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Phase change thin films for non-volatile memory applications.

A Lotnyk1, M Behrens1, B Rauschenbach1

  • 1Leibniz Institute of Surface Engineering (IOM) Permoserstr. 15 04318 Leipzig Germany andriy.lotnyk@iom-leipzig.de.

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|September 22, 2022
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Summary
This summary is machine-generated.

Chalcogenide phase change materials are key for fast, scalable, non-volatile memory needed for Internet of Things devices. This review covers their materials science, focusing on structure and transitions for advanced computing applications.

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Area of Science:

  • Materials Science
  • Condensed Matter Physics
  • Computer Engineering

Background:

  • The Internet of Things (IoT) demands real-time data processing, driving the need for advanced computing technologies.
  • Phase change memory (PCM) offers a promising solution due to its speed, scalability, non-volatility, and multilevel data storage capabilities.
  • PCM is suitable for emerging applications like neuro-inspired and all-photonic in-memory computing.

Purpose of the Study:

  • To review the materials science of chalcogenide-based phase change thin films for non-volatile memory.
  • To emphasize the role of local structure, disorder, and transitions in determining material properties.
  • To provide insights for designing universal memory devices.

Main Methods:

  • Review of existing literature on chalcogenide phase change materials.
  • Analysis of structure-property relationships in phase change thin films.
  • Focus on order-disorder transitions and interfacial phenomena.

Main Results:

  • Chalcogenide phase change materials exhibit exceptional properties for memory applications.
  • Control over local structure and disorder is crucial for optimizing memory performance.
  • Understanding interfacial transformations is vital for device stability and functionality.

Conclusions:

  • Chalcogenide phase change materials are critical for next-generation non-volatile memory.
  • Further research into materials science aspects will enable the development of universal memory solutions.
  • The review highlights key areas for future investigation in phase change thin films.