Probing solid-state reaction through microstrain [electronic resource] : A case study on synthesis of LiCoO<sub>2</sub>

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Tác giả:

Ngôn ngữ: eng

Ký hiệu phân loại: 621.3 Electrical, magnetic, optical, communications, computer engineering; electronics, lighting

Thông tin xuất bản: Washington, D.C. : Oak Ridge, Tenn. : United States. Dept. of Energy. Office of Science ; Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy, 2020

Mô tả vật lý: Size: Article No. 228422 : , digital, PDF file.

Bộ sưu tập: Metadata

ID: 255597

 Solid-state reaction has been widely adopted as a low-cost and scalable approach to synthesize inorganic materials for industrial applications. However, a special caution must be paid to carefully control the synthesis condition in order to obtain final products with desired structure and physical/chemical properties. In this work, LiCoO<
 sub>
 2<
 /sub>
  was investigated as a model material to illustrate the complexity of the solid-state reaction, as well as its condition control. Taking the advantage of the high flux and high penetration capability of synchrotron X-ray source, <
 em>
 in-situ<
 /em>
  high-energy X-ray diffraction was deployed to investigate the structural evolution of materials during the solid-state reaction while <
 em>
 ex-situ<
 /em>
  high-resolution X-ray diffraction was utilized to quantify the residual microstrains of LiCoO<
 sub>
 2<
 /sub>
 . It is shown that the microstrain is a sensitive indicator to probe the completeness of the solid-state reactions, and that it also provides a more quantitative way to establish the structure-property relationship of materials. It can serve as a sensitive indicator for the rational design of synthesis process for functional materials.
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