Lanthanum Aluminate Low Magnification

Perovskites are generally characterized by large covalently bonded, closely packed structures that appear cubic and have an atom with a significantly smaller atomic radius located at the center. When electrical fields are applied to perovskites, the smaller, central atom can move within the crystal lattice without breaking bonds. Lanthanum aluminate is not itself a superconductor, but is of great interest to the scientific community because it is well suited as an epitaxial substrate for growing thin films of related superconducting materials. For instance, buckminsterfullerenes, nicknamed buckyballs, are 60-carbon alkenes that are capable of superconducting at relatively high temperatures and can be grown as thin films on lanthanum aluminate substrates. Current techniques for growing perovskite thin films on lanthanum aluminate substrates include metal oxide chemical vapor deposition (MOCVD) and molecular beam epitaxy (MBE).


© 1995-2013 by Michael W. Davidson and The Florida State University. All Rights Reserved. No images, graphics, software, scripts, or applets may be reproduced or used in any manner without permission from the copyright holders. Use of this website means you agree to all of the Legal Terms and Conditions set forth by the owners.
This website is maintained by our
Graphics & Web Programming Team
in collaboration with Optical Microscopy at the
National High Magnetic Field Laboratory.
Last modification: Monday, Jan 05, 2004 at 06:18 PM
Access Count Since September 19, 1995: 19864
Microscopes provided by:
Visit the Nikon website. Visit the Olympus Microscopy Resource Center website.