| http://www.w3.org/ns/prov#value | - According to the present invention, a crystal silicon region is expanded by forming a film, particle or cluster containing at least one of Ni, Fe, Co, Ru, Rh, Pd, Os, Ir, Pt, Sc, Ti, V, Cr, Mn, Cu, Zn, Au and Ag such as island, stripe, line, dot or film of nickel or other simple metal substances described above or their silicide as a starting point and by developing those metal elements from the p
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