s,p-d Exchange Constants of ZnFeTe Diluted Magnetic Semiconductor |
| W. Mac, M. Herbich, Nguyen The Khoi, A. Twardowski Institute of Experimental Physics, Warsaw University, Hoża 69, 00-681 Warszawa, Poland Y. Shapira Physics Department, Tufts University, Medford, USA and M. Demianiuk Institute of Technical Physics, Military Academy of Technology, 00-908 Warszawa, Poland |
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| Reflectance and degree of polarization of reflectance of the free exciton in Zn1-xFexTe (x ≈ 0.002) was measured at T = 1.9 K and magnetic field up to 5 T. Combining the exciton splitting with the magnetization data we estimated the exchange constant N0(α-β) = 2.1 eV. |
| DOI: 10.12693/APhysPolA.88.845 PACS numbers: 71.70.Gm, 78.20.Ls |