CeCu₂Si₂

heavy_fermion · tetragonal

View structure on Materials Projectmp-5452

ambient SCunconventionalcompeting orderdisputed

Tc max

0.8 K

Tc ambient

0.7 K

arXiv year

1986

Papers

Tc exp.

0.8 K

Tc theo.

0.6 K

Evidence

experimental

Tc max measured at ambient, single_crystal, resistivity, DOI: 10.1103/PhysRevB.85.205105, confirmed by 2 papers

Evidence (66 records from 39 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
2.0	4.0	single_crystal	resistivity, susceptibility, specific_heat	—	2015	—	1503.04861
0.8	ambient	single_crystal	resistivity	—	2012	T1	DOI: 10.1103/PhysRevB.85.205105
0.8	2.6	polycrystal	susceptibility	—	2001	T1	DOI: 10.1103/PhysRevB.63.140501
0.8	2.6	polycrystal	susceptibility	—	2000	T1	cond-mat/0012493
0.7	—	polycrystal	resistivity, STM	d-wave	1987	T1	DOI: 10.1103/PhysRevB.35.8873
0.7	—	polycrystal	resistivity	d-wave	2003	T1	DOI: 10.1103/PhysRevB.68.024522
0.7	—	single_crystal	susceptibility	s-wave	2017	T1	1705.06075
0.7	—	single_crystal	susceptibility	s-wave	2017	T1	DOI: 10.1103/PhysRevLett.119.077001
0.7	—	polycrystal	resistivity	d-wave	2003	T1	DOI: 10.1103/PhysRevB.68.024522
0.7	0.3	single_crystal	resistivity, susceptibility, specific_heat	—	2015	—	1503.04861
0.7	—	polycrystal	susceptibility	—	1997	T1	DOI: 10.1103/PhysRevB.56.699
0.7	—	polycrystal	resistivity	d-wave	2003	T1	DOI: 10.1103/PhysRevB.68.024522
0.7	—	single_crystal	STM	unknown	2016	T1	DOI: 10.1103/PhysRevB.93.045123
0.7	—	—	STM	unknown	2015	T1	1505.00804
0.7	—	polycrystal	resistivity	—	2012	T1	1206.5747
0.7	—	polycrystal	specific_heat	d-wave	2003	T1	DOI: 10.1103/PhysRevB.68.024522
0.7	ambient	single_crystal	susceptibility	—	1994	T1	DOI: 10.1103/PhysRevLett.72.1754
0.7	—	polycrystal	specific_heat	d-wave	2003	T1	DOI: 10.1103/PhysRevB.68.024522
0.7	—	polycrystal	resistivity, specific_heat	d-wave	2003	T1	DOI: 10.1103/PhysRevB.68.024522
0.7	ambient	polycrystal	susceptibility	—	2001	T1	DOI: 10.1103/PhysRevB.63.140501
0.7	1.4	polycrystal	susceptibility	—	2001	T1	DOI: 10.1103/PhysRevB.63.140501
0.7	ambient	polycrystal	susceptibility	—	2000	T1	cond-mat/0012493
0.7	0.8	polycrystal	susceptibility	—	2000	T1	cond-mat/0012493
0.7	1.4	polycrystal	susceptibility	—	2000	T1	cond-mat/0012493
0.6	—	polycrystal	resistivity	d-wave	2003	T1	DOI: 10.1103/PhysRevB.68.024522
0.6	0.4	single_crystal	specific_heat	—	2009	T1	0911.0898
0.6	0.4	single_crystal	specific_heat	d-wave	2009	T1	DOI: 10.1103/PhysRevB.80.140513
0.6	—	polycrystal	resistivity	d-wave	2003	T1	DOI: 10.1103/PhysRevB.68.024522
0.6	—	single_crystal	resistivity	unknown	1994	T1	DOI: 10.1103/PhysRevLett.72.2278
0.6	—	polycrystal	resistivity	d-wave	2003	T1	DOI: 10.1103/PhysRevB.68.024522
0.6	—	single_crystal	neutron	s-wave	2021	T1	DOI: 10.1103/PhysRevB.104.184508
0.6	ambient	—	—	s_pm	2018	T1	1801.01690
0.6	—	single_crystal	muSR	s_pm	2017	T1	1710.03364
0.6	ambient	single_crystal	susceptibility	s-wave	2017	T1	DOI: 10.1103/PhysRevB.96.134506
0.6	—	single_crystal	specific_heat, susceptibility	s-wave	2016	T1	DOI: 10.1103/PhysRevB.94.054514
0.6	—	single_crystal	specific_heat, susceptibility	—	2016	T1	1608.00680
0.6	—	single_crystal	specific_heat, susceptibility	unknown	2014	T1	DOI: 10.1103/PhysRevLett.112.067002
0.6	—	single_crystal	specific_heat	—	2013	T1	1307.3499
0.6	0.1	—	specific_heat	—	2012	T1	1203.0519
0.6	0.1	single_crystal	specific_heat	—	2011	T1	DOI: 10.1103/PhysRevLett.107.057001
0.6	—	single_crystal	susceptibility	—	2003	T1	DOI: 10.1103/PhysRevB.67.214504
0.6	—	polycrystal	susceptibility	—	1991	T1	DOI: 10.1103/PhysRevB.43.83
0.6	—	single_crystal	—	unknown	2016	T1	DOI: 10.1103/PhysRevB.93.045123
0.6	—	single_crystal	—	unknown	2015	T1	1505.00804
0.6	1.5	single_crystal	specific_heat	—	2009	T1	0911.0898
0.6	1.5	single_crystal	specific_heat	d-wave	2009	T1	DOI: 10.1103/PhysRevB.80.140513
0.6	—	polycrystal	specific_heat	d-wave	2003	T1	DOI: 10.1103/PhysRevB.68.024522
0.6	—	polycrystal	susceptibility	—	1997	T1	DOI: 10.1103/PhysRevB.56.699
0.6	—	polycrystal	specific_heat	d-wave	2003	T1	DOI: 10.1103/PhysRevB.68.024522
0.6	—	polycrystal	susceptibility	—	1997	T1	DOI: 10.1103/PhysRevB.56.699
0.5	—	single_crystal	resistivity	d-wave	2022	T1	2208.14663
0.5	ambient	—	specific_heat	—	2012	T1	1203.0519
0.5	ambient	single_crystal	specific_heat, susceptibility	—	2011	T1	DOI: 10.1103/PhysRevLett.107.057001
0.5	ambient	single_crystal	specific_heat	—	2009	T1	0911.0898
0.5	ambient	single_crystal	specific_heat	d-wave	2009	T1	DOI: 10.1103/PhysRevB.80.140513
0.5	—	single_crystal	susceptibility	—	2003	T1	DOI: 10.1103/PhysRevB.67.214504
—	—	single_crystal	neutron	s-wave	2022	T1	DOI: 10.1103/PhysRevB.105.219904
—	—	—	ARPES	—	2021	—	2105.12394
—	—	—	—	s-wave	2018	—	1807.11427
—	—	—	—	s-wave	2018	T1	1810.06135
—	—	—	specific_heat, susceptibility, resistivity	s-wave	2017	T1	1703.02800
—	—	single_crystal	susceptibility	d-wave	2016	T1	1605.04786
—	ambient	—	—	s_pm	2015	T1	1504.07312
—	ambient	single_crystal	neutron	d-wave	2012	T1	1202.4112
—	—	—	resistivity	—	1997	T1	cond-mat/9711089
—	—	single_crystal	neutron	—	1986	T1	DOI: 10.1103/PhysRevB.34.4382

Structure

Crystal structure: tetragonal
Space group: I4/mmm
Lattice a (Å): 4.099
Lattice c (Å): 9.923

Superconducting parameters

Hc2: 2.3 T (0 K)
λ_eph (e–ph coupling): —

Competing orders

T_SDW: 0.8 K

Samples & pressure

Pressure type: hydrostatic
Doping type: none
Doping level: 0.000