Study of KCl + x% in and KCl + y% tici thin films

The present work reports the study of KCl thin films doped with In + or Tl + . Both systems show optical absorption bands similar to single crystals. As the impurity concentration increases, so does the absorption as also the half band width, unlike in KCl:Cu + films. Further experimental techniques such as X-ray diffraction, scanning electron micrographs and energy dispersive X-ray observations were used and comparative analysis with KCl:Cu + films reveals new conditions for better crystallinity of the samples.