Binding possibilities of calcium, zinc and copper in metaphosphate glasses - a more detailed study

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216275%3A25310%2F20%3A39916491" target="_blank" >RIV/00216275:25310/20:39916491 - isvavai.cz</a>

Výsledek na webu

<a href="https://www.sciencedirect.com/science/article/pii/S002230932030377X?via%3Dihub" target="_blank" >https://www.sciencedirect.com/science/article/pii/S002230932030377X?via%3Dihub</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.jnoncrysol.2020.120264" target="_blank" >10.1016/j.jnoncrysol.2020.120264</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Binding possibilities of calcium, zinc and copper in metaphosphate glasses - a more detailed study

Popis výsledku v původním jazyce

To study the binding possibilities of Zn2+, Ca2+ and Cu2+ ions in the glassy phosphate network, metaphosphate glasses of xZnO-(50-x)CuO-50P(2)O(5) and yCaO-(50-y)CuO-50P(2)O(5) systems were prepared across the entire composition lines. Using Raman spectroscopy, P-31 MAS NMR, electron paramagnetic resonance (EPR) and differential scanning calorimetry (DSC), it was found that zinc and copper are both four times coordinated and interact with donor oxygens in the same phosphate chain, calcium is six times coordinated and crosslinks phosphate chains significantly increased by this the glass transition temperature. It was further found that all copper-containing glasses are phase separated, which is also clearly reflected, in addition to the P-31 MAS NMR and EPR spectra, in the compositional dependence of the glass transition temperature. The experimental results obtained by all the techniques used are discussed in detail.

Název v anglickém jazyce

Binding possibilities of calcium, zinc and copper in metaphosphate glasses - a more detailed study

Popis výsledku anglicky

To study the binding possibilities of Zn2+, Ca2+ and Cu2+ ions in the glassy phosphate network, metaphosphate glasses of xZnO-(50-x)CuO-50P(2)O(5) and yCaO-(50-y)CuO-50P(2)O(5) systems were prepared across the entire composition lines. Using Raman spectroscopy, P-31 MAS NMR, electron paramagnetic resonance (EPR) and differential scanning calorimetry (DSC), it was found that zinc and copper are both four times coordinated and interact with donor oxygens in the same phosphate chain, calcium is six times coordinated and crosslinks phosphate chains significantly increased by this the glass transition temperature. It was further found that all copper-containing glasses are phase separated, which is also clearly reflected, in addition to the P-31 MAS NMR and EPR spectra, in the compositional dependence of the glass transition temperature. The experimental results obtained by all the techniques used are discussed in detail.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10402 - Inorganic and nuclear chemistry

Projekt

—

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2020

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Journal of Non-Crystalline Solids

ISSN

0022-3093

e-ISSN

—

Svazek periodika

546

Číslo periodika v rámci svazku

October

Stát vydavatele periodika

NL - Nizozemsko

Počet stran výsledku

11

Strana od-do

120264

Kód UT WoS článku

000567816100003

EID výsledku v databázi Scopus

2-s2.0-85087497283