Phase-change technologies: from PCRAM to probe-storage to processors

Conference paper

Wright, C., Ashawaraya, P., Ashwin, P., Aziz, M., Hicken, R., Kohary, K., Liu, Y., Marmier, A., Shah, P., Vazquez, J. and Wang, L. 2010. Phase-change technologies: from PCRAM to probe-storage to processors. European Phase Change and Ovonic Conference. Milano 05 - 07 Sep 2010
TypeConference paper
TitlePhase-change technologies: from PCRAM to probe-storage to processors
AuthorsWright, C., Ashawaraya, P., Ashwin, P., Aziz, M., Hicken, R., Kohary, K., Liu, Y., Marmier, A., Shah, P., Vazquez, J. and Wang, L.
Abstract

Phase-change materials based on chalcogenide alloys, for example GeSbTe and AgInSbTe, show remarkable
properties such as: the ability to be crystallized by pulses in the (hundreds of) femtoseconds region while at the same time withstanding spontaneous crystallization for many years; the ability to be cycled between phases 1012 times or more; the existence of a huge contrast between the refractive index of the phases; the existence of a huge electrical contrast between phases. These remarkable properties make phase-change materials suitable for a wide range of optical and electrical applications, for optical and electrical memories, for optical routers, for optical and electrical processors. In this paper we describe theoretical and experimental investigations of some of the key application areas, with a view to providing insights into the possible future use of phase-change materials.

Keywordsphase-change technologies, phase-change memories, phase-change processors, femtosecond switching
Research GroupSensoLab group
ConferenceEuropean Phase Change and Ovonic Conference
Publication dates
Print2010
Publication process dates
Deposited28 Apr 2011
Output statusPublished
Web address (URL)http://www.epcos.org/library/papers/pdf_2010/Oral/B01-Wright.pdf
LanguageEnglish
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Wang, L., Shah, P., Wright, C. and Aziz, M. 2010. Towards ultra-high density scanning-probe memory using rewritable phase-change media. European Phase Change and Ovonic Conference. Milan, Italy 05 - 07 Sep 2010
The design of rewritable ultrahigh density scanning-probe phase-change memories
Wright, C., Wang, L., Shah, P., Aziz, M., Varesi, E., Bez, R., Moroni, M. and Cazzaniga, F. 2011. The design of rewritable ultrahigh density scanning-probe phase-change memories. IEEE Transactions on Nanotechnology. 10 (4), pp. 900-912. https://doi.org/10.1109/TNANO.2010.2089638
Ultra high density scanning electrical probe phase-change memory for archival storage
Wang, L., Wright, C., Shah, P., Aziz, M., Sebastian, A., Pozidis, H. and Pauza, A. 2011. Ultra high density scanning electrical probe phase-change memory for archival storage. Japanese Journal of Applied Physics. 50 (9S1), pp. 1-2. https://doi.org/10.1143/JJAP.50.09MD04
Scanning probe memories - Technology and applications
Wright, C., Aziz, M., Shah, P. and Wang, L. 2011. Scanning probe memories - Technology and applications. Current Applied Physics. 11 (2, Supplement), pp. e104-e109. https://doi.org/10.1016/j.cap.2010.11.130
Write strategies for multiterabit per square inch scanned-probe phase-change memories
Wright, C., Shah, P., Wang, L., Aziz, M., Sebastian, A. and Pozidis, H. 2010. Write strategies for multiterabit per square inch scanned-probe phase-change memories. Applied Physics Letters. 97 (17). https://doi.org/10.1063/1.3506584
Novel soft-feedback equalization method for multilevel magnetic recording
Shah, P., Ahmed, M., Ambroze, M., Tjhai, C. and Davey, P.J. 2007. Novel soft-feedback equalization method for multilevel magnetic recording. Tenth joint Magnetism and Magnetic Materials - International Magentics (MMM–INTERMAG) conference. Baltimore, Maryland, USA 07 - 11 Jan 2007 IEEE. https://doi.org/10.1109/TMAG.2007.894010