Simulation of the writing and erasing processes of GeSbTe and GeSbTeSn with GeN interlayers in the case of dual level DVR discs

B. Hyot1, L. Poupinet1, M.F. Armand1, B. Rolland1, J. Marty1, A. Fargeix1, O. Lartigue1, A. Lagrange1, R. Anciant2, H. Hofmann3, S. Knappman3, J. Knittel3, H. Richter3
1CEA/Léti, FRANCE, France
2MPO, Villaines-la-Juhel, FRANCE
3Thomson multimedia, Villingen-Schwenningen, GERMANY

Tóm tắt

In current research on optical phase change data storage, it is essential to understand accurately the physics underlying writing and erasing processes. Computer simulation combined with the appropriate physical models and experimental data is the most valuable tool available. We have established optical, thermal and phase transformation (thermodynamics and kinetics) models and constructed a simulation based on them. We use this simulation to reproduce and forecast the writing and erasing processes of GeSbTe and GeSbTeSn with GeN interlayers in the case of dual level DVR (digital video recording) discs.

Từ khóa

#Writing #Computational modeling #Memory #Physics #Computer simulation #Optical recording #Thermodynamics #Kinetic theory #Predictive models #Video recording

Tài liệu tham khảo

2001, Etude physique et theorique des matériaux à changernent de phase pour disques optiques, PhD B Hyot hyot, 0, Analysis of writing and erasing behaviors in phase change materials, J Magn Magn Mater kurokawa, 2001, A 41.8GB double-decker phase change disc, ODS'01 meeting 10.1143/JJAP.40.1592 10.1143/JJAP.40.1598 poupinet, 2001, Simulation of the writing and erasing processes in optical discs based on phase change material, the EPCOS'01 meeting lagrange, 0, Rigorous vectorial high NA computation of the electric field near the focus and inside the thin film stack of optical discs, ODS'02