κ-(BEDT-TTF)_2Cu[N(CN)_2]Br

—

ambient SC2D / interfacecompeting orderdisputed

Tc max

12.5 K

Tc ambient

12.5 K

Discovery

1999

Papers

Tc max measured at ambient, single_crystal, arXiv:cond-mat/0103237, confirmed by 4 papers

Evidence (9 records from 5 papers)

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

Tc (K)	P (GPa)	Sample	Method	Pairing	Year	Paper
12.5	ambient	single_crystal	—	—	2001	cond-mat/0103237
11.9	ambient	single_crystal	susceptibility	—	2001	cond-mat/0108532
11.7	ambient	single_crystal	susceptibility	—	2003	cond-mat/0311300
11.5	ambient	single_crystal	susceptibility	—	2001	cond-mat/0108532
11.5	ambient	single_crystal	specific_heat	—	1999	cond-mat/9912031
11.4	ambient	single_crystal	susceptibility	—	2003	cond-mat/0311300
11.0	ambient	single_crystal	susceptibility	—	2001	cond-mat/0108532
10.9	ambient	single_crystal	susceptibility	—	2003	cond-mat/0311300
—	ambient	—	—	unknown	2002	cond-mat/0202334

Hc2: 10.0 T (upturn has a tendency to disappear when the direction of the magnetic field is slightly tilted)
λ_eph (e–ph coupling): 2.50