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FeTe0.5Se0.5
iron_based · tetragonal PbO type
ambient SCunconventionalcompeting orderdisputed
Tc max
15.0 K
Tc ambient
15.0 K
arXiv year
2009
Papers
25
Tc exp.
17.3 K
Tc theo.
—
Evidence
experimental
Tc max measured at thin_film, resistivity, arXiv:1412.4667, confirmed by 2 papers
Evidence (34 records from 25 papers)
the flat columns above are aggregates — each line here is one paper's claim| Tc (K) | P (GPa) | Sample | Method | Pairing | Year | Tier | Paper |
|---|---|---|---|---|---|---|---|
| 19.0 | — | thin_film | resistivity | — | 2014 | — | 1412.2454 |
| 17.3 | — | thin_film | resistivity | — | 2014 | T1 | 1412.4667 |
| 16.8 | — | thin_film | resistivity | — | 2014 | T1 | 1412.4667 |
| 15.0 | — | single_crystal | susceptibility | — | 2014 | T1 | 1404.1412 |
| 15.0 | — | single_crystal | specific_heat, susceptibility | — | 2010 | T1 | DOI: 10.1103/PhysRevLett.104.187002 |
| 14.9 | — | single_crystal | resistivity | — | 2009 | T1 | 0911.5463 |
| 14.4 | — | polycrystal | susceptibility | — | 2010 | — | 1003.2726 |
| 14.0 | — | single_crystal | resistivity | — | 2019 | T1 | 1901.04224 |
| 14.0 | — | single_crystal | — | — | 2016 | T1 | DOI: 10.1103/PhysRevB.93.205143 |
| 14.0 | — | single_crystal | susceptibility | — | 2015 | T1 | DOI: 10.1103/PhysRevLett.114.167001 |
| 14.0 | — | single_crystal | susceptibility | — | 2012 | T1 | 1201.4404 |
| 14.0 | ambient | single_crystal | susceptibility | — | 2010 | — | 0910.0027 |
| 14.0 | — | single_crystal | specific_heat, susceptibility | — | 2010 | T1 | DOI: 10.1103/PhysRevLett.104.187002 |
| 14.0 | — | single_crystal | specific_heat | — | 2009 | T1 | 0907.3650 |
| 14.0 | — | single_crystal | resistivity, susceptibility, specific_heat | — | 2009 | T1 | DOI: 10.1103/PhysRevB.79.094521 |
| 14.0 | — | single_crystal | resistivity | — | 2009 | T1 | 0911.5463 |
| 13.0 | — | — | resistivity, susceptibility | — | 2011 | T1 | 1109.5773 |
| 12.0 | ambient | single_crystal | susceptibility | — | 2010 | — | 0910.0027 |
| 12.0 | — | single_crystal | susceptibility | — | 2010 | — | 0910.0027 |
| 10.0 | — | — | resistivity, susceptibility | — | 2011 | T1 | 1109.5773 |
| 9.1 | — | wire | resistivity | — | 2010 | T1 | 1008.1447 |
| 9.1 | — | polycrystal | resistivity | — | 2010 | T1 | 1012.1404 |
| 3.2 | — | wire | resistivity | — | 2010 | T1 | 1008.1447 |
| — | — | thin_film | resistivity, susceptibility | — | 2025 | — | 2501.16189 |
| — | — | — | resistivity | — | 2022 | T3 | 2209.03267 |
| — | — | single_crystal | neutron | s_pm | 2021 | T1 | 2108.05051 |
| — | — | thin_film | STM | s-wave | 2020 | T1 | 2003.04539 |
| — | — | thin_film | resistivity | — | 2016 | T3 | 1608.06332 |
| — | — | — | ARPES | — | 2016 | T1 | 1605.07537 |
| — | ambient | single_crystal | susceptibility | — | 2012 | T1 | 1205.3949 |
| — | — | single_crystal | susceptibility | — | 2012 | T1 | 1205.3949 |
| — | — | — | susceptibility | — | 2012 | T1 | 1205.4485 |
| — | — | polycrystal | muSR | s+s-wave | 2010 | — | 1003.2726 |
| — | — | — | neutron | — | 2009 | T1 | 0904.2178 |
Structure
- Crystal structure
- tetragonal PbO type
- Space group
- P4/nmm
- Lattice a (Å)
- 3.800
- Lattice c (Å)
- 6.140
Superconducting parameters
- λ_eph (e–ph coupling)
- —
Competing orders
- T_AFM
- 125.0 K
Samples & pressure
- Sample form
- single_crystal
- Substrate
- CaF2