Off-axis electron holography and microstructure of Ba0.5Sr0.5TiO3 thin film grown on LaAlO3

Details Off-axis electron holography and microstructure of Ba0.5Sr0.5TiO3 thin film grown on LaAlO3 Off-axis electron holography and microstructure of Ba0.5Sr0.5TiO3 thin film grown on LaAlO3

2004-05-20

arxiv.org/abs/cond-mat/0405479v1

Physics

Condensed Matter

Materials Science

14 pages, 4figures, submitted to APL

Scientific paper

10.1103/PhysRevB.71.115419

Epitaxial Ba0.5Sr0.5TiO3 thin films grown on the (001) LaAlO3 substrates with the ferroelectric transition of about 250K have been investigated by TEM and off-axis electron holography. Cross-sectional TEM observations show that the 350nm-thick Ba0.5Sr0.5TiO3 film has a sharp interface with notable misfit dislocations. Off-axis electron holographic measurements reveal that, at low temperatures, the ferroelectric polarization results in systematic accumulations of negative charges on the interface and positive charges on the film surface, and, at room temperature, certain charges could only accumulate at the interfacial dislocations and other defective areas.

Affiliated with

Also associated with

No associations

Rating

Off-axis electron holography and microstructure of Ba0.5Sr0.5TiO3 thin film grown on LaAlO3 does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Off-axis electron holography and microstructure of Ba0.5Sr0.5TiO3 thin film grown on LaAlO3, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Off-axis electron holography and microstructure of Ba0.5Sr0.5TiO3 thin film grown on LaAlO3 will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-551877