MgCNi3

perovskite structure · perovskite

ambient SC2D / interfacedisputed

Tc max

11.0 K

Tc ambient

11.0 K

Discovery

2001

Papers

Tc max measured at ambient, arXiv:cond-mat/0105418, confirmed by 2 papers

Evidence (45 records from 32 papers)

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

Tc (K)	P (GPa)	Sample	Method	Pairing	Year	Paper
11.0	ambient	—	—	—	2001	cond-mat/0105418
11.0	ambient	—	—	—	2001	cond-mat/0110448
10.0	ambient	—	—	—	2001	cond-mat/0105349
8.5	ambient	polycrystal	—	—	2004	cond-mat/0410430
8.5	ambient	—	—	—	2001	cond-mat/0106583
8.2	ambient	thin_film	resistivity	—	2003	cond-mat/0305117
8.2	ambient	polycrystal	resistivity	—	2001	cond-mat/0104554
8.1	ambient	polycrystal	resistivity	s-wave	2002	cond-mat/0202277
8.0	ambient	—	resistivity, specific_heat, muSR	unknown	2005	cond-mat/0504659
8.0	ambient	—	specific_heat	—	2004	cond-mat/0404501
8.0	ambient	polycrystal	resistivity, susceptibility	—	2004	cond-mat/0410430
8.0	ambient	—	—	—	2001	cond-mat/0103296
8.0	ambient	polycrystal	resistivity	—	2001	cond-mat/0104554
8.0	ambient	—	STM, specific_heat	—	2001	cond-mat/0105418
8.0	ambient	—	specific_heat	unknown	2001	cond-mat/0105577
8.0	ambient	—	—	—	2001	cond-mat/0107010
8.0	ambient	polycrystal	resistivity	—	2001	cond-mat/0107352
7.7	ambient	polycrystal	resistivity	s-wave	2002	cond-mat/0202277
7.6	ambient	polycrystal	specific_heat, STM	—	2001	cond-mat/0105280
7.6	ambient	polycrystal	resistivity	—	2001	cond-mat/0105280
7.3	ambient	polycrystal	susceptibility	s-wave	2002	cond-mat/0202277
7.2	ambient	polycrystal	susceptibility	d-wave	2003	cond-mat/0302431
7.2	ambient	polycrystal	susceptibility	—	2001	cond-mat/0108397
7.1	ambient	—	—	—	2004	cond-mat/0410504
7.1	ambient	polycrystal	resistivity	—	2002	cond-mat/0209575
7.1	ambient	powder	—	—	2004	cond-mat/0412551
7.0	ambient	—	—	—	2001	cond-mat/0104541
7.0	ambient	powder	—	s-wave	2001	cond-mat/0106476
6.9	ambient	polycrystal	susceptibility, resistivity	s-wave	2005	cond-mat/0503493
6.8	ambient	—	—	—	2004	cond-mat/0410504
6.8	ambient	polycrystal	resistivity	—	2003	cond-mat/0306052
6.7	ambient	polycrystal	specific_heat	s-wave	2004	cond-mat/0404451
6.6	ambient	polycrystal	susceptibility	—	2003	cond-mat/0306052
6.5	ambient	polycrystal	resistivity	—	2002	cond-mat/0209575
3.9	ambient	thin_film	resistivity	—	2003	cond-mat/0305117
2.9	ambient	polycrystal	resistivity	—	2002	cond-mat/0209575
—	ambient	polycrystal	specific_heat	—	2005	cond-mat/0503493
—	ambient	—	specific_heat	—	2004	cond-mat/0404501
—	ambient	polycrystal	resistivity	—	2003	cond-mat/0302350
—	ambient	—	—	—	2003	cond-mat/0306551
—	—	—	specific_heat	s-wave	2003	cond-mat/0308198
—	ambient	—	resistivity, specific_heat	—	2003	cond-mat/0312397
—	ambient	—	specific_heat	—	2002	cond-mat/0202034
—	ambient	—	—	—	2002	cond-mat/0204543
—	ambient	—	—	—	2001	cond-mat/0105366

Structure

Crystal structure: perovskite structure
Space group: Pm-3m
Phase: perovskite
Lattice a (Å): 3.812

Superconducting parameters

Pairing symmetry: s-wave
Gap structure: full_gap
Hc2: 15.0 T (0 K)
λ_eph (e–ph coupling): 1.50
ω_log: 400 K

Competing orders

ρ(T) exponent: 1.70

Samples & pressure

Sample form: polycrystal
Substrate: sapphire
Pressure type: none
Doping type: none
Doping level: 0.000