Defects and Their Role in Determining Bulk Properties of Crystals.

Abstract

The luminescence and electrical properties of doped II-VI compounds have been related to the presence of specific impurity centers by identifying the center through its characteristic paramagnetic resonance and correlating resonance intensity with optical/electrical properties. Because the Jahn-Teller effect is found to occur for many of these impurity defects, it has been studied in simplified situations, Sc(2+) (3d1) in CdF2 and 0(-) (2p5) in KI. Self-activiated, copper, rare-earth, transition metal, and Group V centers are among the impurities studied. P-type ZnSe was produced by P and As doping. Shapr line rare earth fluorescence is excited via energy transfer in a (rare earth)(3+) -4Cu(+) complex. (Author)

Document Details

Document Type
Technical Report
Publication Date
Sep 01, 1970
Accession Number
AD0714620

Entities

People

  • William C. Holton

Organizations

  • Texas Instruments

Tags

DTIC Thesaurus Topics

  • Electrical Properties
  • Energy
  • Energy Transfer
  • Fluorescence
  • Impurities
  • Intensity
  • Luminescence
  • Metals
  • Paramagnetic Resonance
  • Resonance
  • Transition Metals
  • Transitions

Readers

  • Materials Science and Engineering.
  • Regression Analysis.