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Investigation of St...
Investigation of Structural and Thermal Evolution in Novel Layered Perovskite NdSrMn2O5+δ via Neutron Powder Diffraction and Thermogravimetric Analysis
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- Afroze, Shammya (författare)
- Univ Brunei Darussalam, Fac Integrated Technol, Jalan Tungku Link, BE-1410 Bandar Seri Begawan, Brunei; Chalmers Univ Technol, Dept Chem & Chem Engn, SE-41296 Gothenburg, Sweden
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- Yilmaz, Duygu (författare)
- Chalmers Univ Technol, Dept Chem & Chem Engn, SE-41296 Gothenburg, Sweden
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- Reza, Md Sumon (författare)
- Univ Brunei Darussalam, Fac Integrated Technol, Jalan Tungku Link, BE-1410 Bandar Seri Begawan, Brunei
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- Henry, Paul F. (författare)
- Uppsala universitet,Oorganisk kemi,Rutherford Appleton Lab, ISIS Pulsed Neutron & Muon Facil, Harwell Campus, Didcot OX11 0QX, Oxon, England
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- Cheok, Quentin (författare)
- Univ Brunei Darussalam, Fac Integrated Technol, Jalan Tungku Link, BE-1410 Bandar Seri Begawan, Brunei
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- Zaini, Juliana H. (författare)
- Univ Brunei Darussalam, Fac Integrated Technol, Jalan Tungku Link, BE-1410 Bandar Seri Begawan, Brunei
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- Azad, Abul K. (författare)
- Univ Brunei Darussalam, Fac Integrated Technol, Jalan Tungku Link, BE-1410 Bandar Seri Begawan, Brunei
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- Issakhov, Alibek (författare)
- Al Farabi Kazakh Natl Univ, Dept Math & Comp Modelling, Fac Mech & Math, Alma Ata, Kazakhstan
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- Sadeghzadeh, Milad (författare)
- Univ Tehran, Dept Renewable Energy & Environm Engn, Tehran, Iran
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(creator_code:org_t)
- Hindawi Limited, 2020
- 2020
- Engelska.
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Ingår i: International Journal of Chemical Engineering. - : Hindawi Limited. - 1687-806X .- 1687-8078. ; 2020
- Relaterad länk:
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https://doi.org/10.1...
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https://uu.diva-port... (primary) (Raw object)
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
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- Neutron diffraction is one of the best methods for structural analysis of a complex, layered perovskite material with low symmetry by accurately detecting the oxygen positions through octahedral tilting. In this research, the crystal structure of NdSrMn2O5+δ was identified through X-ray diffraction (XRD) and neutron powder diffraction (NPD) at room temperature (RT), which indicated the formation of a layered structure in orthorhombic symmetry in the Pmmm (no. 47) space group. Rietveld refinement of the neutron diffraction data has confirmed the orthorhombic symmetry with unit cell parameters (a = 3.8367 (1) Å, b = 3.8643 (2) Å, and c = 7.7126 (1) Å), atomic positions, and oxygen occupancy. Thermogravimetric analysis revealed the total weight loss of about 0.10% for 20–950°C temperature, which occurred mainly to create oxygen vacancies at high temperatures. Rietveld analyses concurred with the XRD and neutron data allowing correlation of occupancy factors of the oxygen sites.
Ämnesord
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
- NATURVETENSKAP -- Kemi -- Oorganisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Inorganic Chemistry (hsv//eng)
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