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Synthesis, crystal Structure and temperature induced phase transition in Ba1/5Sr4/5NiMoO6 double perovskite oxide: Study by X-ray diffraction and Raman spectroscopy


 
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1. Title Title of document Synthesis, crystal Structure and temperature induced phase transition in Ba1/5Sr4/5NiMoO6 double perovskite oxide: Study by X-ray diffraction and Raman spectroscopy
 
2. Creator Author's name, affiliation, country Abdelaziz El Aamrani
 
2. Creator Author's name, affiliation, country Bouchaib Manoun; Morocco
 
2. Creator Author's name, affiliation, country Rachid Abkar
 
2. Creator Author's name, affiliation, country Youssef Tamraoui
 
2. Creator Author's name, affiliation, country Fatima-ezzahra Mirinioui
 
2. Creator Author's name, affiliation, country Abdelhadi El Hachmi
 
2. Creator Author's name, affiliation, country Mohamed Azrour
 
2. Creator Author's name, affiliation, country Said Benmokhtar
 
2. Creator Author's name, affiliation, country Peter Lazor
 
3. Subject Discipline(s)
 
3. Subject Keyword(s) Ba1/5Sr4/5NiMoO6; X-ray diffraction; High temperature Raman spectroscopy; phase transition; Rietveld refinements.
 
4. Description Abstract BaCO3, SrCO3, NiO, MoO3 precursors were used as starting materials in the synthesis of double perovskite Ba1/5Sr4/5NiMoO6, and their crystal structure at room tempertaure was solved using X-ray powder diffraction. The Rietveld analysis of X–ray powder diffraction patterns show that both compounds adopt a tetragonal structure with space group I4/m, with unit cell parameters a= 5.58537(1) Å, c=7.9066(2) Å. The structure can be represented as a three-dimensional network of alternating NiO6 and MoO6 octahedra, with Ba and Sr atoms occupying the interstitial spaces. Temperature-induced phase transitions of Ba1/5Sr4/5NiMoO6 were investigated by mean of Raman spectroscopy technique at high temperature up to 392 °C. remarkable in the behaviuor of temperature dependence of the modes has been interpreted as a phase transition from the tetragonal (I4/m) to the cubic () structure.
 
5. Publisher Organizing agency, location
 
6. Contributor Sponsor(s) Swedish Research Council
 
7. Date (YYYY-MM-DD) 28-02-2018
 
8. Type Status & genre Peer-reviewed Article
 
8. Type Type
 
9. Format File format PDF
 
10. Identifier Uniform Resource Identifier https://revues.imist.ma/index.php/jasi/article/view/11217
 
10. Identifier Digital Object Identifier (DOI) https://doi.org/10.48442/IMIST.PRSM/jasi-v2i1-3.11217
 
11. Source Title; vol., no. (year) Journal of Applied Surfaces and Interfaces; Vol 2, No 1-3 (2017)
 
12. Language English=en en
 
13. Relation Supp. Files
 
14. Coverage Geo-spatial location, chronological period, research sample (gender, age, etc.)
 
15. Rights Copyright and permissions Copyright (c) 2018 Journal of Applied Surfaces and Interfaces