Thermodynamic behavior of excitonic emission properties in manganese- and zinc-codoped indium phosphide diluted magnetic semiconductor layers

Sejoon Lee, Emil B. Song, Kang L. Wang, Chong S. Yoon, Im Taek Yoon, Yoon Shon, Tae Won Kang

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)

Abstract

The thermodynamic behavior of excitonic emission properties in manganese- and zinc-codoped indium phosphide (InMnP:Zn) diluted magnetic semiconductor (DMS) layers was investigated. Compared to the InMnP:Zn DMS layer (Mn ≈ 0.06%), the inhomogeneous thermal-broadening of the excitonic-emission line-width in InMnP:Zn DMS layer (Mn ≈ 0.29%) is dominant at lower temperatures. This is attributed to the increase of ionized impurity scattering from Mn ions and results in the increase of exciton-phonon coupling strength. As a consequence, high Mn content can lead to low excitonic emission efficiency, although generally a larger Mn content is favorable to increase the Curie temperature of a DMS material.

Original languageEnglish
Pages (from-to)23564-23567
Number of pages4
JournalJournal of Physical Chemistry C
Volume115
Issue number47
DOIs
Publication statusPublished - 2011 Dec 1

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Energy(all)
  • Physical and Theoretical Chemistry
  • Surfaces, Coatings and Films

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