Boron has a high cross-section for neutron absorption
Multiple studies and nuclear applications confirm that boron possesses a notably high cross-section for neutron absorption, making it highly effective for neutron shielding and boron neutron-capture therapy.
The retrieved literature consistently notes that boron and its isotopes (particularly boron-10) have a high thermal neutron capture cross-section, which is the foundational principle behind both boron-based radiation shielding and boron neutron-capture therapy (BNCT). There are no papers refuting this well-established nuclear property.
Wang W, Zhang E, Shan J, Zhang M, Cai R, Li R, Pang L, Li B, Zang D. State-of-the-art boron clusters for boron neutron-capture therapy.. 2026. https://doi.org/10.7150/thno.123376
Paper 1 discusses boron neutron-capture therapy, which relies on the neutron-capture reaction when thermal neutrons are absorbed by boron-10.
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Kim D, Kim G, Jeong H, Hossain SM, Bhattacharjee S, Kwon MI, Lee Y, Yang C, Ham YS, Kim TS, Moon H, Park I, Lee SC, Kim J, Kim J, Park J. Direct Growth of Transparent Boron Nitride Neutron Shielding Layer for Space Window.. 2026. https://doi.org/10.1002/advs.202516390
Paper 3 highlights that hexagonal and cubic boron nitride possess a high boron-10 density providing a large thermal-neutron cross-section.
Ma Q, Zhang P, Zhang H, Su H, Zhang T, Zhang Z, Pan Y, Chen R, Ran J. Core clinical procedures and efficacy-enhancing strategies in boron neutron capture therapy.. 2026. https://doi.org/10.1007/s12672-026-04774-y
Paper 9 describes boron neutron capture therapy as relying on boron compounds and their high thermal neutron capture cross-section.
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