Determination of the crystalline size of hexagonal La1−xSrxMnO3 (x = 0.3) nanoparticles from X-ray diffraction – a comparative study

The electronic, magnetic, optical and elastic properties of nanomaterials are governed partially by the crystallite size and crystal defects. Here, the crystalline size of hexagonal La1−xSrxMnO3 (x = 0.3) nanoparticles was determined using various methods. Single-phase La0.7Sr0.3MnO3 nanopowders wer...

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Bibliographic Details
Published in:RSC advances 2023-08, Vol.13 (36), p.25007-25017
Main Authors: Do Hung Manh, Tran Thi Ngoc Nha, Le Thi Hong Phong, Pham, Hong Nam, Tran, Dang Thanh, Pham, Thanh Phong
Format: Article
Language:English
Subjects:
Chemistry
Comparative studies
Crystal defects
Crystallites
Crystallization
Elastic properties
Magnetic properties
Nanomaterials
Nanoparticles
Optical properties
Strain
X-ray diffraction
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Summary:The electronic, magnetic, optical and elastic properties of nanomaterials are governed partially by the crystallite size and crystal defects. Here, the crystalline size of hexagonal La1−xSrxMnO3 (x = 0.3) nanoparticles was determined using various methods. Single-phase La0.7Sr0.3MnO3 nanopowders were produced after 10 h of milling in a commercial high-energy SPEX 8000D shaker mill, and then they were heated at 700 °C and 800 °C to study the effect of calcined temperature on the crystallization of nanoparticles. The modified Scherrer, Williamson–Hall, size–strain, and Halder–Wagner methods were used to determine the crystallite sizes and the elastic properties, such as intrinsic strain, stress, and energy density, from the X-ray diffraction peak broadening analysis. The obtained results were then compared with one another. The difference in crystallite sizes calculated from the different methods was due to the different techniques.
ISSN:2046-2069
DOI:10.1039/d3ra04018f