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Title: Deformation Twinning of a Silver Nanocrystal under High Pressure

Abstract

Within a high-pressure environment, crystal deformation is controlled by complex processes such as dislocation motion, twinning, and phase transitions, which change materials' microscopic morphology and alter their properties. Understanding a crystal's response to external stress provides a unique opportunity for rational tailoring of its functionalities. It is very challenging to track the strain evolution and physical deformation from a single nanoscale crystal under high-pressure stress. Here, we report an in situ three-dimensional mapping of morphology and strain evolutions in a single-crystal silver nanocube within a high-pressure environment using the Bragg Coherent Diffractive Imaging (CDI) method. We observed a continuous lattice distortion, followed by a deformation twining process at a constant pressure. The ability to visualize stress-introduced deformation of nanocrystals with high spatial resolution and prominent strain sensitivity provides an important route for interpreting and engineering novel properties of nanomaterials.

Authors:
; ; ; ; ; ; ;
Publication Date:
Research Org.:
Argonne National Laboratory (ANL), Argonne, IL (United States)
Sponsoring Org.:
National Science Foundation (NSF); USDOE Office of Science (SC), Basic Energy Sciences (BES)
OSTI Identifier:
1248744
DOE Contract Number:  
AC02-06CH11357
Resource Type:
Journal Article
Journal Name:
Nano Letters
Additional Journal Information:
Journal Volume: 15; Journal Issue: 11; Journal ID: ISSN 1530-6984
Publisher:
American Chemical Society
Country of Publication:
United States
Language:
English
Subject:
X-ray imaging; Nanocrystal; coherent diffractive imaging; deformation twinning

Citation Formats

Huang, Xiaojing, Yang, Wenge, Harder, Ross, Sun, Yugang, Liu, Ming, Chu, Yong S., Robinson, Ian K., and Mao, Ho-kwang. Deformation Twinning of a Silver Nanocrystal under High Pressure. United States: N. p., 2015. Web. doi:10.1021/acs.nanolett.5b03568.
Huang, Xiaojing, Yang, Wenge, Harder, Ross, Sun, Yugang, Liu, Ming, Chu, Yong S., Robinson, Ian K., & Mao, Ho-kwang. Deformation Twinning of a Silver Nanocrystal under High Pressure. United States. https://doi.org/10.1021/acs.nanolett.5b03568
Huang, Xiaojing, Yang, Wenge, Harder, Ross, Sun, Yugang, Liu, Ming, Chu, Yong S., Robinson, Ian K., and Mao, Ho-kwang. 2015. "Deformation Twinning of a Silver Nanocrystal under High Pressure". United States. https://doi.org/10.1021/acs.nanolett.5b03568.
@article{osti_1248744,
title = {Deformation Twinning of a Silver Nanocrystal under High Pressure},
author = {Huang, Xiaojing and Yang, Wenge and Harder, Ross and Sun, Yugang and Liu, Ming and Chu, Yong S. and Robinson, Ian K. and Mao, Ho-kwang},
abstractNote = {Within a high-pressure environment, crystal deformation is controlled by complex processes such as dislocation motion, twinning, and phase transitions, which change materials' microscopic morphology and alter their properties. Understanding a crystal's response to external stress provides a unique opportunity for rational tailoring of its functionalities. It is very challenging to track the strain evolution and physical deformation from a single nanoscale crystal under high-pressure stress. Here, we report an in situ three-dimensional mapping of morphology and strain evolutions in a single-crystal silver nanocube within a high-pressure environment using the Bragg Coherent Diffractive Imaging (CDI) method. We observed a continuous lattice distortion, followed by a deformation twining process at a constant pressure. The ability to visualize stress-introduced deformation of nanocrystals with high spatial resolution and prominent strain sensitivity provides an important route for interpreting and engineering novel properties of nanomaterials.},
doi = {10.1021/acs.nanolett.5b03568},
url = {https://www.osti.gov/biblio/1248744}, journal = {Nano Letters},
issn = {1530-6984},
number = 11,
volume = 15,
place = {United States},
year = {Sun Nov 01 00:00:00 EDT 2015},
month = {Sun Nov 01 00:00:00 EDT 2015}
}

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Works referencing / citing this record:

Three-dimensional optical trapping and orientation of microparticles for coherent X-ray diffraction imaging
journal, February 2019


Bragg coherent diffractive imaging of ferromagnetic nickel nanoparticles
journal, May 2018


Resolving 500 nm axial separation by multi-slice X-ray ptychography
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Deterministic Bragg Coherent Diffraction Imaging
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