Defects and aliovalent doping engineering in electroceramics

Y Feng, J Wu, Q Chi, W Li, Y Yu, W Fei - Chemical reviews, 2020 - ACS Publications
Since the positive influences of defects on the performance of electroceramics were
discovered, investigations concerning on defects and aliovalent doping routes have grown …

Persistent luminescence in strontium aluminate: a roadmap to a brighter future

D Van der Heggen, JJ Joos, A Feng… - Advanced Functional …, 2022 - Wiley Online Library
Glow‐in‐the‐dark materials have been around for a long time. While formerly materials had
to be mixed with radioactive elements to achieve a sufficiently long and bright afterglow …

Completing the Series of +2 Ions for the Lanthanide Elements: Synthesis of Molecular Complexes of Pr2+, Gd2+, Tb2+, and Lu2+

MR MacDonald, JE Bates, JW Ziller… - Journal of the …, 2013 - ACS Publications
The first examples of crystallographically characterizable complexes of Tb2+, Pr2+, Gd2+,
and Lu2+ have been isolated, which demonstrate that Ln2+ ions are accessible in soluble …

Erbium-implanted materials for quantum communication applications

P Stevenson, CM Phenicie, I Gray, SP Horvath… - Physical Review B, 2022 - APS
Erbium-doped materials can serve as spin-photon interfaces with optical transitions in the
telecom C band, making them an exciting class of materials for long-distance quantum …

[HTML][HTML] Crystalline structure, defect chemistry and room temperature colossal permittivity of Nd-doped barium titanate

Q Sun, Q Gu, K Zhu, R Jin, J Liu, J Wang, J Qiu - Scientific reports, 2017 - nature.com
Dielectric materials with high permittivity are strongly demanded for various technological
applications. While polarization inherently exists in ferroelectric barium titanate (BaTiO 3), its …

Structure and dielectric behavior of Nd-doped BaTiO3 perovskites

Z Yao, H Liu, Y Liu, Z Wu, Z Shen, Y Liu… - Materials Chemistry and …, 2008 - Elsevier
The structure and dielectric behavior of Ba1− xNdxTiO3 perovskites fabricated by
conventional solid state mixed method were investigated. Phase transition behavior …

Effects of site substitutions and concentration on upconversion luminescence of Er3+-doped perovskite titanate

Y Zhang, J Hao, CL Mak, X Wei - Optics express, 2011 - opg.optica.org
Upconversion photoluminescence (PL) of Er 3+-doped BaTiO 3 (BTO) with perovskite ABO 3
structure is studied in terms of Er 3+ substitutions for Ba (A-) and Ti (B-site) with different Er …

Modified phase diagram for the barium oxide–titanium dioxide system for the ferroelectric barium titanate

S Lee, CA Randall, ZK Liu - Journal of the American Ceramic …, 2007 - Wiley Online Library
The ferroelectric phase transition behavior in BaTiO3 was investigated for various annealing
times, temperatures, and Ba/Ti ratios by means of a differential scanning calorimeter …

Defect structure of oxide ferroelectrics—valence state, site of incorporation, mechanisms of charge compensation and internal bias fields: Invited review for J …

RA Eichel - Journal of electroceramics, 2007 - Springer
The defect structure of aliovalent transition-metal and rare-earth functional centers in
ferroelectric perovskite oxides is characterized by means of multifrequency electron …

PTCR effect in donor doped barium titanate: review of compositions, microstructures, processing and properties

YL Chen, SF Yang - Advances in Applied Ceramics, 2011 - journals.sagepub.com
Barium titanate is widely used in the fabrication of thermistors with a positive temperature
coefficient of resistivity (PTCR). The resistivity can increase by several orders of magnitude …