Polymorph Transitions and Structure Evolutions in Rare Earth Sesquioxides
In this work, polymorph transformations in rare earth sesquioxides were studied. It reveals that the transitions among A-, B-, and C-type structures were caused by varied rare earth ionic radii-induced ionic movement, and pictures of the transformation processes were demonstrated. It was determined that the A to B transition is reversible and those of A to C and B to C are not completely reversible. Additionally, we examined the phases in binary sesquioxides, and they are intimately related with the concentrations and rare earth ionic radii. These results offer new insights into the structure evolutions of rare earth sesquioxides, providing a reference for exploiting advanced sesquioxide functional materials.
Authors
- Qiang Gao (ORCID: https://orcid.org/0000-0002-8783-3245)
- Mengyuan Xie
- Fengkai Ma (ORCID: https://orcid.org/0000-0001-7858-0568)
- H. Yin (ORCID: https://orcid.org/0000-0001-5725-822X)
- Zhen Li (ORCID: https://orcid.org/0000-0003-1433-6552)
- Xiaodong Xu (ORCID: https://orcid.org/0000-0003-2178-4150)
- Haiqiong Zhou
- Yinzhen Wang (ORCID: https://orcid.org/0000-0002-6510-2767)
- Zhenqiang Chen (ORCID: https://orcid.org/0000-0002-4464-0267)
- Chaoyang Lei
Institutions
- Jiangsu Normal University (CN)
- South China Normal University (CN)
- Advanced Materials and Devices (United States) (US)
Publication Details
- Journal
- Crystal Growth & Design
- Published
- 2025-04-14
- DOI
- https://doi.org/10.1021/acs.cgd.4c01597
- Citations
- 1
- Primary Topic
- Inorganic Chemistry and Materials
- Type
- article
- Field-Weighted Citation Impact
- 0.54
Funders
- National Natural Science Foundation of China
- National Key Research and Development Program of China
- Fundamental Research Funds for the Central Universities