Semi-Coherent W/Fe Interface

Radiation & Shear Resistant

Enhanced resistance to radiation damage and shear deformation via periodic dislocation networks, outperforming incoherent interfaces, with implications for magnetic storage.

Dong, Yibin · Fei, Wang · Setyawan, Wahyu · Gao, Fei · Wang, Xuelin · Gao, Ning

Acta Materialia 2025

Advantages

Semi-coherent W(100)/Fe(100) and W(110)/Fe(110) interfaces show stronger thermal stability than incoherent ones

Rapid decrease of defect numbers and W-Fe atomic mixing at the interface after cascades

Results from MD simulations, not experimentally validated