Colossal negative thermal expansion over a wide temperature span in dynamically self-assembled MnCo(Ge,Si)/epoxy composites
Guo W, Miao X, Yan Z, Chen Y, Gong Y, Qian F, Xu F, Caron L (2024)
Materials Research Letters 12(4): 315-323.
Zeitschriftenaufsatz
| Veröffentlicht | Englisch
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Autor*in
Guo, Wenhui;
Miao, Xuefei;
Yan, Zhubing;
Chen, Yunlong;
Gong, Yong;
Qian, Fengjiao;
Xu, Feng;
Caron, LuanaUniBi
Abstract / Bemerkung
The achievement of significant negative thermal expansion (NTE) over a wide temperature range (Delta T-NTE) has posed a formidable challenge for NTE materials. In the present study, textured MnCo(Ge,Si)/epoxy composites were prepared by magnetic field-assisted dynamic self-assembly of multi-component Mn0.945Co1.055Ge1-xSix particles. The utilization of multi-component particles with tunable transition temperatures significantly amplifies the temperature range over which the NTE occurs, surpassing the limitations of conventional single-component composites. The textured microstructure enables the extension of lattice-level NTE to reach the macroscopic level, which is manifested by a remarkably large NTE coefficient of -328.7 x 10(-6)/K between 288.2 and 431.1 K. [GRAPHICS]
Stichworte
Magnetostructural transition;
magnetocaloric alloy;
negative thermal;
expansion;
MM'X alloy
Erscheinungsjahr
2024
Zeitschriftentitel
Materials Research Letters
Band
12
Ausgabe
4
Seite(n)
315-323
eISSN
2166-3831
Page URI
https://pub.uni-bielefeld.de/record/2988221
Zitieren
Guo W, Miao X, Yan Z, et al. Colossal negative thermal expansion over a wide temperature span in dynamically self-assembled MnCo(Ge,Si)/epoxy composites. Materials Research Letters. 2024;12(4):315-323.
Guo, W., Miao, X., Yan, Z., Chen, Y., Gong, Y., Qian, F., Xu, F., et al. (2024). Colossal negative thermal expansion over a wide temperature span in dynamically self-assembled MnCo(Ge,Si)/epoxy composites. Materials Research Letters, 12(4), 315-323. https://doi.org/10.1080/21663831.2024.2328375
Guo, Wenhui, Miao, Xuefei, Yan, Zhubing, Chen, Yunlong, Gong, Yong, Qian, Fengjiao, Xu, Feng, and Caron, Luana. 2024. “Colossal negative thermal expansion over a wide temperature span in dynamically self-assembled MnCo(Ge,Si)/epoxy composites”. Materials Research Letters 12 (4): 315-323.
Guo, W., Miao, X., Yan, Z., Chen, Y., Gong, Y., Qian, F., Xu, F., and Caron, L. (2024). Colossal negative thermal expansion over a wide temperature span in dynamically self-assembled MnCo(Ge,Si)/epoxy composites. Materials Research Letters 12, 315-323.
Guo, W., et al., 2024. Colossal negative thermal expansion over a wide temperature span in dynamically self-assembled MnCo(Ge,Si)/epoxy composites. Materials Research Letters, 12(4), p 315-323.
W. Guo, et al., “Colossal negative thermal expansion over a wide temperature span in dynamically self-assembled MnCo(Ge,Si)/epoxy composites”, Materials Research Letters, vol. 12, 2024, pp. 315-323.
Guo, W., Miao, X., Yan, Z., Chen, Y., Gong, Y., Qian, F., Xu, F., Caron, L.: Colossal negative thermal expansion over a wide temperature span in dynamically self-assembled MnCo(Ge,Si)/epoxy composites. Materials Research Letters. 12, 315-323 (2024).
Guo, Wenhui, Miao, Xuefei, Yan, Zhubing, Chen, Yunlong, Gong, Yong, Qian, Fengjiao, Xu, Feng, and Caron, Luana. “Colossal negative thermal expansion over a wide temperature span in dynamically self-assembled MnCo(Ge,Si)/epoxy composites”. Materials Research Letters 12.4 (2024): 315-323.
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