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机译:
Rice Univ, Dept Mech Engn & Mat Sci, Houston, TX 77251 USA;
Rice Univ, Dept Chem, Houston, TX 77251 USA;
GENERALIZED GRADIENT APPROXIMATION; WAVE BASIS-SET; DISILICIDE NANOWIRES; ELECTRONIC-STRUCTURE; YTTRIUM-DISILICIDE; SI(001); GROWTH; NANOTUBES; VACANCIES; ATOMS;