relationship between Structure and Dynamics in Self-Organized Ion-Beam Nanopatterning
Abstract
Investigating the relationship between structure and dynamical processes is a central goal in condensed matter physics. Perhaps the most noted relationship between the two is the phenomenon of de Gennes narrowing, in which relaxation times in liquids are proportional to the scattering structure factor. Here, a similar relationship is discovered during the self-organized ion-beam nanopatterning of silicon using coherent x-ray scattering. However, in contrast to the exponential relaxation of fluctuations in classic de Gennes narrowing, the dynamic surface exhibits a wide range of behaviors as a function of the length scale, with a compressed exponential relaxation at lengths corresponding to the dominant structural motif—self-organized nanoscale ripples. These behaviors are reproduced in simulations of a nonlinear model describing the surface evolution. Our team suggests that the compressed exponential behavior observed here is due to the morphological persistence of the self-organized surface ripple patterns which form and evolve during ion-beam nanopatterning.
- Authors:
-
[1];
[3];
- Boston Univ., MA (United States)
- Brookhaven National Lab. (BNL), Upton, NY (United States)
- Univ. of Vermont, Burlington, VT (United States)
- Publication Date:
- Research Org.:
- Brookhaven National Lab. (BNL), Upton, NY (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1760636
- Report Number(s):
- BNL-220790-2021-JAAM
Journal ID: ISSN 0031-9007; TRN: US2206037
- Grant/Contract Number:
- SC0012704
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review Letters
- Additional Journal Information:
- Journal Volume: 126; Journal Issue: 1; Journal ID: ISSN 0031-9007
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE; Irradiation effects; Surface & interfacial phenomena; Surface instabilities; Elemental semiconductors; Nanostructures; X-ray photon correlation spectroscopy
Citation Formats
Myint, Peco, Ludwig, Karl F., Wiegart, Lutz, Zhang, Yugang, Fluerasu, Andrei, Zhang, Xiaozhi, and Headrick, Randall L. de Gennes Narrowing and Relationship between Structure and Dynamics in Self-Organized Ion-Beam Nanopatterning. United States: N. p., 2021.
Web. doi:10.1103/physrevlett.126.016101.
Myint, Peco, Ludwig, Karl F., Wiegart, Lutz, Zhang, Yugang, Fluerasu, Andrei, Zhang, Xiaozhi, & Headrick, Randall L. de Gennes Narrowing and Relationship between Structure and Dynamics in Self-Organized Ion-Beam Nanopatterning. United States. https://doi.org/10.1103/physrevlett.126.016101
Myint, Peco, Ludwig, Karl F., Wiegart, Lutz, Zhang, Yugang, Fluerasu, Andrei, Zhang, Xiaozhi, and Headrick, Randall L. Thu .
"de Gennes Narrowing and Relationship between Structure and Dynamics in Self-Organized Ion-Beam Nanopatterning". United States. https://doi.org/10.1103/physrevlett.126.016101. https://www.osti.gov/servlets/purl/1760636.
@article{osti_1760636,
title = {de Gennes Narrowing and Relationship between Structure and Dynamics in Self-Organized Ion-Beam Nanopatterning},
author = {Myint, Peco and Ludwig, Karl F. and Wiegart, Lutz and Zhang, Yugang and Fluerasu, Andrei and Zhang, Xiaozhi and Headrick, Randall L.},
abstractNote = {Investigating the relationship between structure and dynamical processes is a central goal in condensed matter physics. Perhaps the most noted relationship between the two is the phenomenon of de Gennes narrowing, in which relaxation times in liquids are proportional to the scattering structure factor. Here, a similar relationship is discovered during the self-organized ion-beam nanopatterning of silicon using coherent x-ray scattering. However, in contrast to the exponential relaxation of fluctuations in classic de Gennes narrowing, the dynamic surface exhibits a wide range of behaviors as a function of the length scale, with a compressed exponential relaxation at lengths corresponding to the dominant structural motif—self-organized nanoscale ripples. These behaviors are reproduced in simulations of a nonlinear model describing the surface evolution. Our team suggests that the compressed exponential behavior observed here is due to the morphological persistence of the self-organized surface ripple patterns which form and evolve during ion-beam nanopatterning.},
doi = {10.1103/physrevlett.126.016101},
journal = {Physical Review Letters},
number = 1,
volume = 126,
place = {United States},
year = {Thu Jan 07 00:00:00 EST 2021},
month = {Thu Jan 07 00:00:00 EST 2021}
}
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