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Structural and magnetic phase diagram of CeFeAsO1− xFx and its relation to high-temperature superconductivity
Open accessAbstract
Recently, high-transition-temperature (high-Tc) superconductivity was discovered in the iron pnictide RFeAsO(1-x)F(x) (R, rare-earth metal) family of materials. We use neutron scattering to study the structural and magnetic phase transitions in CeFeAsO(1-x)F(x) as the system is tuned from a semimetal to a high-Tc superconductor through fluorine (F) doping, x. In the undoped state, CeFeAsO develops a structural lattice distortion followed by a collinear antiferromagnetic order with decreasing temperature. With increasing fluorine doping, the structural phase transition decreases gradually and vanishes within the superconductivity dome near x=0.10, whereas the antiferromagnetic order is suppressed before the appearance of superconductivity for x>0.06, resulting in an electronic phase diagram remarkably similar to that of the high-Tc copper oxides. Comparison of the structural evolution of CeFeAsO(1-x)F(x) with other Fe-based superconductors suggests that the structural perfection of the Fe-As tetrahedron is important for the high-Tc superconductivity in these Fe pnictides.
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Cited by
Tunable (δπ,δπ)-Type Antiferromagnetic Order inα-Fe(Te,Se) Superconductors
Bao, W., Qiu, Y., Huang, Q., Green, M. A., Zajdel, P., Fitzsimmons, M. R., Zhernenkov, M., Chang, S., Fang, M., Qian, B., et al. (2009) · Physical Review Letters · doi:10.1103/physrevlett.102.247001 · Cited by 623
Self-citationDrew, A. J., Niedermayer, C., Baker, P. J., Pratt, F. L., Blundell, S. J., Lancaster, T., Liu, R. H., Wu, G., Chen, X. H., Watanabe, I., et al. (2009) · Nature Materials · doi:10.1038/nmat2396 · Cited by 286
Coupling of electronic and magnetic properties in Fe1+y(Te1−xSex)
Hu, J., Liu, T. J., Qian, B., & Mao, Z. Q. (2013) · Physical Review B · doi:10.1103/physrevb.88.094505 · Cited by 26
Metadata
- Authors
- Zhao, J., Huang, Q., de la Cruz, C., Li, S., Lynn, J. W., Chen, Y., Green, M. A., Chen, G. F., Li, G., Li, Z., Luo, J. L., Wang, N. L., & Dai, P.
- Venue
- Nature Materials
- Published
- 2008-10-26
- Volume
- 7
- Issue
- 12
- Pages
- 953-959
- ISSN
- 1476-1122 (ISSN-L)
- 1476-4660
- OpenAlex
- W2073960969
- Cited by
- 756
- References
- 0
- FWCI
- 43.18
- Type
- journal article
- Language
- en
- Open access
- green
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- Zhao, J., Huang, Q., de la Cruz, C., Li, S., Lynn, J. W., Chen, Y., Green, M. A., Chen, G. F., Li, G., Li, Z., Luo, J. L., Wang, N. L., & Dai, P. (2008). Structural and magnetic phase diagram of CeFeAsO1− xFx and its relation to high-temperature superconductivity. Nature Materials. https://doi.org/10.1038/nmat2315
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