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Title: Two-stage synergy of electronic energy loss with defects in LiTaO 3 under ion irradiation

Abstract

Understanding energy dissipation in electronic and atomic subsystems and subsequent defect evolution is a scientific challenge. Separate and combined effects of electronic and nuclear energy deposition in z-cut LiTaO 3 have been investigated. Irradiation of pristine LiTaO 3 samples with 2 MeV Ta ions leads to amorphization due to atomic displacement damage, described by a disorder accumulation model. Here, while 21 MeV Si ions do not produce significant damage in pristine LiTaO 3, introduction of pre-existing defects sensitizes LiTaO 3 to the formation of ion tracks from the electronic energy loss by 21 MeV Si ions that induce a synergistic two-stage phase transition process.

Authors:
 [1];  [2];  [1];  [3];  [1];  [3]
  1. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Materials Science & Technology Division
  2. Univ. of Tennessee, Knoxville, TN (United States). Dept. of Materials Science and Engineering
  3. (United States). Dept. of Materials Science and Engineering
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
OSTI Identifier:
1430609
Grant/Contract Number:  
AC05-00OR22725
Resource Type:
Accepted Manuscript
Journal Name:
Materials Research Letters
Additional Journal Information:
Journal Volume: 6; Journal Issue: 6; Journal ID: ISSN 2166-3831
Publisher:
Taylor and Francis
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; LiTaO3; synergy; electronic energy loss; amorphization; ion tracks

Citation Formats

Sellami, Neila, Crespillo, Miguel L., Zhang, Yanwen, Univ. of Tennessee, Knoxville, TN, Weber, William J., and Univ. of Tennessee, Knoxville, TN. Two-stage synergy of electronic energy loss with defects in LiTaO3 under ion irradiation. United States: N. p., 2018. Web. doi:10.1080/21663831.2018.1455753.
Sellami, Neila, Crespillo, Miguel L., Zhang, Yanwen, Univ. of Tennessee, Knoxville, TN, Weber, William J., & Univ. of Tennessee, Knoxville, TN. Two-stage synergy of electronic energy loss with defects in LiTaO3 under ion irradiation. United States. doi:10.1080/21663831.2018.1455753.
Sellami, Neila, Crespillo, Miguel L., Zhang, Yanwen, Univ. of Tennessee, Knoxville, TN, Weber, William J., and Univ. of Tennessee, Knoxville, TN. Tue . "Two-stage synergy of electronic energy loss with defects in LiTaO3 under ion irradiation". United States. doi:10.1080/21663831.2018.1455753. https://www.osti.gov/servlets/purl/1430609.
@article{osti_1430609,
title = {Two-stage synergy of electronic energy loss with defects in LiTaO3 under ion irradiation},
author = {Sellami, Neila and Crespillo, Miguel L. and Zhang, Yanwen and Univ. of Tennessee, Knoxville, TN and Weber, William J. and Univ. of Tennessee, Knoxville, TN},
abstractNote = {Understanding energy dissipation in electronic and atomic subsystems and subsequent defect evolution is a scientific challenge. Separate and combined effects of electronic and nuclear energy deposition in z-cut LiTaO3 have been investigated. Irradiation of pristine LiTaO3 samples with 2 MeV Ta ions leads to amorphization due to atomic displacement damage, described by a disorder accumulation model. Here, while 21 MeV Si ions do not produce significant damage in pristine LiTaO3, introduction of pre-existing defects sensitizes LiTaO3 to the formation of ion tracks from the electronic energy loss by 21 MeV Si ions that induce a synergistic two-stage phase transition process.},
doi = {10.1080/21663831.2018.1455753},
journal = {Materials Research Letters},
number = 6,
volume = 6,
place = {United States},
year = {2018},
month = {3}
}

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