AI Article Synopsis
- Two-dimensional rare-earth oxides (REOs) have unique properties and applications, but synthesizing them with specific crystal facets has been challenging due to their non-layered structures.
- Researchers developed a new method using a hard-soft-acid-base couple to successfully create high-quality 2D REO single crystals with customizable facets.
- This method not only uncovered magnetic properties related to the facets of 2D REOs but also sets the stage for exploring other properties and applications of both REOs and similar non-layered 2D materials.
Article Abstract
Two-dimensional (2D) rare-earth oxides (REOs) are a large family of materials with various intriguing applications and precise facet control is essential for investigating new properties in the 2D limit. However, a bottleneck remains with regard to obtaining their 2D single crystals with specific facets because of the intrinsic non-layered structure and disparate thermodynamic stability of different facets. Herein, for the first time, we achieve the synthesis of a wide variety of high-quality 2D REO single crystals with tailorable facets via designing a hard-soft-acid-base couple for controlling the 2D nucleation of the predetermined facets and adjusting the growth mode and direction of crystals. Also, the facet-related magnetic properties of 2D REO single crystals were revealed. Our approach provides a foundation for further exploring other facet-dependent properties and various applications of 2D REO, as well as inspiration for the precise growth of other non-layered 2D materials.
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Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9113103 | PMC |
| http://dx.doi.org/10.1093/nsr/nwab153 | DOI Listing |
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