A multicomponent γ-type (Gd1/6Tb1/6Dy1/6Tm1/6Yb1/6Lu1/6)2Si2O7 disilicate with outstanding thermal stability

Luchao Sun; Yixiu Luo; Xiaomin Ren; Zenghua Gao; Tiefeng Du; Zhen Wu; Jingyang Wang

doi:10.1080/21663831.2020.1783007

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A multicomponent γ-type (Gd1/6Tb1/6Dy1/6Tm1/6Yb1/6Lu1/6)2Si2O7 disilicate with outstanding thermal stability

Original Reports | 更新时间：2026-08-19

- A multicomponent γ-type (Gd1/6Tb1/6Dy1/6Tm1/6Yb1/6Lu1/6)2Si2O7 disilicate with outstanding thermal stability
- Materials Research Letters Vol. 8, Issue 11, Pages: 424-430(2020)
- 作者机构：
  
  1. a Shenyang National Laboratory for Materials Science Institute of Metal Research Chinese Academy of Sciences
  2. a Shenyang National Laboratory for Materials Science Institute of Metal Research Chinese Academy of Sciences Shenyang People’s Republic of China
  3. b School of Materials Science and Engineering University of Science and Technology of China
  4. c Aerospace Special Materials and Processing Technology Institute
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2020.1783007
  CLC：
- Online First：01 July 2020，
  
  Published：2020
- 稿件说明：
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Luchao Sun, Yixiu Luo, Xiaomin Ren, et al. A multicomponent γ-type (Gd1/6Tb1/6Dy1/6Tm1/6Yb1/6Lu1/6)2Si2O7 disilicate with outstanding thermal stability[J]. Materials Research Letters, 2020, 8(11): 424-430.
DOI：

Luchao Sun, Yixiu Luo, Xiaomin Ren, et al. A multicomponent γ-type (Gd1/6Tb1/6Dy1/6Tm1/6Yb1/6Lu1/6)2Si2O7 disilicate with outstanding thermal stability[J]. Materials Research Letters, 2020, 8(11): 424-430. DOI： 10.1080/21663831.2020.1783007.

摘要

Abstract

BSTRACTA multicomponent rare-earth disilicate (Gd

1/6

)

has been designed and successfully synthesized following the strategy of high entropy engineering. The as-prepared single-phase 6RE-disilicate possesses a new γ-type crystal structure (monoclinic

) beyond the α-

β- and δ-type parent structures of six single RE disilicates. Six-species RE cations are homogeneously distributed on RE lattice sites and our multicomponent disilicate demonstrates outstanding thermal stability from room temperature up to around 1900°C. This work extends the knowledge of strategic multicomponent modification of complex ceramics with extremely high phase stability.

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Related Institution

b State Key Laboratory of High Performance Roll Materials and Composite Forming School of Material Science and Engineering Hebei University of Technology

a State Key Laboratory of Metastable Materials Science and Technology & School of Materials Science and Engineering Yanshan University

c Key Laboratory of Automobile Materials of Ministry of Education School of Materials Science and Engineering Nanling Campus Jilin University

d Jiangsu Rongtai Industrial Co. Ltd.

e Institute of Applied Physics of the National Academy of Sciences of Belarus

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