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Phase-Change Memory and OTS Selectors: A Challenge for the Future of Computing

Renzo Antonelli

Phase-Change Memory and OTS Selectors: A Challenge for the Future of Computing.

Rel. Gianluca Piccinini, Gabriele Navarro. Politecnico di Torino, Corso di laurea magistrale in Ingegneria Elettronica (Electronic Engineering), 2022

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Memory has a central role in computing and is a current subject of research and large investments; in the last few decades, new technologies and architectures have been proposed to overcome the major limits of the currently available memories based on charge storage. Intel already launched on the market the first generation of Phase Change Memory based on an innovative storage mechanism that meets the requirements of the Storage Class Memory niche; other companies like ST Microelectronics are already developing PCM memories for Automotive and Embedded Markets. Alongside PCM, new types of selectors that are willing to replace CMOS that exploit different physical principles are making their way into the scene offering new and innovative solutions. In this work, all the basics of PCM and Ovonic Threshold Switching (OTS) materials are covered: from the physical model to electrical characteristics. Theoretical results are supported by experimental evidence on Single devices and arrays. The Crossbar architecture and its advantages are mentioned and some preliminary results are shown.

Relators: Gianluca Piccinini, Gabriele Navarro
Academic year: 2022/23
Publication type: Electronic
Number of Pages: 53
Corso di laurea: Corso di laurea magistrale in Ingegneria Elettronica (Electronic Engineering)
Classe di laurea: New organization > Master science > LM-29 - ELECTRONIC ENGINEERING
Ente in cotutela: Institut National des Sciences Appliquees de Lyon - INSA (FRANCIA)
Aziende collaboratrici: CEA - LETI
URI: http://webthesis.biblio.polito.it/id/eprint/24670
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