ISIS Neutron and Muon Source Data Journal

Structure of Bismuth Tellurite and Bismuth Niobium Tellurite Glass, Anti-Glass and Crystalline Phases by High-Q Neutron Diffraction

Abstract: Bismuth tellurite and bismuth niobium tellurite melts form glass and anti-glass phases on quenching. Glasses have definite short-range order without any long-range order. Anti-glasses are highly intriguing materials in which the cations (Bi, Nb and Te ions) have random disturibution in the cation sites whereas the anion(oxygen) sites have large vacancies. Due to this disorder, anti-glasses exhibit sharp peaks in the diffraction patterns but broad Raman bands due to lack of definite short-range order. Bi2O3-TeO2 form glass and anti-glass phases as a function of Bi2O3 concentration. Bi2O3-Nb2O5-TeO2 system form samples containing co-existing glass and anti-glass inclusions on slow melt cooling. It is proposed to study theTe-O, Bi-O, Nb-O and O-O speciations, bond lengths and bond angle distributions in glass, anti-glass and crystalline tellurite materials by high-Q neutron diffraction.

Principal Investigator: Professor Atul Khanna
Experimenter: Dr Krishna
Experimenter: Mr Hirdesh Hirdesh
Experimenter: Miss NUPUR GUPTA
Experimenter: Mr Ravish Kumar Jain
Local Contact: Professor David Keen

DOI: 10.5286/ISIS.E.RB1810336

ISIS Experiment Number: RB1810336

Publisher: STFC ISIS Neutron and Muon Source

Data format: RAW/Nexus
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Data Citation

The recommended format for citing this dataset in a research publication is as:
[author], [date], [title], [publisher], [doi]

For Example:
Professor Atul Khanna et al; (2018): Structure of Bismuth Tellurite and Bismuth Niobium Tellurite Glass, Anti-Glass and Crystalline Phases by High-Q Neutron Diffraction, STFC ISIS Neutron and Muon Source, https://doi.org/10.5286/ISIS.E.RB1810336

Data is released under the CC-BY-4.0 license.