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Crystal growth within a phase change memory cell

Author

Listed:
  • Abu Sebastian

    (IBM Research–Zurich)

  • Manuel Le Gallo

    (IBM Research–Zurich)

  • Daniel Krebs

    (IBM Research–Zurich)

Abstract

In spite of the prominent role played by phase change materials in information technology, a detailed understanding of the central property of such materials, namely the phase change mechanism, is still lacking mostly because of difficulties associated with experimental measurements. Here, we measure the crystal growth velocity of a phase change material at both the nanometre length and the nanosecond timescale using phase-change memory cells. The material is studied in the technologically relevant melt-quenched phase and directly in the environment in which the phase change material is going to be used in the application. We present a consistent description of the temperature dependence of the crystal growth velocity in the glass and the super-cooled liquid up to the melting temperature.

Suggested Citation

  • Abu Sebastian & Manuel Le Gallo & Daniel Krebs, 2014. "Crystal growth within a phase change memory cell," Nature Communications, Nature, vol. 5(1), pages 1-9, September.
    • Handle: RePEc:nat:natcom:v:5:y:2014:i:1:d:10.1038_ncomms5314
    DOI: 10.1038/ncomms5314
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    Cited by:

    1. Yudong Cheng & Qun Yang & Jiangjing Wang & Theodoros Dimitriadis & Mathias Schumacher & Huiru Zhang & Maximilian J. Müller & Narges Amini & Fan Yang & Alexander Schoekel & Julian Pries & Riccardo Mazz, 2022. "Highly tunable β-relaxation enables the tailoring of crystallization in phase-change materials," Nature Communications, Nature, vol. 13(1), pages 1-9, December.

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