Influence of rare earth coordinated elements in titanium-based pyrochlores and their dielectric phenomena

S Supriya - Coordination Chemistry Reviews, 2023 - Elsevier
Rare earth-coordinated titanium pyrochlores are one of the significant materials among
inorganic ceramics for electronic applications. The titanate pyrochlores usually produce high …

Topological insulators and metal-insulator transition in the pyrochlore iridates

BJ Yang, YB Kim - Physical Review B—Condensed Matter and Materials …, 2010 - APS
The possible existence of topological insulators in cubic pyrochlore iridates A 2 Ir 2 O 7 (A=
Y or rare-earth elements) is investigated by taking into account the strong spin-orbit coupling …

Order–Disorder Transition and Weak Ferromagnetism in the Perovskite Metal Formate Frameworks of [(CH3)2NH2][M(HCOO)3] and [(CH3)2ND2][M(HCOO)3] …

M Mączka, A Gagor, B Macalik, A Pikul… - Inorganic …, 2014 - ACS Publications
We report the synthesis, crystal structure, thermal, dielectric, Raman, infrared, and magnetic
properties of hydrogen and deuterated divalent metal formates,[(CH3) 2NH2][M (HCOO) 3] …

Crystal electric field in the R2Ti2O7 pyrochlore compounds

A Bertin, Y Chapuis, PD De Réotier… - Journal of Physics …, 2012 - iopscience.iop.org
Using a simple scaling law, a unique set of crystal-field parameters for the rare-earth ions R
in the R 2 Ti 2 O 7 pyrochlore series is shown to provide a proper description of the crystal …

Synthesis, characterization, and morphological control of Eu2Ti2O7 nanoparticles through green method and its photocatalyst application

A Sobhani-Nasab, M Behpour - Journal of Materials Science: Materials in …, 2016 - Springer
Nowadays, in connection with the increasing pollution of the environment, several studies
are performed in order to find new group of compounds which could replace chemical …

Emerging disorder in Gd 2 (Ti 1− x Zr x) 2 O 7 pyrochlores matrices for radioactive waste disposal: symmetry lowering versus defect clustering

A di Biase, C Castellano, G Confalonieri… - Journal of Materials …, 2023 - pubs.rsc.org
Pyrochlore compositions in the Gd2 (Ti1− xZrx) 2O7 solid solution have gained attention in
the field of radioactive waste forms because they are capable of withstanding high doses of …

Response of Gd2Ti2O7 and La2Ti2O7 to swift-heavy ion irradiation and annealing

S Park, M Lang, CL Tracy, J Zhang, F Zhang… - Acta Materialia, 2015 - Elsevier
Abstract Swift heavy ion (2 GeV 181 Ta) irradiation-induced amorphization and temperature-
induced recrystallization of cubic pyrochlore Gd 2 Ti 2 O 7 (Fd 3¯ m) are compared with the …

Temperature-dependent XRD, IR, magnetic, SEM and TEM studies of Jahn–Teller distorted NiCr2O4 powders

M Ptak, M Maczka, A Gągor, A Pikul, L Macalik… - Journal of Solid State …, 2013 - Elsevier
In the present work we report detailed structural, magnetic and phonon properties of
NiCr2O4 powders synthesized via a simple coprecipitation method. Temperature-dependent …

Static magnetic susceptibility, crystal field and exchange interactions in rare earth titanate pyrochlores

BZ Malkin, TTA Lummen… - Journal of Physics …, 2010 - iopscience.iop.org
The experimental temperature dependence (T= 2–300 K) of single crystal bulk and site
susceptibilities of rare earth titanate pyrochlores R 2 Ti 2 O 7 (R= Sm, Eu, Gd, Tb, Dy, Ho, Er …

Raman study of phonon modes in bismuth pyrochlores

DJ Arenas, LV Gasparov, W Qiu, JC Nino… - Physical Review B …, 2010 - APS
The Raman spectra of the cubic bismuth pyrochlores Bi 3/2 Zn 0.92 Nb 3/2 O 6.92, Bi 3/2
ZnTa 3/2 O 7, Bi 3/2 MgNb 3/2 O 7, and Bi 3/2 MgTa 3/2 O 7 have been measured at room …