Enhanced Photoconductivity at Dislocations in SrTiO3
Dislocations are 1D crystallographic line defects and are usually seen as detrimental to the
functional properties of classic semiconductors. It is shown here that this not necessarily …
functional properties of classic semiconductors. It is shown here that this not necessarily …
Assessment of Strain-Generated Oxygen Vacancies Using SrTiO3 Bicrystals
Atomic-scale defects strongly influence the electrical and optical properties of materials, and
their impact can be more pronounced in localized dimensions. Here, we directly …
their impact can be more pronounced in localized dimensions. Here, we directly …
Dislocations in SrTiO3: Easy To Reduce but Not so Fast for Oxygen Transport
The effect of dislocations on the chemical, electrical and transport properties in oxide
materials is important for electrochemical devices, such as fuel cells and resistive switches …
materials is important for electrochemical devices, such as fuel cells and resistive switches …
TEM study of< 110>-type 35.26 dislocations specially induced by polishing of SrTiO3 single crystals
L Jin, X Guo, CL Jia - Ultramicroscopy, 2013 - Elsevier
The dislocations created by mechanical polishing of SrTiO 3 (100) single crystals were
investigated by means of transmission electron microscopy (TEM) techniques combined with …
investigated by means of transmission electron microscopy (TEM) techniques combined with …
Defect States Induced by Oxygen Vacancies in Cubic SrTiO3: First-Principles Calculations
Z Hou, K Terakura - Journal of the Physical Society of Japan, 2010 - journals.jps.jp
Using the first-principles calculations with the correction of on-site Coulomb interaction, we
found that single O vacancy (VO) in cubic SrTiO 3 takes a magnetic ground state in which …
found that single O vacancy (VO) in cubic SrTiO 3 takes a magnetic ground state in which …
Atomic-scale structure relaxation, chemistry and charge distribution of dislocation cores in SrTiO3
By using the state-of-the-art microscopy and spectroscopy in aberration-corrected scanning
transmission electron microscopes, we determine the atomic arrangements, occupancy …
transmission electron microscopes, we determine the atomic arrangements, occupancy …
Impact of tensile strain on the oxygen vacancy migration in SrTiO3: Density functional theory calculations
R Al-Hamadany, JP Goss, PR Briddon… - Journal of Applied …, 2013 - pubs.aip.org
Strontium titanate is a promising dielectric material for device applications including
capacitors and gate dielectrics. However, oxygen vacancies, which are inevitable donor …
capacitors and gate dielectrics. However, oxygen vacancies, which are inevitable donor …
Strain screening by mobile oxygen vacancies in SrTiO3
Recently, Freedman et al.[Phys. Rev. B 80, 064108 (2009)] calculated the elastic dipole
tensor for several types of point defects in SrTiO3 and showed that it is nearly traceless for …
tensor for several types of point defects in SrTiO3 and showed that it is nearly traceless for …
Do dislocations act as atomic autobahns for oxygen in the perovskite oxide SrTiO 3?
The transport properties of edge dislocations comprising a symmetrical 6°[001] tilt grain
boundary in weakly acceptor-doped SrTiO3 were investigated by means of various …
boundary in weakly acceptor-doped SrTiO3 were investigated by means of various …
Schottky barrier formed by network of screw dislocations in SrTiO3
A network of screw dislocations was artificially created in Sr Ti O 3, and characterized by
transmission electron microscopy (TEM). Slight expansion of the dislocation core was …
transmission electron microscopy (TEM). Slight expansion of the dislocation core was …