Hydrogen chemisorption on Si(111)√ 3×√ 3R30∘-B passivated surface studied by thermal desorption and scanning tunneling microscopy

► STM-TDS combined study of atomic H chemisorption on the Si(111)√ 3x√ 3R30∘-B surface. ► H is reactive on the Si(111)√ 3x√ 3R30∘-B surface. ► H is adsorbed on the surface by destroying the √ 3x√ 3 structure.