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Politics : RAMTRONIAN's Cache Inn
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From: NightOwl1/3/2008 4:48:41 PM
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Centre for Nanostructured Media (IRCEP Research Cluster)
DEL PhD Research Project 2006

Supervised by Dr Gregg, Dr Pollard, and Dr Bowman

Towards Self-Assembled Ferroelectric Memories

The overall aim of the work is to fabricate isolated nanometre scale ferroelectric capacitor structures through self-assembly techniques (based on the use of thin film nano-porous alumina templates) and subsequently characterise their properties to elucidate nano-scale effects on functional properties.

Ferroelectric memories are currently being pursued as a non-volatile replacement for DRAM (replacement target date 2018), but are already being used in specific RAM chips (Sony Playstations) and in SMART cards. Issues in the future prospects for FRAM’s are: (i) memory density (scaling down capacitor cell sizes); (ii) cost; (iii) ferroelectric performance when the size of the ferroelectric has been reduced down to the nanoscale. The proposed project addresses all of the issues above, by exploring the extent to which nanoscale FRAM analogues can be made using self-assembly techniques, and then subsequently characterising the functional behaviour of the nanoscale capacitor structures, to reveal fundamental physics responsible for ‘size effects’ in ferroelectrics. The proposed work is largely based on that associated with a programme recently funded by the EPSRC (started in Sept 2005) in collaboration with Prof JF Scott (Cambridge) and Prof J-M Triscone (Geneva).

qub.ac.uk
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