[HTML][HTML] Sintering aids, their role and behaviour in the production of transparent ceramics

J Hostaša, F Picelli, S Hříbalová, V Nečina - Open Ceramics, 2021 - Elsevier
Transparent ceramics have been in the spotlight as advanced optical ceramic materials for
the last two decades, both as optically transparent materials with excellent mechanical …

Improvement of optical properties of Nd: YAG transparent ceramics by post-annealing and post hot isostatic pressing

W Zhang, T Lu, B Ma, N Wei, Z Lu, F Li, Y Guan… - Optical Materials, 2013 - Elsevier
The Nd: YAG transparent ceramics were fabricated by vacuum sintering. The Nd: YAG
samples were annealed at 1450° C for 20 h in air and followed by hot isostatic pressing …

Porosity and pore size dependence of the real in-line transmission of YAG and alumina ceramics

W Pabst, J Hostaša, L Esposito - Journal of the European Ceramic Society, 2014 - Elsevier
Based on the exact Mie solution for spheres and several approximations known from
scattering theory (Rayleigh, Fraunhofer, Rayleigh-Gans-Debye), including the less well …

Fabrication of Yb:YAG Transparent Ceramic by Vacuum Sintering Using Monodispersed Spherical Y2O3 and Al2O3 Powders

J Li, X Liu, L Wu, H Ji, L Dong, X Sun, X Qi - Coatings, 2022 - mdpi.com
In the present work, Yb: YAG (yttrium aluminum garnet) transparent ceramics were
fabricated using monodispersed spherical Y2O3, Al2O3 powders and commercial Yb2O3 …

Spatial distribution of the Yb 3+ rare earth ions in Y 3 Al 5 O 12 and Y 2 O 3 optical ceramics as analyzed by TEM

T Epicier, G Boulon, W Zhao, M Guzik… - Journal of Materials …, 2012 - pubs.rsc.org
There is a need to investigate the possible improvements of rare earth ion-doped
transparent ceramics in terms of better optical performances for lasers, scintillators and …

Microwave sintering of Yb: YAG transparent laser ceramics

L Esposito, A Piancastelli, Y Bykov, S Egorov… - Optical Materials, 2013 - Elsevier
Reactive sintering of YAG based ceramics is generally performed under high vacuum in
graphite-free furnaces in order to guarantee the elimination of pores and absence of any …

Yb3+ Ions Distribution in YAG Nanoceramics Analyzed by Both Optical and TEM-EDX Techniques

G Boulon, Y Guyot, M Guzik, T Epicier… - The Journal of …, 2014 - ACS Publications
We show the approach in the structural and spectroscopic analysis of Yb3+-doped YAG
nanoceramics prepared using the low temperature-high pressure sintering technique …

Multilayered YAG-Yb: YAG ceramics: manufacture and laser performance

L Esposito, J Hostaša, A Piancastelli, G Toci… - Journal of Materials …, 2014 - pubs.rsc.org
Thermal effects in transparent laser crystals and ceramics are generally an unwanted
consequence of the pumping process: temperature gradients give rise to an unevenly …

Fabrication of Nd: YAG transparent ceramics from co-precipitated powders by vacuum pre-sintering and HIP post-treatment

F Tian, C Chen, Y Liu, Q Liu, M Ivanov, Q Wang… - Optical Materials, 2020 - Elsevier
Using the nanopowders made by a reverse co-precipitation as raw materials, neodymium
doped yttrium aluminum garnet (Nd: YAG) transparent ceramics were fabricated by vacuum …

Preparation and characterization of Yb-doped YAG ceramics

J Hostaša, L Esposito, D Alderighi, A Pirri - Optical Materials, 2013 - Elsevier
This work presents the results of the preparation of polycrystalline Yb: YAG ceramics for
laser sources with dopant concentration from 0 up to 20at.% via solid state reactive sintering …