κ-(ET)_2Cu[N(CN)_2]Br

—

ambient SCunconventional2D / interfacecompeting orderdisputed

Tc max

11.8 K

Tc ambient

11.8 K

Discovery

1999

Papers

Tc max measured at ambient, single_crystal, specific_heat, arXiv:cond-mat/0107480, confirmed by 3 papers

Evidence (5 records from 4 papers)

the flat columns above are aggregates — each line here is one paper's claim

Tc (K)	P (GPa)	Sample	Method	Pairing	Year	Paper
11.8	ambient	single_crystal	specific_heat	unknown	2001	cond-mat/0107480
11.6	ambient	—	susceptibility	—	2003	cond-mat/0311498
11.6	ambient	single_crystal	susceptibility	d-wave	1999	cond-mat/9906060
11.5	ambient	single_crystal	specific_heat	unknown	2001	cond-mat/0107480
—	ambient	single_crystal	susceptibility, resistivity	—	2005	cond-mat/0501193