High-field magnetopholuminescence in Cd1-xCoxSe(x = 0.012) and Cd1-xMnxSe(x = 0.10, 0.25) under high pressures at 4.2 K

Y. Matsuda, N. Kuroda, I. Mogi, G. Kido, Y. Nishina

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Photoluminescence in diluted magnetic semiconductors Cd1-xCoxSe(x = 0.012) and Cd1-xMnxSe(x = 0.10, 0.25) has been measured under magnetic fields up to 27 T at 4.2 K in the presence of hydrostatic pressures up to 2GPa. The pressure dependence of the giant Zeeman shift of the A-exciton in Cd1-xCoxSe(x = 0.012) shows that the ferromagnetic exchange field due to Co2+ ions increases with pressure at a rate of 6-7%/GPa, which is an order of magnitude greater than the compressibility of the lattice constant. In Cd1-xMnxSe, on the other hand, the exchange field due to Mn2+ ions is insensitive to pressure for x= 0.10 and rather decreases with pressure for x = 0.25.

Original languageEnglish
Pages (from-to)411-414
Number of pages4
JournalPhysica B: Physics of Condensed Matter
Issue numberC
Publication statusPublished - 1994 Jan 1

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering


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