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Spin wave computing : a possible route towards novel logic

Mardi 24 février 2015 17:00 - Duree : 2 heures
Lieu : Salle de visio-conférence du Bâtiment André Rassat |RdC | 470, rue de la Chimie | Campus Saint Martin d’ Hères

Orateur : Dr. Bart Sorée (IMEC, Belgium)

Abstract : The main idea behind wave computing is to make a paradigm shift in the way we design devices. Instead of making conventional devices that are part of a logic function, the goal is to make devices that already realize a logic function more functional than just an elementary switch. Wave computing may realize this and is based on using the informat ion carried by a wave such as amplitude, phase and frequency. The expectation is that one would need lessinterconnect as this is already part of the device (i.e. the realization of a complex logic function in one device removes the otherwise required local interconnect present in conventional CMOS logic). Spin wave computing uses magnonic excitations which result in magnetization waves(coined spin waves in literature) propagating in ferromagnetic materials (spin wave bus). In order to excite, manipulate and detect spin waves different possibilities exist : magnetic tunnel junctions, microwave antenna or magnetoelectric elements. Spin wave computation uses interference and phase manipulation to obtain the desired computational outcome. In this lecture, we start with a short introduction into the dynamics of magnetism in matter and the resulting spin wave theory and experimental verification thereof. In the second part of the lecture the application of spin waves for wave computing (logic) will be discussed and an overview of the current status of research and applications will be given.

Biography : Bart Sorée received his Master Engineering Physics degree in 1998 and Master Theoretical Physics degree in 1999, both from University Ghent, and obtained his PhD in Theoretical Physics from the KULeuven in 2003. In 2004 he joined imec, Leuven as a staff member focussing on theoretical nano & quantum electronic devices & materials. He is currently member of the Physics, modelling and simulation group in imec investigating & developing novel beyond CMOS charge and non-charge based devices where he is involved in wave based computing devices and novel energy filtering devices. Since 2011 he is a part-timeprofessor in the physics department at the University of Antwerp in the condensed matter theory group and since 2014 he is also appointed part-time professor at the KULeuven electrical engineering department. Bio :https://www.linkedin.com/in/bartsoree

More info : https://master-nanosciences.ujf-grenoble.fr/sites/default/files/Formation/brochure_capita_selecta2014-2015.pdf

Acces map on : http://tech.neel.cnrs.fr/rtrananoscience/files/web/Plan_salledeconference_Rassat_SMH.pdf

Discipline évènement : (Biologie / Chimie) - Discipline évènement : (Physique)
Entité organisatrice : (Master Erasmus Mundus Nano)
Nature évènement : (Séminaire)
Evènement répétitif : (Capita Selecta Lectures Series)
Site de l'évènement : Domaine Universitaire de St Martin d’Hères

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