The DOI matches its Crossref record; 14 of the 14 references it cites were found in a registry or an index.
Substitutional Alloy of Bi and Te at High Pressure
Abstract
Being a best known thermoelectric material and a topological insulator at ambient condition, magic bismuth telluride (Bi2Te3) under pressure transforms into several superconducting phases, whose structures remain unsolved for decades. Here, we have solved the two long-puzzling low high-pressure phases as seven- and eightfold monoclinic structures, respectively, through particle-swarm optimization technique on crystal structure prediction. Above 14.4 GPa, we experimentally discovered that Bi2Te3 unexpectedly develops into a Bi-Te substitutional alloy by adopting a body-centered cubic disordered structure stable at least up to 52.1 GPa. The continuously monoclinic distortion leads to the ultimate formation of the Bi-Te alloy, which is attributed to the Bi→Te charge transfer under pressure. Our research provides a route to find alloys made of nonmetallic elements for a variety of applications.
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Self-citationPredicted Novel High-Pressure Phases of Lithium
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Self-citationSuperconductive sodalite-like clathrate calcium hydride at high pressures
Wang, H., Tse, J. S., Tanaka, K., Iitaka, T., & Ma, Y. (2012) · Proceedings of the National Academy of Sciences · doi:10.1073/pnas.1118168109 · Cited by 924
Self-citationParticle-swarm structure prediction on clusters
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Metadata
- Authors
- Zhu, L., Wang, H., Wang, Y., Lv, J., Ma, Y., Cui, Q., Ma, Y., & Zou, G.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 2011-04-08
- Volume
- 106
- Issue
- 14
- Pages
- 145501-145501
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W2088687962
- Cited by
- 411
- References
- 14
- FWCI
- 26.93
- Type
- journal article
- Language
- en
- Open access
- closed
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