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Title: Soft crystal martensites: An in situ resonant soft x-ray scattering study of a liquid crystal martensitic transformation

Abstract

Liquid crystal blue phases (BPs) are three-dimensional soft crystals with unit cell sizes orders of magnitude larger than those of classic, atomic crystals. The directed self-assembly of BPs on chemically patterned surfaces uniquely enables detailed in situ resonant soft x-ray scattering measurements of martensitic phase transformations in these systems. The formation of twin lamellae is explicitly identified during the BPII-to-BPI transformation, further corroborating the martensitic nature of this transformation and broadening the analogy between soft and atomic crystal diffusionless phase transformations to include their strain-release mechanisms.

Authors:
ORCiD logo [1]; ORCiD logo [2]; ORCiD logo [3]; ORCiD logo [4];  [5];  [6]; ORCiD logo [6]; ORCiD logo [7]; ORCiD logo [7]
  1. Korea Atomic Energy Research Inst. (KAERI) (Korea); Univ. of Chicago, IL (United States)
  2. Univ. of Chicago, IL (United States); Univ. of North Texas, Denton, TX (United States)
  3. Argonne National Lab. (ANL), Argonne, IL (United States); Univ. of Chicago, IL (United States)
  4. National Inst. of Standards and Technology (NIST), Gaithersburg, MD (United States)
  5. Univ. Autónoma de San Luis Potosí (México)
  6. Univ. of Chicago, IL (United States)
  7. Univ. of Chicago, IL (United States); Argonne National Lab. (ANL), Argonne, IL (United States)
Publication Date:
Research Org.:
Argonne National Lab. (ANL), Argonne, IL (United States); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES). Materials Sciences & Engineering Division; National Science Foundation (NSF)
OSTI Identifier:
1765977
Alternate Identifier(s):
OSTI ID: 1626047
Grant/Contract Number:  
AC02-06CH11357; AC02-05CH11231; DMR-1420709
Resource Type:
Accepted Manuscript
Journal Name:
Science Advances
Additional Journal Information:
Journal Volume: 6; Journal Issue: 13; Journal ID: ISSN 2375-2548
Publisher:
AAAS
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; 36 MATERIALS SCIENCE; Science & Technology - Other Topics

Citation Formats

Jin, Hyeong Min, Li, Xiao, Dolan, James A., Kline, R. Joseph, Martínez-González, José A., Ren, Jiaxing, Zhou, Chun, de Pablo, Juan J., and Nealey, Paul F. Soft crystal martensites: An in situ resonant soft x-ray scattering study of a liquid crystal martensitic transformation. United States: N. p., 2020. Web. doi:10.1126/sciadv.aay5986.
Jin, Hyeong Min, Li, Xiao, Dolan, James A., Kline, R. Joseph, Martínez-González, José A., Ren, Jiaxing, Zhou, Chun, de Pablo, Juan J., & Nealey, Paul F. Soft crystal martensites: An in situ resonant soft x-ray scattering study of a liquid crystal martensitic transformation. United States. https://doi.org/10.1126/sciadv.aay5986
Jin, Hyeong Min, Li, Xiao, Dolan, James A., Kline, R. Joseph, Martínez-González, José A., Ren, Jiaxing, Zhou, Chun, de Pablo, Juan J., and Nealey, Paul F. Fri . "Soft crystal martensites: An in situ resonant soft x-ray scattering study of a liquid crystal martensitic transformation". United States. https://doi.org/10.1126/sciadv.aay5986. https://www.osti.gov/servlets/purl/1765977.
@article{osti_1765977,
title = {Soft crystal martensites: An in situ resonant soft x-ray scattering study of a liquid crystal martensitic transformation},
author = {Jin, Hyeong Min and Li, Xiao and Dolan, James A. and Kline, R. Joseph and Martínez-González, José A. and Ren, Jiaxing and Zhou, Chun and de Pablo, Juan J. and Nealey, Paul F.},
abstractNote = {Liquid crystal blue phases (BPs) are three-dimensional soft crystals with unit cell sizes orders of magnitude larger than those of classic, atomic crystals. The directed self-assembly of BPs on chemically patterned surfaces uniquely enables detailed in situ resonant soft x-ray scattering measurements of martensitic phase transformations in these systems. The formation of twin lamellae is explicitly identified during the BPII-to-BPI transformation, further corroborating the martensitic nature of this transformation and broadening the analogy between soft and atomic crystal diffusionless phase transformations to include their strain-release mechanisms.},
doi = {10.1126/sciadv.aay5986},
journal = {Science Advances},
number = 13,
volume = 6,
place = {United States},
year = {2020},
month = {3}
}

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Figures / Tables:

Fig. 1 Fig. 1: RSoXS of BP LCs. (A) Fabrication scheme for BP LC sandwich cells. (B) Optical micrographs of single crystals of BPI(110) (top) and BPII(100) (bottom) under crossed polarizers, and the corresponding Kossel diagrams (insets). Structures of the (C) body-centered cubic (BCC) BPI and (F) simple cubic BPII. RSoXS geometrymore » for (D) the BPI, with the (110) orientation out-of-plane, and (G) the BPII, with the (100) orientation out-of-plane. Lattice projections and simulated scattering patterns for (E) BPI(110) and (H) BPII(100), where scattering patterns for single crystals correspond to solid peaks and scattering patterns for small, randomly oriented polycrystals correspond to dotted rings. The first Brillouin zone is shown in yellow.« less

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Figures/Tables have been extracted from DOE-funded journal article accepted manuscripts.