作者: F. Glowacki , C. Le Royer , Y. Morand , J.-M. Pédini , T. Denneulin
DOI: 10.1016/J.SSE.2014.04.026
关键词:
摘要: Abstract 300 mm ultrathin Silicon-On-Insulator (SOI) wafers with SiGe/Si stacks on top were used as pre-structures for the fabrication of 5 nm thick SiGe-On-Insulator (SGOI) substrates obtained by Ge enrichment technique. Those will be channel advanced Fully Depleted (FD) p-type Metal Oxide Semiconductor Field Effect Transistors (pMOSFET). We present in first part successful SGOI wafers. Various characterization techniques are to investigate profile and final strain fabricated Si 0.7 0.3 film. Secondary Ions Mass Spectrometry (SIMS) Scanning Transmission Electron Microscopy (STEM) clearly show that content is very homogeneous ( x = 30 ± 1%) SiGe layer. Raman spectroscopy High Angle Annular Dark (HAADF) STEM both confirm film compressively strained (−2 GPa). The second dedicated sensitivity process (based numerical modelling). impact single combined fluctuations pre-structure parameters T , SiGe,0 Ge,0 ) layer ).