Articles tagged "chemical segregation"

The 16th European Microscopy Congress 2016
Aberration-corrected STEM and EELS investigations of grain boundaries in an optimised BaTiO3 based PTCR ceramic
Kristina Holsgrove (1), Demie Kepaptsoglou (2), Alan Douglas (1), Quentin Ramasse (2), Eric Prestat (3), Sarah Haigh (3), Amit Kumar (1), Marty Gregg (1), Miryam Arredondo (1)
1. School of Mathematics and Physics, Queen's University Belfast, Belfast, Royaume Uni 2. SuperSTEM Laboratory, STFC Daresbury, Daresbury, Royaume Uni 3. School of Materials, University of Manchester, Manchester, Royaume Uni
Positive temperature coefficient of resistivity (PTCR) effect is a property found in polycrystalline materials which can transform from a low resistance state to a high…