Pressure Effects on Magneto-Optical Properties in Cadmium Telluride/(Cadmium, Manganese) Telluride Single Quantum Well with High Manganese Concentration

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The pressure effect on the magnetic field induced type I-type II transition is studied in a CdTe/Cd<sub>1-x</sub>Mn<sub>x</sub>Te (x=0.24) single quantum well (SQW). Photoluminescence (PL) measurements under hydrostatic pressures up to 1.07 GPa and long pulsed magnetic fields up to 60 T with a pulse duration of 2 sec are reported. The pressures were generated in a plastic diamond anvil cell (DAC). A bend toward lower energies (additional red shift) is observed above 28.5 T in magnetic field dependence of the exciton energy for a 13 Aring thick quantum well. We attribute this red shift to a phenomenon preceding the type ... continued below

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Yokoi, H.; Tozer,S.; Kim, Y.; Rickel, D.; Kakudate, Y.; Usuba, S. et al. November 9, 1998.

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The pressure effect on the magnetic field induced type I-type II transition is studied in a CdTe/Cd<sub>1-x</sub>Mn<sub>x</sub>Te (x=0.24) single quantum well (SQW). Photoluminescence (PL) measurements under hydrostatic pressures up to 1.07 GPa and long pulsed magnetic fields up to 60 T with a pulse duration of 2 sec are reported. The pressures were generated in a plastic diamond anvil cell (DAC). A bend toward lower energies (additional red shift) is observed above 28.5 T in magnetic field dependence of the exciton energy for a 13 Aring thick quantum well. We attribute this red shift to a phenomenon preceding the type I-type II transition after a comparison with a simple quantum mechanical calculation. The onset field of the additional red shift increases by 3.4 T by applying a pressure of 1.07 GPa. Spin-spin coupling between the exciton and the Mn ion in the interface region is also investigated and found to be enhanced by pressure.

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OSTI as DE00760126

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  • 43rd Magnetism and Magnetic Materials, Miami, FL (US), 11/09/1998--11/12/1998

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  • Report No.: LA-UR-98-4157
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 760126
  • Archival Resource Key: ark:/67531/metadc716143

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  • November 9, 1998

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  • Sept. 29, 2015, 5:31 a.m.

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Yokoi, H.; Tozer,S.; Kim, Y.; Rickel, D.; Kakudate, Y.; Usuba, S. et al. Pressure Effects on Magneto-Optical Properties in Cadmium Telluride/(Cadmium, Manganese) Telluride Single Quantum Well with High Manganese Concentration, article, November 9, 1998; New Mexico. (digital.library.unt.edu/ark:/67531/metadc716143/: accessed November 15, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.