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Far infrared study of some rare earth impurities in crystals of Pb 1-xSnx alloys
(Bucharest : National R&D Institute for Optoelectronics, 2009)
Single crystal samples of Pb0.9Sn0.1Te doped with Yb, Sm or Gd were produced using the Bridgman method. Far infrared reflectivity spectra were measured at room temperature for highly polished samples with various impurity ...
Far infrared study of local impurity modes of Boron-doped PbTe
(Springer US, 2012)
PbTe single crystals, doped with B, were grown using the Bridgman method. Far infrared spectra were measured in the temperature range between 10 K and room temperature. The experimental spectra were numerically analyzed, ...