Temperature-stable crystal structure and microwave dielectric properties of BaSi2O5-Ba3V2O8 composite ceramics

D Wang, L Ding, B Heng, H Zhu, X Ding, Z Wang… - Journal of Alloys and …, 2022 - Elsevier
x) BaSi 2 O 5-xBa 3 V 2 O 8 (x= 0.05–0.25 in molar) novel low-dielectric ceramics were
successfully synthesized and investigated via a solid-state sintering process. X-ray …

A critical evaluation of barium silicate glass network polymerization

BJA Moulton, A Picinin, LD Silva, C Doerenkamp… - Journal of Non …, 2022 - Elsevier
The state of polymerization in barium silicate glasses (xBaO·(1-x) SiO 2, 0.28≤ x≤ 0.45)
has been studied by both experiment (Raman, static and MAS 29 Si NMR spectroscopy) and …

Pressure-induced transformations in a glass: In situ X-Ray diffraction and Raman spectroscopy

RA da Silveira, L Evaristo, AS Pereira, S Buchner - Ceramics International, 2024 - Elsevier
This study investigated the amorphous structure of a soda-lime-silicate glass sample (Na 2
O· 2CaO· 3SiO 2) utilizing in situ X-ray diffraction and Raman spectroscopy at pressures up …

Crystallization in a soda–lime‐silicate glass after high pressure

R Abel da Silveira, G Hippler… - Journal of the …, 2023 - Wiley Online Library
This work explored the permanent changes a high pressure (HP) processing could cause on
nucleation, Raman vibrational modes, thermal, and mechanical properties of the Na2O• …

Identifying and explaining vibrational modes of sanbornite (low-BaSi2O5) and Ba5Si8O21: A joint experimental and theoretical study

EO Gomes, BJA Moulton, TR Cunha, L Gracia… - … Acta Part A: Molecular …, 2021 - Elsevier
We report here the analysis of vibrational properties of the sanbornite (low-BaSi 2 O 5) and
Ba 5 Si 8 O 21 using theoretical and experimental approaches, as well as results of high …

Rapid-quenching of high-pressure depolymerized hydrous silicate (peridotitic) glasses

D Bondar, A Zandonà, AC Withers, H Fei… - Journal of Non …, 2022 - Elsevier
Experimental and spectroscopic investigation of glasses synthesized at high pressure
provides fundamental information about the structure/physical properties relationships of …

Unusual crystallization pathways revealed in six barium disilicate (BaSi2O5) glasses

BJA Moulton, LD Silva, SRF Sabino, LL Evaristo… - Ceramics …, 2023 - Elsevier
Due to the unusual crystallization of (nominally) stoichiometric BaSi 2 O 5 (BS2) glass, which
shows unexpected and diverse crystal phases, a series of six glasses with different …

Effect of high pressure in barium disilicate glass investigated by DTA and Raman spectroscopy

L Evaristo, R Silveira, M Tissot… - … Journal of Applied …, 2023 - Wiley Online Library
This work aimed to explore the effect of high pressures at room temperature on the
vibrational modes and the thermal properties and stability of barium disilicate glass (BaO …

[HTML][HTML] Effect of high pressure and high temperature on the Na2O· 2CaO· 3SiO2 glass-ceramic's structural properties

RA da Silveira, L de Lima Evaristo, FL Faita… - Journal of Non …, 2021 - Elsevier
In this study, the Soda-lime-silicate system, with the Na 2 O· 2 CaO· 3 SiO 2 (N 1 C 2 S 3)
composition, was used to study the effect of high pressure on structural properties of this …

Morphological Study of Ba1.98Dy0.02SiO4 Nanoceramic Synthesized Via Distinguished Chemical Routes

N Jangra, B Mohan, G Rani, R Ahlawat - Silicon, 2024 - Springer
Abstract Ba1. 98Dy0. 02SiO4 nanoceramic samples were synthesized using the most
versatile sol–gel and citrate sol–gel techniques. The properties of Ba1. 98Dy0. 02SiO4 …