In this paper, recent progress of phase change memory (PCM) is reviewed. The electrical and thermal properties of phase change materials are surveyed with a focus on the scalability of the materials and their impact on device design. Innovations in the device structure, memory cell selector, and strategies for achieving multibit operation and 3-D, multilayer high-density memory arrays are described. The scaling properties of PCM are illustrated with recent experimental results using special device test structures and novel material synthesis. Factors affecting the reliability of PCM are discussed.
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Natl Inst Appl Ind Sci & Technol, Nanoelect Res Inst, Tsukuba, Ibaraki 3058562, JapanNatl Inst Appl Ind Sci & Technol, Nanoelect Res Inst, Tsukuba, Ibaraki 3058562, Japan
Simpson, R. E.
Fons, P.
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Natl Inst Appl Ind Sci & Technol, Nanoelect Res Inst, Tsukuba, Ibaraki 3058562, Japan
SPring 8, Japan Synchrotron Radiat Res Inst JASRI, Mikazuki, Hyogo 6795198, JapanNatl Inst Appl Ind Sci & Technol, Nanoelect Res Inst, Tsukuba, Ibaraki 3058562, Japan
Fons, P.
Kolobov, A. V.
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Natl Inst Appl Ind Sci & Technol, Nanoelect Res Inst, Tsukuba, Ibaraki 3058562, Japan
SPring 8, Japan Synchrotron Radiat Res Inst JASRI, Mikazuki, Hyogo 6795198, JapanNatl Inst Appl Ind Sci & Technol, Nanoelect Res Inst, Tsukuba, Ibaraki 3058562, Japan
Kolobov, A. V.
Fukaya, T.
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Natl Inst Appl Ind Sci & Technol, Nanoelect Res Inst, Tsukuba, Ibaraki 3058562, JapanNatl Inst Appl Ind Sci & Technol, Nanoelect Res Inst, Tsukuba, Ibaraki 3058562, Japan
Fukaya, T.
Krbal, M.
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Natl Inst Appl Ind Sci & Technol, Nanoelect Res Inst, Tsukuba, Ibaraki 3058562, JapanNatl Inst Appl Ind Sci & Technol, Nanoelect Res Inst, Tsukuba, Ibaraki 3058562, Japan
Krbal, M.
Yagi, T.
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Natl Inst Adv Ind Sci & Technol, Natl Metrol Inst Japan, Tsukuba, Ibaraki 3058563, JapanNatl Inst Appl Ind Sci & Technol, Nanoelect Res Inst, Tsukuba, Ibaraki 3058562, Japan
Yagi, T.
Tominaga, J.
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Natl Inst Appl Ind Sci & Technol, Nanoelect Res Inst, Tsukuba, Ibaraki 3058562, JapanNatl Inst Appl Ind Sci & Technol, Nanoelect Res Inst, Tsukuba, Ibaraki 3058562, Japan