Fluorinated materials as positive electrodes for Li-and Na-ion batteries

K Lemoine, A Hémon-Ribaud, M Leblanc… - Chemical …, 2022 - ACS Publications
Fluorine is known to be a key element for various components of batteries since current
electrolytes rely on Li-ion salts having fluorinated ions and electrode binders are mainly …

Melilite oxychalcogenide Sr 2 FeGe 2 OS 6: a phase-matching IR nonlinear optical material realized by isomorphous substitution

HD Yang, SH Zhou, MY Ran, XT Wu, H Lin… - Inorganic Chemistry …, 2023 - pubs.rsc.org
Transition-metal-based chalcogenides have recently emerged as greatly promising infrared
nonlinear optical (IR-NLO) candidates due to their unique structural chemistries and rich …

Kristallographische Gruppe‐Untergruppe‐Beziehungen und ihre Anwendung in der Kristallchemie

U Müller - Zeitschrift für anorganische und allgemeine Chemie, 2004 - Wiley Online Library
Stammbäume von kristallographischen Gruppe‐Untergruppe‐Beziehungen eignen sich
besonders gut, um Verwandtschaftsbeziehungen zwischen Kristallstrukturtypen …

Complex ceramic structures. I. Weberites

L Cai, JC Nino - Acta Crystallographica Section B: Structural …, 2009 - journals.iucr.org
The weberite structure (A2B2X7) is an anion-deficient fluorite-related superstructure.
Compared with fluorites, the reduction in the number of anions leads to a decrease in the …

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 …

Polymorphism in Weberite Na2Fe2F7 and its Effects on Electrochemical Properties as a Na-Ion Cathode

EE Foley, VC Wu, W **, W Cui, E Yoshida… - Chemistry of …, 2023 - ACS Publications
Weberite-type sodium transition metal fluorides (Na2 M 2+ M′ 3+ F7) have emerged as
potential high-performance sodium intercalation cathodes, with predicted energy densities …

Crystallochemical tools in the search for cathode materials of rechargeable Na-ion batteries and analysis of their transport properties

SS Fedotov, NA Kabanova, AA Kabanov, VA Blatov… - Solid State Ionics, 2018 - Elsevier
In this work, we present a combined approach comprising of crystallochemical methods
such as Voronoi-Dirichlet partition (VDP), bond valence sums map** (BVSM) and bond …

Structure and dielectric properties of Ln3NbO7 (Ln= Nd, Gd, Dy, Er, Yb and Y)

L Cai, JC Nino - Journal of the European Ceramic Society, 2007 - Elsevier
The structure and dielectric properties of Ln3NbO7 (Ln= Nd, Gd, Dy, Er, Yb and Y) ceramics
are investigated. With decreasing ionic radius of Ln3+, the stable crystal structure of the …

Effects of charge transfer band position and intensity on the photoluminescence properties of Ca1. 9M2O7: 0.1 Eu3+ (M= Nb, Sb and Ta)

TS Sreena, AKV Raj, PP Rao - Solid State Sciences, 2022 - Elsevier
The effects of the position and intensity of the charge transfer band (CTB) on
photoluminescence properties are elucidated in the Eu 3+ doped Ca 2 M 2 O 7 (M= Nb, Sb …

Structural relations between weberite and zirconolite polytypes—refinements of doped 3T and 4M Ca2Ta2O7 and 3T CaZrTi2O7

IE Grey, WG Mumme, TJ Ness, RS Roth… - Journal of Solid State …, 2003 - Elsevier
New weberite-type Ca2Ta2O7 and zirconolite-type CaZrTi2O7 polytypes have been
prepared by do** with Nd/Zr and Th/Al, respectively, and their structures have been …