Hidden antiferronematic order in Fe-based superconductor BaFe_{2}As_{2} and NaFeAs above T_{S}
In several Fe-based superconductors, slight C_{4} symmetry breaking occurs at T^{*}, which is tens of degrees Kelvin higher than the structural transition temperature T_{S}. In this “hidden” nematic state at T_{S}<T<T^{*}, the orthorhombicity is tiny [ϕ=(a−b)/(a+b)≪0.1%], but clear evidence of a bul...
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| Glavni autori: | , |
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| Format: | Artigo |
| Jezik: | Inglês |
| Izdano: |
American Physical Society
2020-10-01
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| Serija: | Physical Review Research |
| Online pristup: | http://doi.org/10.1103/PhysRevResearch.2.042005 |
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