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Negative materials: nature’s surprises

Lecture by Professor Martin Dove, Professor and Director of the Centre for Condensed Matter and Materials at QMUL.

Common experience, together with a bit of knowledge about how atoms work together, tells us that materials expand when heated, and get stiffer when squashed. We expect no exceptions, yet in recent years we are finding an increasing number of materials whose behaviour is exactly the opposite of our intuition; these are often called “negative materials”. I will describe the types of material that show negative thermal expansion (shrinking instead of expanding when heated) and discuss the ideas we have recently develop to explain this phenomenon. This work has led us to predict that materials that show negative thermal expansion will also show another negative property, that of becoming elastically softer when compressed, which I will also discuss.

The lecture will be followed by a networking drinks reception.


Professor Martin Dove | talks


Date and Time:

20 October 2016 at 6:30 pm


1 hour



Skeel Lecture Theatre, People's Palace
Mile End Campus, Queen Mary University of London
Mile End Road
E1 4NS
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Organised by:

Events Office, Queen Mary University of London
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Additional Information:

For further information contact: b.prescott@qmul.ac.uk or visit www.qmul.ac.uk/events/meetprofessors/

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