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Phase-change optical recording: the role of confinement

A. V. KOLOBOV1,2,* , J. HAINES1, A. PRADEL2, M. RIBES2, P. FONS1, J. TOMINAGA1

Affiliation

  1. Center for Applied Near-Field Optics Research, National Institute of Advanced Industrial Science and Technology 1-1-1, Higashi, Tsukuba 305-8562, Japan
  2. Laboratoire de physicochimie de la matiére condensée, UMR CNRS 5617, Université Montpellier II, Place Eugéne Bataillon, 34095 Montpellier Cedex 5, France

Abstract

A new insight into the amorphous nature of the recorded bits in optical phase-change recording. Pressures up to 5-6 GPa are expected upon melting of a confined bit while we cannot concluded that drives the bits into the amorphous state, the results shown in this paper clearly demonstrate that pressure is an important factor for the amorphization process in a device structure and should be considered on the way for improvement of current and development of novel optical discs and electrical phase-change memories for future uses..

Keywords

Phase-change materials, Optical recording, Confinement.

Submitted at: Nov. 1, 2006
Accepted at: Nov. 2, 2006

Citation

A. V. KOLOBOV, J. HAINES, A. PRADEL, M. RIBES, P. FONS, J. TOMINAGA, Phase-change optical recording: the role of confinement, Journal of Optoelectronics and Advanced Materials Vol. 8, Iss. 6, pp. 2161-2163 (2006)