Positive temperature coefficient materials for intelligent overload protection in the new energy era

SUH Bakhtiar, T Dong, B Xue, S Ali, H Sattar, W Dong… - Materials Today, 2023 - Elsevier
Since the discovery of positive temperature coefficient resistive (PTCR) materials, they have
been widely used in electric/electronic thermistor devices for overload protection. The rapid …

Ultrahigh insulation resistivity potential under colossal permittivity SrTiO3 based ceramics via controlling oxygen backfill

X Zhang, Y Pu, L Zhang, X Lu, Y Ning, J Zhang… - Journal of Alloys and …, 2023 - Elsevier
Abstract Effects of annealing atmosphere on the dielectric properties of Sr 1-x Er x TiO 3
ceramics (x= 0–0.014) were systematically investigated in this paper. In x= 0.012 ceramic …

Effect of the Ce3+ concentration on laser-sintered YAG ceramics for white LEDs applications

JCA Santos, EP Silva, DV Sampaio, DC Silva… - Journal of the European …, 2020 - Elsevier
This paper describes the laser sintering and luminescence properties of Y 3 Al 5 O 12 (YAG)
phosphors doped with different concentrations of Ce 3+ and synthesized using the …

The self-compensation mechanism in barium titanate ceramics with colossal permittivity

K Zhang, L Li, M Wang, W Luo, W Wang - Journal of Alloys and Compounds, 2021 - Elsevier
Based on adjusting the relationship between polarization and charge carriers, barium
titanate (BaTiO 3) ceramics with colossal permittivity and high insulation resistivity are …

Laser sintering of persistent luminescent CaAl2O4: Eu2+ Dy3+ ceramics

NRS Souza, DC Silva, DV Sampaio, MVS Rezende… - Optical Materials, 2017 - Elsevier
Described herein is the use of a laser sintering technique to produce persistent
luminescence CaAl 2 O 4: Eu 2+ Dy 3+ ceramics exhibiting enhanced translucency in the …

Study of the ionic conductivity of Li0. 5La0. 5TiO3 laser-sintered ceramics

JHL Silva, YGS Alves, A Almeida, JA Moreira… - Journal of the European …, 2020 - Elsevier
This work explores a chemical synthesis route and, for the first time, laser processing of ionic
conductor Li 0.5 La 0.5 TiO 3 (LLTO) ceramics. The laser sintering technique has been …

ZnO nanoparticles with tunable bandgap obtained by modified Pechini method

ES Rodrigues, MS Silva, WM Azevedo, SS Feitosa… - Applied Physics A, 2019 - Springer
Zinc oxide nanoparticles (N–ZnO) obtained by the Pechini method and calcined using a
closed clay container are the focus of the present work. The synthetic route includes a …

Synthesis of PbO· SiO2 glass by CO2 laser melting method

DC Silva, DV Sampaio, JHL Silva… - Journal of Non …, 2019 - Elsevier
Described herein is a new approach to produce glass materials using a CO 2 laser as
unique heating source. In this study, the well-known PbO· SiO 2 (PS) system was chosen as …

Effect of conventional and laser sintering on the (micro) structural and dielectric properties of Bi2/3Cu3Ti4O12 synthesized through a polymeric precursor route

LM Jesus, LB Barbosa, DR Ardila, RS Silva… - Journal of Alloys and …, 2018 - Elsevier
This work explores a polymeric synthesis route for Bi 2/3 Cu 3 Ti 4 O 12 (BCTO) and
analyses the effect of both conventional and laser sintering on the (micro) structural and …

Persistent luminescence properties of SrBXAl2− XO4: Eu, Dy laser-sintered ceramics

YGS Alves, DV Sampaio, NRS Souza, DC Silva… - Optical Materials, 2017 - Elsevier
This paper describes the use of a laser sintering technique to produce persistent
luminescence SrAl 2 O 4: Eu 2+ Dy 3+ ceramics, doped with boron that exhibit enhanced …