Evaluation of the nanoindentation behaviors of SiGe epitaxial layer on Si substrate

Bo Ching He, Chun Hu Cheng, Hua Chiang Wen, Yi Shao Lai, Ping Feng Yang, Meng Hung Lin, Wen Fa Wu, Chang Pin Chou

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

In this paper, ultra-high vacuum chemical vapor deposition (UHV/CVD) was employed to synthesize silicon-germanium (SiGe), and sequence to endure annealing treatment. Morphological characterization, roughness, and microstructural morphology were observed by means of scanning electron microscopy (SEM), atomic force microscopy (AFM), and transmission electron microscopy (TEM). The elements distribution, crystallographic, and nanomechanical behavior were carried out using energy-dispersive X-ray spectroscopy (EDS) mapping technique, X-ray diffraction (XRD), and nanoindentation technique. The annealing treated SiGe leads to the 2D germanium segregation on the surface. The phenomenon is interpreted in terms of dislocation-induced structural changes in annealing treatment. Thus, the dislocation propagation in the microstructure was observed. Subsequently hardness and elastic modulus were increased because of a comparatively unstable microstructure after annealing treatment.

Original languageEnglish
Pages (from-to)63-69
Number of pages7
JournalMicroelectronics Reliability
Volume50
Issue number1
DOIs
Publication statusPublished - 2010 Jan 1

Fingerprint

Germanium
Epitaxial layers
Silicon
Nanoindentation
nanoindentation
germanium
Annealing
annealing
evaluation
silicon
Substrates
microstructure
Microstructure
Ultrahigh vacuum
ultrahigh vacuum
Energy dispersive spectroscopy
Chemical vapor deposition
Atomic force microscopy
modulus of elasticity
x rays

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Safety, Risk, Reliability and Quality
  • Condensed Matter Physics
  • Surfaces, Coatings and Films
  • Electrical and Electronic Engineering

Cite this

Evaluation of the nanoindentation behaviors of SiGe epitaxial layer on Si substrate. / He, Bo Ching; Cheng, Chun Hu; Wen, Hua Chiang; Lai, Yi Shao; Yang, Ping Feng; Lin, Meng Hung; Wu, Wen Fa; Chou, Chang Pin.

In: Microelectronics Reliability, Vol. 50, No. 1, 01.01.2010, p. 63-69.

Research output: Contribution to journalArticle

He, Bo Ching ; Cheng, Chun Hu ; Wen, Hua Chiang ; Lai, Yi Shao ; Yang, Ping Feng ; Lin, Meng Hung ; Wu, Wen Fa ; Chou, Chang Pin. / Evaluation of the nanoindentation behaviors of SiGe epitaxial layer on Si substrate. In: Microelectronics Reliability. 2010 ; Vol. 50, No. 1. pp. 63-69.
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AU - Yang, Ping Feng

AU - Lin, Meng Hung

AU - Wu, Wen Fa

AU - Chou, Chang Pin

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