宋佳明
  • 学位：博士
  • 职称：副教授
  • 所在单位：物理学院
教师拼音名称：songjiaming
所在单位：物理学院
办公地点：陕西省西安市长安区学府大道1号
性别：女
在职信息：在职
毕业院校：Freie Universitaet Berlin
硕士生导师
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Direct atomic fabrication and dopant positioning in Si using electron beams with active real time image-based feedback
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0.0
DOI码：
10.1002/pssb.201800173
发表刊物：
physica status solidi (b) - basic solid state physics
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
文献类型：
J
卷号：
255
期号：
9
页面范围：
1800173
是否译文：
否
收录刊物：
SCI
第一作者：
Jiaming Song
通讯作者：
Wolfgang Kuch
个人简介

宋佳明，西北大学物理学院副教授，硕士生导师。

目前主要从事纳米磁性材料的表面及界面磁性机理研究，以及新型二维范德华材料的光电及能源催化等方面的应用研究。欢迎加入，期待合作！


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