Cited by 23Fusion materials and technologiesThermography and Photoacoustic TechniquesNuclear materials and radiation effects

Thermal diffusivity in ion-irradiated single-crystal iron, chromium, vanadium, and tungsten measured using transient grating spectroscopy

Open access
Wylie, A. P. C., Woller, K. B., Al Dajani, S. A. A., Dacus, B. R., Pickering, E. J., Preuss, M., Short, M. P.·2022·Journal of Applied Physics

Abstract

The speed-up of radiation science development with the advent of ion-irradiation experiments has, until recently, been omitted in the post-irradiation examination technique. This paper reports the results of transient grating spectroscopy—a rapid, non-destructive, in situ photothermal surface technique—of ion-irradiated single-crystals of iron, chromium, vanadium, and tungsten at room temperature. Thermal diffusivity was used to track damage development throughout irradiation, with 5 MeV self-ion irradiated iron, chromium, and vanadium showing little to no change up to damages of the order of 1 dpa. 5 MeV Si3+-ion irradiated tungsten exhibits a reduction of thermal diffusivity from 0.78(7) to 0.29(2) cm2 s−1 with logarithmically increasing dose over a similar damage range. A comparison to literature of transient grating spectroscopy thermal diffusivity values past and present shows good agreement; radiation-induced change can be clearly distinguished from differences between mono- and poly-crystalline tungsten.

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Crossref · 10.1063/5.0089048

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  • Thermal diffusivity decreases as radiation damage accumulates in copper and other mono-atomic metals.

    “Consistent with previous high-temperature irradiation studies on copper [35] and other mono-atomic metals [16, 36], thermal diffusivity decreases as radiation damage accumulates (Figure 5).”

    From A facility for thermo-mechanical characterization of fusion magnet materials during cryogenic ion irradiation (2025) · cites this paper as [16]

    The available copy identifies a study of thermal diffusivity in ion-irradiated iron, chromium, vanadium, and tungsten (title and bibliographic entry, no page given), but contains no results showing that diffusivity decreases as damage accumulates. Searches for dose-related decreases and high-temperature irradiation returned only bibliographic material; the available passages do not address copper either. (LLM, conf=0.76)

    Experimental — accuracy not yet measured
  • The two-step fitting approach improved both thermal and functional fitting sensitivity compared to existing techniques, especially in cases with noisy or rapid signal decay.

    “This approach improved both thermal and functional fitting sensitivity compared to existing techniques [16, 31], especially in cases with noisy or rapid signal decay.”

    From A facility for thermo-mechanical characterization of fusion magnet materials during cryogenic ion irradiation (2025) · cites this paper as [16]

    The available passages from our copy are bibliographic metadata (section “2 Finished”) and an access-to-document listing (section “Abstract”); neither discusses fitting methods. Searches for two-step fitting, sensitivity, noisy signals, and rapid decay found no passage addressing the claimed improvement over existing techniques. (LLM, conf=0.70)

    Experimental — accuracy not yet measured
  • Thermal diffusivity of Cu-110 decreases as radiation damage accumulates, consistent with previous high-temperature irradiation studies on copper and other mono-atomic metals.

    “Consistent with previous high-temperature irradiation studies on copper [35] and other mono-atomic metals [16, 36], thermal diffusivity decreases as radiation damage accumulates (Figure 5).”

    From A facility for thermo-mechanical characterization of fusion magnet materials during cryogenic ion irradiation (2025) · cites this paper as [16]

    The title and bibliographic entry (section ‘2 Finished’; no page given) identify a study of thermal diffusivity in ion-irradiated iron, chromium, vanadium, and tungsten, but provide no findings. Searches for a dose-dependent decrease and high-temperature irradiation returned no results passages, so our copy cannot verify the trend attributed to this source. (LLM, conf=0.70)

    Experimental — accuracy not yet measured
  • A two-step fitting approach improved both thermal and functional fitting sensitivity compared to existing techniques, especially in cases with noisy or rapid signal decay.

    “This approach improved both thermal and functional fitting sensitivity compared to existing techniques [16, 31], especially in cases with noisy or rapid signal decay.”

    From A facility for thermo-mechanical characterization of fusion magnet materials during cryogenic ion irradiation (2025) · cites this paper as [16]

    The available passages are bibliographic metadata (section “2 Finished”) and an access-to-document listing (section “Abstract”); neither discusses fitting performance. Searches for two-step fitting, sensitivity, noise, and rapid signal decay found no passage addressing the claim. (LLM, conf=0.76)

    Experimental — accuracy not yet measured

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Authors
Wylie, A. P. C., Woller, K. B., Al Dajani, S. A. A., Dacus, B. R., Pickering, E. J., Preuss, M., & Short, M. P.
Affiliations
  • University of Manchester (GB)
  • Massachusetts Institute of Technology (US)
  • Department of Nuclear Science and Engineering, Massachusetts Institute of Technology 2 , Cambridge, Massachusetts 02139, USA
Corresponding author
Wylie, A. P. C.
Venue
Journal of Applied Physics
Published
2022-07-22
Volume
132
Issue
4
ISSN
  • 0021-8979 (ISSN-L)
  • 1089-7550
OpenAlex
W4286696830
Cited by
22
References
52
Citations by year
2026: 5 · 2025: 8 · 2024: 6 · 2023: 3
FWCI
1.20
Type
journal article
Language
en
Licence
other-oa
Locations
  • Journal of Applied Physics (publishedVersion)
  • Research Explorer (The University of Manchester) (publishedVersion, other-oa)
  • DSpace@MIT (Massachusetts Institute of Technology) (submittedVersion, cc-by-nc)
  • King Abdullah University of Science and Technology Repository (King Abdullah University of Science and Technology) (submittedVersion)
Funders
  • Engineering and Physical Sciences Research Council (EP/L01663X/1, EP/R00661X/1, EP/S019367/1, EP/P025021/1, EP/P025498/1)
  • National Science Foundation (DMR-1654548)
Topics
  • Physical Sciences › Materials Science › Materials Chemistry › Fusion materials and technologies
  • Physical Sciences › Engineering › Mechanics of Materials › Thermography and Photoacoustic Techniques
  • Physical Sciences › Materials Science › Materials Chemistry › Nuclear materials and radiation effects
Keywords
thermal diffusivity, ion irradiation, transient grating spectroscopy, radiation damage, metal single crystals, iron, chromium, vanadium, tungsten, self-ion irradiation, displacement damage, in-situ damage monitoring

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