NaxCoO₂·yH₂O

conventional

ambient SCunconventionaldisputed

Tc max

4.7 K

Tc ambient

4.6 K

arXiv year

2003

Papers

Tc exp.

4.7 K

Tc theo.

4.5 K

Evidence

mixed

Tc max measured at polycrystal, susceptibility, DOI: 10.1103/PhysRevLett.107.066404, confirmed by 3 papers

Evidence (28 records from 23 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
4.8	—	—	NMR	—	2006	—	cond-mat/0607368
4.7	—	polycrystal	susceptibility	—	2011	T1	DOI: 10.1103/PhysRevLett.107.066404
4.7	—	polycrystal	susceptibility	—	2010	T2	1007.4873
4.6	—	powder	susceptibility	—	2005	T1	cond-mat/0508196
4.6	—	powder	susceptibility	—	2004	T1	cond-mat/0408426
4.5	—	polycrystal	susceptibility	—	2010	T2	1007.4873
4.5	—	polycrystal	susceptibility, specific_heat	—	2007	T1	DOI: 10.1103/PhysRevB.76.092501
4.5	—	powder	—	—	2005	T1	cond-mat/0506549
4.5	—	—	—	—	2004	T1	DOI: 10.1103/PhysRevB.70.104505
4.2	—	powder	susceptibility	—	2004	T1	cond-mat/0408426
4.0	—	single_crystal	susceptibility	—	2006	T1	DOI: 10.1103/PhysRevLett.97.267003
3.8	—	polycrystal	susceptibility	—	2011	T1	DOI: 10.1103/PhysRevLett.107.066404
3.5	—	polycrystal	susceptibility	—	2010	T2	1007.4873
2.8	—	polycrystal	susceptibility	—	2010	T2	1007.4873
—	—	—	—	—	2018	—	1806.03773
—	—	—	—	d-wave	2013	T1	1301.5662
—	—	—	—	d-wave	2012	T3	1212.5367
—	—	—	—	s-wave	2008	T1	0801.3495
—	—	single_crystal	—	s-wave	2008	T1	0803.3253
—	—	—	—	s-wave	2006	—	cond-mat/0610562
—	—	—	—	unknown	2005	T3	cond-mat/0507305
—	—	—	—	s-wave	2004	T2	cond-mat/0403135
—	—	single_crystal	—	unknown	2004	T1	cond-mat/0402503
—	—	—	—	f-wave	2004	T3	cond-mat/0407094
—	—	—	—	unknown	2004	T2	cond-mat/0401160
—	—	—	—	d-wave	2004	T2	cond-mat/0401595
—	—	powder	specific_heat	—	2003	T3	cond-mat/0308143
—	—	—	—	f-wave	2003	T3	cond-mat/0311266