Comparison of short-range order in irradiated dysprosium titanates

Sherrod, Roman; O’Quinn, Eric C.; Gussev, Igor M.; Overstreet, Cale; Neuefeind, Joerg; Lang, Maik K.

doi:10.1038/s41529-021-00165-6

Title: Comparison of short-range order in irradiated dysprosium titanates

Abstract

The structural response of Dy2TiO5 oxide under swift heavy ion irradiation (2.2 GeV Au ions) was studied over a range of structural length scales utilizing neutron total scattering experiments. Refinement of diffraction data confirms that the long-range orthorhombic structure is susceptible to ion beam-induced amorphization with limited crystalline fraction remaining after irradiation to 8 × 1012 ions/cm2. In contrast, the local atomic arrangement, examined through pair distribution function analysis, shows only subtle changes after irradiation and is still described best by the original orthorhombic structural model. A comparison to Dy2Ti2O7 pyrochlore oxide under the same irradiation conditions reveals a different behavior: while the dysprosium titanate pyrochlore is more radiation resistant over the long-range with smaller degree of amorphization as compared to Dy2TiO5, the former involves more local atomic rearrangements, best described by a pyrochlore-to-weberite-type transformation. These results highlight the importance of short-range and medium-range order analysis for a comprehensive description of radiation behavior.

Authors:

Sherrod, Roman; O’Quinn, Eric C.; Gussev, Igor M.;

;

Publication Date:: Fri Apr 16 00:00:00 EDT 2021

Research Org.:: Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Univ. of Tennessee, Knoxville, TN (United States)

Sponsoring Org.:: USDOE Office of Science (SC), Basic Energy Sciences (BES); USDOE Office of Science (SC), Workforce Development for Teachers and Scientists (WDTS)

OSTI Identifier:: 1777652

Alternate Identifier(s):: OSTI ID: 1788188; OSTI ID: 1846454

Grant/Contract Number:: SC0020321; SC0014664

Resource Type:: Published Article

Journal Name:: npj Materials Degradation

Additional Journal Information:: Journal Name: npj Materials Degradation Journal Volume: 5 Journal Issue: 1; Journal ID: ISSN 2397-2106

Publisher:: Nature Publishing Group

Country of Publication:: United Kingdom

Language:: English

Subject:: 73 NUCLEAR PHYSICS AND RADIATION PHYSICS; Materials for energy and catalysis; Materials science; Techniques and instrumentation

Citation Formats


                    Sherrod, Roman, O’Quinn, Eric C., Gussev, Igor M., Overstreet, Cale, Neuefeind, Joerg, and Lang, Maik K. Comparison of short-range order in irradiated dysprosium titanates.  United Kingdom: N. p., 2021. 
Web.  doi:10.1038/s41529-021-00165-6.

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                    Sherrod, Roman, O’Quinn, Eric C., Gussev, Igor M., Overstreet, Cale, Neuefeind, Joerg, & Lang, Maik K. Comparison of short-range order in irradiated dysprosium titanates.  United Kingdom.  https://doi.org/10.1038/s41529-021-00165-6

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                    Sherrod, Roman, O’Quinn, Eric C., Gussev, Igor M., Overstreet, Cale, Neuefeind, Joerg, and Lang, Maik K. Fri .  
"Comparison of short-range order in irradiated dysprosium titanates".  United Kingdom.  https://doi.org/10.1038/s41529-021-00165-6.

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@article{osti_1777652,

  title        = {Comparison of short-range order in irradiated dysprosium titanates},

  author       = {Sherrod, Roman and O’Quinn, Eric C. and Gussev, Igor M. and Overstreet, Cale and Neuefeind, Joerg and Lang, Maik K.},

  abstractNote = {The structural response of Dy2TiO5 oxide under swift heavy ion irradiation (2.2 GeV Au ions) was studied over a range of structural length scales utilizing neutron total scattering experiments. Refinement of diffraction data confirms that the long-range orthorhombic structure is susceptible to ion beam-induced amorphization with limited crystalline fraction remaining after irradiation to 8 × 1012 ions/cm2. In contrast, the local atomic arrangement, examined through pair distribution function analysis, shows only subtle changes after irradiation and is still described best by the original orthorhombic structural model. A comparison to Dy2Ti2O7 pyrochlore oxide under the same irradiation conditions reveals a different behavior: while the dysprosium titanate pyrochlore is more radiation resistant over the long-range with smaller degree of amorphization as compared to Dy2TiO5, the former involves more local atomic rearrangements, best described by a pyrochlore-to-weberite-type transformation. These results highlight the importance of short-range and medium-range order analysis for a comprehensive description of radiation behavior.},

  doi          = {10.1038/s41529-021-00165-6},

  journal      = {npj Materials Degradation},

  number       = 1,

  volume       = 5,

  place        = {United Kingdom},

  year         = {Fri Apr 16 00:00:00 EDT 2021},

  month        = {Fri Apr 16 00:00:00 EDT 2021}

}

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Title: Comparison of short-range order in irradiated dysprosium titanates

Abstract

Citation Formats

Forging Fast Ion Conducting Nanochannels with Swift Heavy Ions: The Correlated Role of Local Electronic and Atomic Structure journal, December 2016

Dysprosium titanate as an absorber material for control rods journal, September 2000

Similar local order in disordered fluorite and aperiodic pyrochlore structures journal, February 2018

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Structural changes in irradiated dysprosium titanate journal, May 1976

Insights into the radiation behavior of Ln2TiO5 (Ln = La-Y) from defect energetics journal, November 2017

The Nanoscale Ordered MAterials Diffractometer NOMAD at the Spallation Neutron Source SNS journal, September 2012

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Development of Dysprosium Titanate Based Ceramics journal, April 2005

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Inorganic crystal structure database (ICSD) and standardized data and crystal chemical characterization of inorganic structure types (TYPIX) - Two tools for inorganic chemists journal, May 1996

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PDFfit2 and PDFgui: computer programs for studying nanostructure in crystals journal, July 2007

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Thermodynamic and structural evolution of Dy2Ti2O7 pyrochlore after swift heavy ion irradiation journal, February 2018

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Oxide pyrochlores — A review journal, January 1983

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Characterization of Radiation Effects and Ion Tracks with Spallation Neutron Probes journal, January 2020

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Forging Fast Ion Conducting Nanochannels with Swift Heavy Ions: The Correlated Role of Local Electronic and Atomic Structure
journal, December 2016

Dysprosium titanate as an absorber material for control rods
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Role of composition, bond covalency, and short-range order in the disordering of stannate pyrochlores by swift heavy ion irradiation
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The Principles Determining the Structure of Complex Ionic Crystals
journal, April 1929

Complex ceramic structures. I. Weberites
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Structural changes in irradiated dysprosium titanate
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Insights into the radiation behavior of Ln2TiO5 (Ln = La-Y) from defect energetics
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The Nanoscale Ordered MAterials Diffractometer NOMAD at the Spallation Neutron Source SNS
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GSAS-II : the genesis of a modern open-source all purpose crystallography software package
journal, March 2013

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journal, June 2013

Inorganic crystal structure database (ICSD) and standardized data and crystal chemical characterization of inorganic structure types (TYPIX) - Two tools for inorganic chemists
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New developments in the Inorganic Crystal Structure Database (ICSD): accessibility in support of materials research and design
journal, May 2002

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journal, October 2003

Neutron scattering lengths and cross sections
journal, January 1992

Bond valences—a simple structural model for inorganic chemistry
journal, January 1978

Radiation Tolerance of Complex Oxides
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Swift-heavy ion irradiation response and annealing behavior of A2TiO5 (A = Nd, Gd, and Yb)
journal, February 2018

Key role of the short-range order on the response of the titanate pyrochlore $Y_{2} T i_{2} O_{7}$ to irradiation
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Characterization of Radiation Effects and Ion Tracks with Spallation Neutron Probes
journal, January 2020

Crystal chemistry of the orthorhombic Ln2TiO5 compounds with Ln=La, Pr, Nd, Sm, Gd, Tb and Dy
journal, July 2015

Nuclear waste disposal—pyrochlore (A2B2O7): Nuclear waste form for the immobilization of plutonium and “minor” actinides
journal, June 2004

Ion-irradiation resistance of the orthorhombic Ln2TiO5 (Ln = La, Pr, Nd, Sm, Eu, Gd, Tb and Dy) series
journal, December 2015

Absorption corrections for neutron diffraction
journal, November 1970

Defect accumulation in swift heavy ion-irradiated CeO ₂ and ThO ₂
journal, January 2017

Structural response of A2TiO5 (A=La, Nd, Sm, Gd) to swift heavy ion irradiation
journal, June 2012

Thermophysical measurements on dysprosium and gadolinium titanates
journal, May 2004

Probing disorder in isometric pyrochlore and related complex oxides
journal, February 2016

Synthesis and ion-irradiation tolerance of the Dy2TiO5 polymorphs
journal, February 2021