← Materials
EuFe2As2
iron_based · ThCr2Si2-type tetragonal structure · 122
unconventionalcompeting order
Tc max
31.0 K
Tc ambient
—
arXiv year
2008
Papers
18
Tc exp.
31.0 K
Tc theo.
—
Evidence
experimental
Tc max measured at P=2.8 GPa, single_crystal, susceptibility, arXiv:0904.2618, confirmed by 5 papers
Evidence (28 records from 18 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 |
|---|---|---|---|---|---|---|---|
| 41.0 | 8.0 | — | resistivity | — | 2011 | T1 | 1102.2571 |
| 31.0 | 1.9 | single_crystal | resistivity | — | 2011 | T1 | 1103.4209 |
| 31.0 | 2.4 | single_crystal | resistivity | — | 2010 | T1 | 1008.0684 |
| 31.0 | 2.8 | single_crystal | susceptibility | — | 2009 | T1 | 0904.2618 |
| 31.0 | 2.6 | — | susceptibility | — | 2009 | T1 | 0908.2280 |
| 30.0 | 2.5 | single_crystal | resistivity | — | 2013 | T1 | DOI: 10.1103/PhysRevB.88.224510 |
| 30.0 | 2.5 | single_crystal | resistivity | — | 2011 | T1 | DOI: 10.1103/PhysRevB.83.100501 |
| 30.0 | 2.5 | single_crystal | resistivity | — | 2011 | T1 | DOI: 10.1103/PhysRevB.83.214513 |
| 30.0 | — | single_crystal | resistivity | — | 2010 | T1 | 1008.0684 |
| 30.0 | 2.5 | single_crystal | resistivity | — | 2010 | T1 | 1011.5084 |
| 29.5 | 2.0 | single_crystal | resistivity | — | 2009 | T1 | DOI: 10.1103/PhysRevB.79.212509 |
| 29.5 | 2.0 | single_crystal | resistivity | — | 2009 | T1 | DOI: 10.1103/PhysRevB.79.212509 |
| 29.5 | 2.3 | single_crystal | resistivity | — | 2009 | T1 | DOI: 10.1103/PhysRevB.79.212509 |
| 29.5 | 2.0 | single_crystal | resistivity | — | 2008 | T1 | 0808.2026 |
| 29.0 | 2.9 | single_crystal | susceptibility | — | 2009 | T1 | 0904.2618 |
| 29.0 | 2.8 | single_crystal | resistivity | — | 2009 | T1 | 0904.2618 |
| 28.0 | 2.8 | — | resistivity | — | 2010 | — | 1008.2029 |
| 27.0 | 2.5 | single_crystal | neutron | — | 2019 | T1 | DOI: 10.1103/PhysRevB.100.014503 |
| 27.0 | 2.5 | single_crystal | neutron | — | 2019 | T1 | 1906.08710 |
| 27.0 | 2.8 | single_crystal | resistivity | — | 2009 | T1 | 0904.2618 |
| 25.0 | 2.7 | single_crystal | susceptibility | — | 2018 | T1 | DOI: 10.1103/PhysRevB.98.100502 |
| 25.0 | 2.6 | — | resistivity | — | 2010 | — | 1007.2889 |
| 25.0 | 2.5 | — | resistivity, susceptibility | — | 2010 | — | 1007.2889 |
| — | — | single_crystal | ARPES | — | 2018 | T1 | DOI: 10.1103/PhysRevB.98.205142 |
| — | — | single_crystal | resistivity | — | 2013 | T1 | 1312.3380 |
| — | 2.4 | single_crystal | resistivity | — | 2011 | T1 | 1103.4209 |
| — | 2.6 | single_crystal | resistivity | — | 2011 | T1 | 1103.4209 |
| — | 3.1 | single_crystal | resistivity | — | 2011 | T1 | 1103.4209 |
Structure
- Crystal structure
- ThCr2Si2-type tetragonal structure
- Space group
- I4/mmm
- Phase
- 122
- Lattice a (Å)
- 3.900
- Lattice c (Å)
- 12.100
Superconducting parameters
- Hc2
- 25.0 T (0 K, B parallel ab, onset)
- λ_eph (e–ph coupling)
- —
Competing orders
- Competing order
- AFM
- T_SDW
- 190.0 K
- T_AFM
- 190.0 K
- ρ(T) exponent
- 1.00
Samples & pressure
- Sample form
- single_crystal
- Pressure type
- hydrostatic