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Investigations of Cd0.9Mn0.1Te Doped with Au, Cu, As and P Acceptors Using Optical Absorption and Photoluminescence
Published online by Cambridge University Press: 26 February 2011
Abstract
Using absorption and photoluminescence investigations the energies of shallow acceptors are determined as follows: 0.11 eV for P; 0.12 eV for As; 0.17 eV for Cu and 0.18 eV for Au. Deep level energies are found as 0.28 eV for P; 0.29 eV for As; 0.41 eV and 0.92 eV for Cu; and 0.33 eV, 0.69 eV and 1.25 eV for Au dopants. Acceptor concentrations in the 1017cm−3 range are achieved for As and P dopants, but for Au and Cu high compensation is found.
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