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DOI码：10.1002/pssb.201800173

所属单位：物理学院

发表刊物：physica status solidi (b) - basic solid state physics

刊物所在地：国外学术期刊

摘要：The growth and crystalline structure of ultrathin Mn films are studied in terms of thickness and temperature by scanning tunneling microscopy (STM) as well as medium- and low-energy electron diffraction. We show that the Mn films deposited at room temperature exhibit a thickness-dependent growth behavior with a layer-by-layer growth mode up to 5.3 monolayers. Two transitions in the growth mode can be observed in this range. Atomically resolved STM images of a submonolayer of Mn on Ni(111) reveal a lateral lattice distortion which becomes less significant after the islands form a wetting layer at room temperature. The low-temperature-deposited wetting layer shows a metastable lattice distortion which vanishes after annealing to room or higher temperatures. This phenomenon may be attributed to a temperature-dependent metastable arrangement of the Mn adlayer as well as the distinct interaction strength between Mn–Mn and Mn–Ni atoms. Low-temperature-grown thick Mn films exhibit a Stranski–Krastanov growth mode with a stable r3xr3 R30° reconstruction, which remains stable up to room temperature.

论文类型：期刊论文

论文编号：5b75928c66e36bee016735ca94794399

文献类型：J

卷号：255

期号：9

页面范围：255/9/1800173

ISSN号：0370-1972

是否译文：否

收录刊物：SCI

第一作者：Jiaming Song

通讯作者：Wolfgang Kuch