Facile synthesis of five strontium niobate metastable crystal compositions via sol-gel ionic liquid synthesis

Omar Gomez Rojas, Sean A Davis, T Nakayama, Simon R Hall*

*Corresponding author for this work

Research output: Contribution to journalArticle (Academic Journal)peer-review

1 Citation (Scopus)

Abstract

Ionic liquid syntheses have proven proficiency in the production of metal oxides with diverse functionalities. In this work we use the potential of these solvents to form multicationic solutions to directly synthesize five strontium niobate metastable crystal compositions. Such metastable crystals are characterized via UV-vis spectroscopy, inductively coupled plasma optical emission spectrometer, powder X-Ray diffraction, high-resolution transmission electron microscopy, and crystalline refinements. All metastable crystalline structures are strontium rich with Sr/Nb molar ratios Sr/Nb = 3.54, 3.23, 3.09, 2.66, and 2.22, and are consistent with triclinic with space group P-1 (2).
Original languageEnglish
Pages (from-to)14168-14177
Number of pages10
JournalCeramics International
Volume47
Issue number10
Early online date2 Feb 2021
DOIs
Publication statusPublished - 15 May 2021

Bibliographical note

Funding Information:
The authors would like to acknowledge the Engineering and Physical Sciences Research Council (EPSRC), UK (grant EP/G036780/1 ), and the Bristol Centre for Functional Nanomaterials for project funding . O.G. would like to thank Consejo Nacional de Ciencia y Tecnología (Conacyt), Mexico for the provision of a scholarship. O. G. would like to thank Dr. Jason Potticary for useful discussions. The authors would also like to thank Mark Burns for his investigation into strontium niobates as part of his undergraduate research project and Mr. J. Jones/Dr J.C. Eloi for assistance with TEM (Chemistry Imaging Facility equipment funded by the University of Bristol and EPSRC ( EP/K035746/1 and EP /M028216/1 )).

Funding Information:
Engineering and Physical Sciences Research Council (EPSRC), UK (grant EP/G036780/1), and Bristol Centre for Functional Nanomaterials for project funding. Consejo Nacional de Ciencia y Tecnolog?a (Conacyt), Mexico for the provision of a scholarship.The authors would like to acknowledge the Engineering and Physical Sciences Research Council (EPSRC), UK (grant EP/G036780/1), and the Bristol Centre for Functional Nanomaterials for project funding. O.G. would like to thank Consejo Nacional de Ciencia y Tecnolog?a (Conacyt), Mexico for the provision of a scholarship. O. G. would like to thank Dr. Jason Potticary for useful discussions. The authors would also like to thank Mark Burns for his investigation into strontium niobates as part of his undergraduate research project and Mr. J. Jones/Dr J.C. Eloi for assistance with TEM (Chemistry Imaging Facility equipment funded by the University of Bristol and EPSRC (EP/K035746/1 and EP/M028216/1)).

Publisher Copyright:
© 2021 Elsevier Ltd and Techna Group S.r.l.

Keywords

  • ceramics
  • metal oxides
  • metastable phases
  • strontium niobates

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