by James M Rondinelli | Nov 17, 2015 | Article Appeared, Uncategorized
A new article titled Crystal Structure and Electronic Properties of Bulk and Thin Film Brownmillerite Oxides by Josh Young and Prof. Rondinelli outlines the key structural features that determine polymorphic stability in oxides with corner-connected tetrahedra and...
by James M Rondinelli | Aug 27, 2015 | Article Appeared
Nenian Charles and Prof. Rondinelli report in their new paper titled Ferroelectricity in d0 double perovskite fluoroscandates that polar double perovskite fluorides may be realized by suppression of octahedral rotations about more than one Cartesian axis [Phys. Rev....
by James M Rondinelli | Aug 20, 2015 | Article Appeared
Writing in Phys. Rev. Lett., 115, 087202 (2015), Danilo Puggioni and Prof. Rondinelli with their colleagues at SISSA describe a new route towards high-temperature multiferroics. As detailed in their letter titled Design of a Mott Multiferroic from a Nonmagnetic Polar...
by James M Rondinelli | Sep 23, 2014 | Article Appeared
Graduate student Nenian Charles and Professor Rondinelli report on the microscopic origins of symmetry-preserving transition in fluoromangates. The article appearing in Physical Review B and titled, Microscopic origin of pressure-induced isosymmetric transitions in...
by James M Rondinelli | Sep 19, 2014 | Article Appeared
Frequently the non-linear optical response of polar materials is explained using crystal-chemistry arguments based on microscopic dipoles which produce an electric polarization. How does one explain second harmonic generation (SHG) then in non-polar noncentrosymmetric...
by James M Rondinelli | Sep 19, 2014 | Article Appeared
Dr. Antonio Cammarata reports with Professor Rondinelli in their new article, Covalent dependence of octahedral rotations in orthorhombic perovskite oxides, on how the dependence of octahedral rotations in orthorhombic ABO3 perovskite oxides depends on changes in...