Photo-induced transformations in amorphous chalcogenide nano-multilayers

  • Sandor KokenyesiEmail author
  • Dezso L. Beke
  • Kanatinkal S. Sangunni
  • Viktor Takats
  • Attila Csik
  • Lajos Daroczi


Photo-stimulated interdiffusion in a-Se/As2S3 amorphous chalcogenide nano-multilayers (ANML) is known as a useful method for amplitude-phase optical relief formation besides the known amorphous–amorphous or amorphous–crystalline photo-induced structural transformations (PST) in homogeneous chalcogenide layers, but it has a relatively narrow sensitivity spectral range and small amplitude modulation. Experimental evidences of improvement of optical recording processes were obtained in Te-, Bi-, Sb-containing nano-layered structures based on As2S3 matrix. The influence of nano-structuring and combination of components on the sensitivity, type of the recorded relief is discussed.


Optical Transmission GeSe Optical Transmission Spectrum Wide Spectral Range Optical Recording 
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This work was supported by OTKA Grants T046758, K67685 and D048594, as well as by Hungarian–Indian Bilateral R&D cooperation Grants. Authors are grateful to Dr. M. Shiplyak for the help in sample preparation.


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Copyright information

© Springer Science+Business Media, LLC 2007

Authors and Affiliations

  • Sandor Kokenyesi
    • 1
    Email author
  • Dezso L. Beke
    • 1
  • Kanatinkal S. Sangunni
    • 2
  • Viktor Takats
    • 1
  • Attila Csik
    • 1
  • Lajos Daroczi
    • 1
  1. 1.Institute of PhysicsUniversity of DebrecenDebrecenHungary
  2. 2.Department of PhysicsIndian Institute of ScienceBangaloreIndia

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