Figure 8: Hydrogen effect on decohesion by quantum-mechanical approaches: (a) Traction separation curves for decohesion along Al(111) planes with a hydrogen coverage between 0 and 1, by Van der Ven and Ceder [54]. (b) Cleavage energy for decohesion along Al(111) and Fe(110) as a function of hydrogen coverage, by Jiang and Carter [55].
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