Stabilization of Diamond Cubic Sn Nanodots in Ge

Abstract

Diamond cubic Sn (alpha-Sn) has many potential optoelectronic applications, but is normally stable only below 13 degrees C. Here we demonstrate the stabilization of alpha-Sn nanodots at room temperature and above in a Ge matrix produced by rapid solidification of a Ge-6.3 at Sn alloy. High resolution transmission electron microscopy (HRTEM) and differential scanning calorimetry (DSC) were employed to study the structure and stability of Sn particles, respectively. We show that the formation pathway of a-Sn is through the decomposition of a Ge-Sn solid solution, which gives a thermodynamic driving force necessary for the formation of alpha-Sn.

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Document Details

Document Type
Technical Report
Publication Date
Jan 15, 2017
Accession Number
AD1115775

Entities

People

  • Edward P. Gorzkowski
  • Glenn G. Jernigan
  • J. P. Yesinowski
  • R. Goswami
  • S. B. Qadri

Organizations

  • United States Naval Research Laboratory

Tags

Communities of Interest

  • Air Platforms
  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Alloys
  • Controlled Atmospheres
  • Crystal Lattices
  • Crystal Structure
  • Crystals
  • Cubic Lattices
  • Electron Microscopes
  • Electron Microscopy
  • Energy
  • Fast Fourier Transforms
  • Free Energy
  • Materials
  • Nanotechnology
  • Optical Properties
  • Particles
  • Solid Solutions
  • Transmission Electron Microscopy

Fields of Study

  • Materials science

Readers

  • Materials Science and Engineering.
  • Plasma Physics / Magnetohydrodynamics
  • Semiconductor Device Technology

Technology Areas

  • Microelectronics