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July 18, 2026Nuclear Materials and EnergyOpen Access

B:D layer preparation, characterization and hydrogen isotope permeability for fusion application

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Authors

AHA. HoubenEWE. WarkentinMRM. Rasiński

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Overview

Randomized trial examines hydrogen isotope permeability in boron-coated materials, suggesting minimal impact on fusion device performance.

Key Points

  • To investigate the effect of boron coatings on hydrogen retention and permeability in fusion materials.
  • Producing pure and mixed B coatings via magnetron sputter deposition on W and steel substrates.
  • Characterizing the coatings through thermal desorption spectroscopy to study D binding.
  • Varying the Ar to D2 gas ratio during deposition and analyzing the layers formed.
  • B:D coatings show no measurable influence on hydrogen isotope permeation flux compared to non-coated steel.
  • D release from boron starts around 220 °C, peaking at 370 °C, and decreases to 830 °C.
  • Coatings remain homogeneous and stable up to 1000 °C without oxidation in air.

Cite This Study

Houben et al. (2026) studied this question.

synapsesocial.com/papers/6a5b172618557b26c203968dhttps://doi.org/10.1016/j.nme.2026.102187
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