Ion irradiation-induced crystal structure changes in inverse spinel MgIn2O4

Tang, Ming; Valdez, James A.; Wang, Yongqiang; Zhang, Jian; Uberuaga, Blas P.; Sickafus, Kurt E.

doi:10.1016/j.scriptamat.2016.07.009

Title: Ion irradiation-induced crystal structure changes in inverse spinel MgIn₂O₄

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Abstract

We performed 400 keV Ne and 200 keV He ion irradiations on fully inverse MgIn₂O₄ samples at cryogenic temperature (~ 77 K), in order to examine the influence of radiation-induced cation disordering on crystal structure. In the case of MgIn₂O₄ samples irradiated with Ne ions to a peak displacement damage dose of 4 displacements per atom (dpa), a spinel-to-rocksalt phase transformation was observed. Conversely, for MgIn₂O₄ samples irradiated with He ions to a peak displacement damage dose of 5 dpa, the only observed structural effect involved cation rearrangements from an inverse to a “random” spinel structure.

Authors:

^[1]; Valdez, James A. ^[1];

^[1]; Zhang, Jian ^[2];

^[1]; Sickafus, Kurt E. ^[3]

Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Los Alamos National Lab. (LANL), Los Alamos, NM (United States); Xiamen Univ., Fujian (China). College of Energy
Univ. of Tennessee, Knoxville, TN (United States). Dept. of Materials Science and Engineering

Publication Date:: Fri Jul 29 00:00:00 EDT 2016

Research Org.:: Los Alamos National Lab. (LANL), Los Alamos, NM (United States)

Sponsoring Org.:: USDOE Office of Science (SC). Basic Energy Sciences (BES) (SC-22); USDOE

OSTI Identifier:: 1411341

Alternate Identifier(s):: OSTI ID: 1359859

Report Number(s):: LA-UR-16-24112
Journal ID: ISSN 1359-6462

Grant/Contract Number:: AC52-06NA25396

Resource Type:: Accepted Manuscript

Journal Name:: Scripta Materialia

Additional Journal Information:: Journal Volume: 125; Journal Issue: C; Journal ID: ISSN 1359-6462

Publisher:: Elsevier

Country of Publication:: United States

Language:: English

Subject:: 36 MATERIALS SCIENCE; spinel; rocksalt phase; MgIn2O4; irradiation

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                    Tang, Ming, Valdez, James A., Wang, Yongqiang, Zhang, Jian, Uberuaga, Blas P., and Sickafus, Kurt E. Ion irradiation-induced crystal structure changes in inverse spinel MgIn2O4.  United States: N. p., 2016. 
Web.  doi:10.1016/j.scriptamat.2016.07.009.

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                    Tang, Ming, Valdez, James A., Wang, Yongqiang, Zhang, Jian, Uberuaga, Blas P., & Sickafus, Kurt E. Ion irradiation-induced crystal structure changes in inverse spinel MgIn2O4.  United States.  https://doi.org/10.1016/j.scriptamat.2016.07.009

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                    Tang, Ming, Valdez, James A., Wang, Yongqiang, Zhang, Jian, Uberuaga, Blas P., and Sickafus, Kurt E. Fri .  
"Ion irradiation-induced crystal structure changes in inverse spinel MgIn2O4".  United States.  https://doi.org/10.1016/j.scriptamat.2016.07.009.  https://www.osti.gov/servlets/purl/1411341.

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@article{osti_1411341,

  title        = {Ion irradiation-induced crystal structure changes in inverse spinel MgIn2O4},

  author       = {Tang, Ming and Valdez, James A. and Wang, Yongqiang and Zhang, Jian and Uberuaga, Blas P. and Sickafus, Kurt E.},

  abstractNote = {We performed 400 keV Ne and 200 keV He ion irradiations on fully inverse MgIn2O4 samples at cryogenic temperature (~ 77 K), in order to examine the influence of radiation-induced cation disordering on crystal structure. In the case of MgIn2O4 samples irradiated with Ne ions to a peak displacement damage dose of 4 displacements per atom (dpa), a spinel-to-rocksalt phase transformation was observed. Conversely, for MgIn2O4 samples irradiated with He ions to a peak displacement damage dose of 5 dpa, the only observed structural effect involved cation rearrangements from an inverse to a “random” spinel structure.},

  doi          = {10.1016/j.scriptamat.2016.07.009},

  journal      = {Scripta Materialia},

  number       = C,

  volume       = 125,

  place        = {United States},

  year         = {Fri Jul 29 00:00:00 EDT 2016},

  month        = {Fri Jul 29 00:00:00 EDT 2016}

}

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Title: Ion irradiation-induced crystal structure changes in inverse spinel MgIn2O4

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Title: Ion irradiation-induced crystal structure changes in inverse spinel MgIn₂O₄