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Pressure-Induced Hydrogen-Dominant Metallic State in Aluminum Hydride
Abstract
Two structural transitions in covalent aluminum hydride AlH3 were characterized at high pressure. A metallic phase stable above 100 GPa is found to have a remarkably simple cubic structure with shortest first-neighbor H-H distances ever measured except in H2 molecule. Although the high-pressure phase is predicted to be superconductive, this was not observed experimentally down to 4 K over the pressure range 120-164 GPa. The results indicate that the superconducting behavior may be more complex than anticipated.
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Cited by
Ab initio random structure searching
Pickard, C. J., & Needs, R. J. (2011) · Journal of Physics: Condensed Matter · doi:10.1088/0953-8984/23/5/053201 · Cited by 1,302
Synthesis and Stability of Lanthanum Superhydrides
Geballe, Z. M., Liu, H., Mishra, A. K., Ahart, M., Somayazulu, M., Meng, Y., Baldini, M., & Hemley, R. J. (2018) · Angewandte Chemie International Edition · doi:10.1002/anie.201709970 · Cited by 299
Zhang, Z., Cui, T., Hutcheon, M. J., Shipley, A. M., Song, H., Du, M., Kresin, V. Z., Duan, D., Pickard, C. J., & Yao, Y. (2022) · Physical Review Letters · doi:10.1103/physrevlett.128.047001 · Cited by 253
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Metadata
- Authors
- Goncharenko, I., Eremets, M. I., Hanfland, M., Tse, J. S., Amboage, M., Yao, Y., & Trojan, I. A.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 2008-01-29
- Volume
- 100
- Issue
- 4
- Pages
- 045504-045504
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W1988192838
- Cited by
- 162
- References
- 0
- FWCI
- 10.90
- Type
- journal article
- Language
- en
- Open access
- closed
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- Goncharenko, I., Eremets, M. I., Hanfland, M., Tse, J. S., Amboage, M., Yao, Y., & Trojan, I. A. (2008). Pressure-Induced Hydrogen-Dominant Metallic State in Aluminum Hydride. Physical Review Letters. https://doi.org/10.1103/physrevlett.100.045504
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