Insights into the Origins of Guided Microtrenches and Microholes/rings from Sn Segregation in Germanium–Tin Epilayers

• DOI: 10.1021/acs.jpcc.0c03820
• Publication Date: 2020-08-18T11:39:47Z
• Authors: Shaoteng Wu; Lin Zhang; Bongkwon Son; Qimiao Chen; Hao Zhou; Chuan Seng Tan
• Keywords: Germanium; Tin; :Electrical and electronic engineering::Semiconductors [Engineering]; 02 engineering and technology; 0210 nano-technology; 01 natural sciences; 0104 chemical sciences

We demonstrate the self-assembly synthesis of millimeter-long guided trenches and microholes/rings in the supersaturated GeSn epilayers through two approaches: epitaxial growth engineering and ther...