Chemical turnstile

Lee, W. T. and Salje, E. K. H. (2005) Chemical turnstile. Applied Physics Letters, 87 (14). DOI 10.1063/1.2084339

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Abstract

A chemical turnstile is a device for transporting small, well-characterized doses of atoms from one location to another. A working turnstile has yet to be built, despite the numerous technological applications available for such a device. The key difficulty in manufacturing a chemical turnstile is finding a medium which will trap and transport atoms. Here we propose that ferroelastic twin walls are suitable for this role. Previous work shows that twin walls can act as two-dimensional trapping planes within which atomic transport is fast. We report simulations showing that a stress-induced reorientation of a twin wall can occur. This behavior is ideal for chemical turnstile applications.

Item Type: Article
Uncontrolled Keywords: 2005 AREP 2005 P IA49
Subjects: 03 - Mineral Sciences
Divisions: 03 - Mineral Sciences
Journal or Publication Title: Applied Physics Letters
Volume: 87
Identification Number: 10.1063/1.2084339
Depositing User: Sarah Humbert
Date Deposited: 02 Mar 2011 16:40
Last Modified: 23 Jul 2013 09:59
URI: http://eprints.esc.cam.ac.uk/id/eprint/1720

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