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Na_0.35CoO_2 · y H_2O
hexagonal
ambient SCunconventionaltopological2D / interfacecompeting orderdisputed
Tc max
5.0 K
Tc ambient
5.0 K
Discovery
2003
Papers
3
Tc max measured at ambient, resistivity, arXiv:cond-mat/0304409, confirmed by 2 papers
Evidence (4 records from 3 papers)
the flat columns above are aggregates — each line here is one paper's claim| Tc (K) | P (GPa) | Sample | Method | Pairing | Year | Paper |
|---|---|---|---|---|---|---|
| 5.0 | ambient | — | resistivity, susceptibility | p-wave | 2003 | cond-mat/0304409 |
| 4.7 | ambient | powder | susceptibility | — | 2003 | cond-mat/0304537 |
| 4.2 | 1.5 | powder | susceptibility | — | 2003 | cond-mat/0304537 |
| — | ambient | — | — | — | 2003 | cond-mat/0306408 |
Structure
- Crystal structure
- hexagonal
- Space group
- P6_3/mmc
- Lattice a (Å)
- 2.820
- Lattice c (Å)
- 19.593
Superconducting parameters
- Gap structure
- full_gap
- Hc2
- 61.0 T
- λ_eph (e–ph coupling)
- —
Competing orders
- Competing order
- AFM
- ρ(T) exponent
- 2.00
Samples & pressure
- Pressure type
- none
- Doping type
- hole
- Doping level
- 0.350