【摘要】 利用LEED图形拟合的方法对大量不同取向In Si表面的稳定性和小面化进行了研究 ,新发现了In覆盖度在1 2单层原子以下的三个稳定表面 :Si(2 14 ) In ,Si(317) In和Si(4 36 ) In ,以及In覆盖度在 1单层原子左右的两个稳定表面Si(10 1) In和Si(313) In .此外还确定了In覆盖度在 1单层原子左右的 6个稳定In Si表面的家族领地以及In覆盖度在 1 2单层原子以下的 4个稳定In Si表面的家族领地 .特别值得注意的是Si(10 3) In的家族领地相当大 ,甚至比最稳定的Si(111) 7× 7表面的还大些更多还原

【Abstract】 With the method of LEED graphic fitting, we have made a thorough study on the stability and faceting of In/Si surfaces. As a result, three new In/Si stable surfaces with less than 0.5 ML coverage ,that is, Si(2 1 4)-In, Si(3 1 7)-In and Si(4 3 6)-In and two In/Si stable surfaces with about 1ML coverage, that is, Si(1 0 1)-In and Si(3 1 3)-In, have been found. Meanwhile, the family territories of total 4 In/Si stable surfaces with less than 0.5 ML coverage and 6 with about 1ML coverage have been roughly determined. Particulaty, the family territory of Si(1 0 3)-In is rather big, even a little bigger than that of Si(1 1 1)-In.更多还原