Sr_2RuO_4

layered perovskite

ambient SCunconventionaltopological2D / interfacecompeting orderdisputed

Tc max

1.5 K

Tc ambient

1.5 K

Discovery

1996

Papers

140

Tc max measured at ambient, single_crystal, resistivity, arXiv:cond-mat/0301221, confirmed by 4 papers

Evidence (179 records from 140 papers)

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

Tc (K)	P (GPa)	Sample	Method	Pairing	Year	Paper
3.0	ambient	single_crystal	STM	p-wave	2001	cond-mat/0101410
3.0	ambient	—	—	p-wave	2001	cond-mat/0102464
2.8	ambient	single_crystal	—	p-wave	2003	cond-mat/0304510
2.8	ambient	single_crystal	resistivity	—	2001	cond-mat/0101410
1.5	ambient	single_crystal	resistivity	p-wave	2003	cond-mat/0301221
1.5	ambient	—	—	p-wave	2005	cond-mat/0502370
1.5	ambient	—	—	p-wave	2004	cond-mat/0401064
1.5	ambient	—	—	p-wave	2003	cond-mat/0302299
1.5	ambient	single_crystal	—	p-wave	2003	cond-mat/0304510
1.5	ambient	—	—	p-wave	2003	cond-mat/0304532
1.5	ambient	—	resistivity	p-wave	2003	cond-mat/0305063
1.5	ambient	—	specific_heat, susceptibility, muSR	p-wave	2003	cond-mat/0306185
1.5	ambient	—	NQR, susceptibility	unknown	2003	cond-mat/0306350
1.5	ambient	single_crystal	neutron	p-wave	2003	cond-mat/0308558
1.5	ambient	—	—	p-wave	2003	cond-mat/0312664
1.5	ambient	single_crystal	thermal_conductivity	unknown	2002	cond-mat/0201010
1.5	ambient	—	specific_heat	p-wave	2002	cond-mat/0203601
1.5	ambient	—	—	p-wave	2002	cond-mat/0204021
1.5	ambient	—	susceptibility, specific_heat	p-wave	2002	cond-mat/0205050
1.5	ambient	—	—	—	2002	cond-mat/0205529
1.5	ambient	—	—	—	2002	cond-mat/0208301
1.5	ambient	—	muSR, specific_heat	p-wave	2002	cond-mat/0208306
1.5	ambient	—	susceptibility, resistivity, specific_heat, muSR	p-wave	2002	cond-mat/0208308
1.5	ambient	single_crystal	specific_heat	p-wave	2002	cond-mat/0211199
1.5	ambient	single_crystal	—	p-wave	2002	cond-mat/0211248
1.5	ambient	—	resistivity	unknown	2002	cond-mat/0212155
1.5	ambient	single_crystal	STM	p-wave	2001	cond-mat/0101410
1.5	ambient	—	—	p-wave	2001	cond-mat/0102143
1.5	ambient	—	—	p-wave	2001	cond-mat/0102464
1.5	ambient	—	—	p-wave	2001	cond-mat/0102530
1.5	ambient	—	—	—	2001	cond-mat/0103237
1.5	ambient	—	—	f-wave	2001	cond-mat/0104471
1.5	ambient	single_crystal	resistivity, susceptibility	—	2001	cond-mat/0104492
1.5	ambient	—	specific_heat	p-wave	2001	cond-mat/0105376
1.5	—	—	—	p-wave	2001	cond-mat/0108331
1.5	ambient	—	—	p-wave	2000	cond-mat/0001421
1.5	ambient	—	susceptibility, muSR, specific_heat, neutron	p-wave	2000	cond-mat/0003046
1.5	ambient	single_crystal	specific_heat, susceptibility, muSR, NMR	f-wave	2000	cond-mat/0006151
1.5	ambient	single_crystal	specific_heat, susceptibility, muSR	—	2000	cond-mat/0006301
1.5	ambient	single_crystal	specific_heat, NMR, susceptibility	p-wave	2000	cond-mat/0008095
1.5	ambient	—	—	p-wave	1999	cond-mat/9902214
1.5	ambient	—	—	p-wave	1999	cond-mat/9902265
1.5	ambient	—	—	p-wave	1999	cond-mat/9907276
1.5	ambient	—	—	p-wave	1999	cond-mat/9907442
1.5	ambient	—	—	p-wave	1999	cond-mat/9908113
1.5	ambient	—	—	p-wave	1998	cond-mat/9811001
1.5	ambient	—	resistivity	p-wave	1997	cond-mat/9703068
1.5	ambient	single_crystal	specific_heat	unknown	2026	2604.06706
1.5	ambient	single_crystal	specific_heat	p-wave	2004	cond-mat/0404070
1.5	ambient	single_crystal	specific_heat	p-wave	2003	cond-mat/0311366
1.5	ambient	single_crystal	specific_heat	p-wave	2002	cond-mat/0210537
1.5	ambient	single_crystal	susceptibility	p-wave	1998	cond-mat/9808159
1.5	ambient	single_crystal	susceptibility	—	2000	cond-mat/0008197
1.5	ambient	single_crystal	susceptibility	p-wave	2001	cond-mat/0106491
1.5	ambient	single_crystal	susceptibility	p-wave	1998	cond-mat/9808159
1.4	ambient	single_crystal	—	p-wave	2000	cond-mat/0012137
1.4	ambient	single_crystal	susceptibility	—	1999	cond-mat/9909214
1.4	ambient	single_crystal	muSR	p-wave	1998	cond-mat/9808159
1.4	ambient	single_crystal	resistivity, specific_heat, susceptibility	p-wave	2004	cond-mat/0403337
1.4	ambient	single_crystal	thermal_conductivity	p-wave	2002	cond-mat/0210537
1.4	ambient	single_crystal	specific_heat	—	2002	cond-mat/0211248
1.4	ambient	—	—	f-wave	2001	cond-mat/0104471
1.4	ambient	single_crystal	—	unknown	1999	cond-mat/9905147
1.4	ambient	single_crystal	neutron	p-wave	2002	cond-mat/0206304
1.4	ambient	single_crystal	—	p-wave	2002	cond-mat/0201032
1.4	ambient	single_crystal	resistivity	p-wave	2002	cond-mat/0210190
1.4	ambient	single_crystal	resistivity	unknown	2001	cond-mat/0104493
1.4	ambient	single_crystal	susceptibility	p-wave	2001	cond-mat/0101410
1.4	ambient	—	STM	—	2001	cond-mat/0105487
1.4	ambient	single_crystal	—	—	1999	cond-mat/9904348
1.4	ambient	single_crystal	neutron	p-wave	2000	cond-mat/0002112
1.4	ambient	single_crystal	susceptibility	unknown	2002	cond-mat/0202059
1.4	ambient	single_crystal	susceptibility	unknown	2001	cond-mat/0101319
1.4	ambient	—	—	f-wave	2001	cond-mat/0104471
1.4	ambient	single_crystal	—	p-wave	2000	cond-mat/0012137
1.4	ambient	single_crystal	—	p-wave	2002	cond-mat/0201032
1.4	ambient	single_crystal	susceptibility	p-wave	2004	cond-mat/0406195
1.4	ambient	—	—	p-wave	1998	cond-mat/9806309
1.3	ambient	single_crystal	specific_heat	p-wave	2004	cond-mat/0406195
1.3	ambient	—	—	p-wave	2001	cond-mat/0112397
1.3	ambient	single_crystal	resistivity	p-wave	1999	cond-mat/9907267
1.2	ambient	single_crystal	resistivity	p-wave	2002	cond-mat/0210190
1.2	ambient	—	specific_heat	p-wave	2003	cond-mat/0305063
1.2	ambient	single_crystal	—	p-wave	2000	cond-mat/0002359
1.0	ambient	—	—	p-wave	1997	cond-mat/9709097
1.0	ambient	single_crystal	susceptibility	p-wave	2000	cond-mat/0001184
1.0	ambient	single_crystal	resistivity	p-wave	2003	cond-mat/0301221
1.0	ambient	single_crystal	resistivity	p-wave	1999	cond-mat/9907267
1.0	ambient	—	resistivity, specific_heat, susceptibility, muSR	p-wave	2002	cond-mat/0201293
1.0	ambient	—	specific_heat, susceptibility	p-wave	2002	cond-mat/0208307
1.0	ambient	—	—	p-wave	2001	cond-mat/0105487
1.0	ambient	—	—	—	1999	cond-mat/9903254
1.0	ambient	—	—	p-wave	1999	cond-mat/9903314
1.0	ambient	—	—	p-wave	1999	cond-mat/9908486
1.0	ambient	—	—	—	1997	cond-mat/9702168
1.0	ambient	—	—	p-wave	1997	cond-mat/9706199
0.9	ambient	—	resistivity, muSR, neutron	p-wave	1998	cond-mat/9811190
0.9	ambient	—	—	—	1996	cond-mat/9611238
0.8	ambient	single_crystal	resistivity	p-wave	1999	cond-mat/9908280
0.6	ambient	single_crystal	—	—	1999	cond-mat/9904348
0.5	ambient	—	—	p-wave	2002	cond-mat/0205519
—	ambient	—	muSR, neutron, specific_heat, resistivity	p-wave	2005	cond-mat/0501231
—	ambient	single_crystal	specific_heat	—	2005	cond-mat/0501463
—	ambient	—	—	p-wave	2005	cond-mat/0502082
—	ambient	—	muSR	—	2005	cond-mat/0502226
—	ambient	—	specific_heat, susceptibility	p-wave	2005	cond-mat/0503265
—	ambient	—	specific_heat, magnetothermal_conductivity, NMR	f-wave	2005	cond-mat/0504635
—	—	—	—	unknown	2005	cond-mat/0505123
—	ambient	—	specific_heat, neutron	p-wave	2004	cond-mat/0401064
—	ambient	—	specific_heat, thermal_conductivity	—	2004	cond-mat/0401206
—	ambient	—	—	unknown	2004	cond-mat/0401214
—	ambient	single_crystal	ARPES	p-wave	2004	cond-mat/0402614
—	ambient	—	—	p-wave	2004	cond-mat/0404548
—	ambient	single_crystal	—	—	2004	cond-mat/0405099
—	ambient	single_crystal	specific_heat	f-wave	2004	cond-mat/0405236
—	—	—	susceptibility	p-wave	2004	cond-mat/0405447
—	ambient	—	—	—	2004	cond-mat/0407269
—	ambient	—	—	—	2004	cond-mat/0407666
—	ambient	—	—	—	2004	cond-mat/0408238
—	—	—	—	p-wave	2004	cond-mat/0408246
—	ambient	—	NMR, muSR	p-wave	2004	cond-mat/0408524
—	ambient	—	specific_heat	—	2004	cond-mat/0409371
—	ambient	—	—	p-wave	2004	cond-mat/0411110
—	ambient	—	—	p-wave	2004	cond-mat/0412585
—	ambient	single_crystal	resistivity	p-wave	2003	cond-mat/0301221
—	ambient	—	muSR, susceptibility, specific_heat	p-wave	2003	cond-mat/0301381
—	ambient	—	neutron, muSR, specific_heat	p-wave	2003	cond-mat/0303238
—	—	—	—	unknown	2003	cond-mat/0306567
—	ambient	single_crystal	neutron	p-wave	2003	cond-mat/0307662
—	—	—	—	p-wave	2003	cond-mat/0308034
—	ambient	—	—	p-wave	2003	cond-mat/0308083
—	ambient	—	muSR, specific_heat	p-wave	2003	cond-mat/0309156
—	ambient	—	specific_heat, susceptibility, neutron, muSR	—	2003	cond-mat/0312664
—	ambient	—	resistivity	p-wave	2002	cond-mat/0201459
—	ambient	—	susceptibility, muSR, resistivity, neutron	p-wave	2002	cond-mat/0203453
—	ambient	—	muSR, specific_heat, neutron	p-wave	2002	cond-mat/0205012
—	ambient	—	—	unknown	2002	cond-mat/0205529
—	ambient	—	muSR, neutron, specific_heat	p-wave	2002	cond-mat/0208473
—	ambient	—	STM	p-wave	2002	cond-mat/0210693
—	ambient	—	—	p-wave	2002	cond-mat/0210697
—	ambient	—	—	p-wave	2002	cond-mat/0212353
—	ambient	—	—	p-wave	2002	cond-mat/0212491
—	ambient	—	—	unknown	2001	cond-mat/0101208
—	ambient	—	—	f-wave	2001	cond-mat/0102074
—	ambient	—	IR spectroscopy	p-wave	2001	cond-mat/0102455
—	ambient	—	muSR	p-wave	2001	cond-mat/0103053
—	ambient	—	specific_heat	—	2001	cond-mat/0104432
—	ambient	—	neutron, muSR, specific_heat	—	2001	cond-mat/0104471
—	ambient	—	specific_heat	p-wave	2001	cond-mat/0105109
—	ambient	—	muSR	p-wave	2001	cond-mat/0105376
—	ambient	—	muSR	p-wave	2001	cond-mat/0106367
—	—	—	—	p-wave	2001	cond-mat/0106367
—	—	—	ARPES	—	2001	cond-mat/0107042
—	ambient	—	specific_heat, muSR	p-wave	2001	cond-mat/0108109
—	ambient	—	muSR, specific_heat	—	2001	cond-mat/0109498
—	ambient	single_crystal	specific_heat	—	2000	cond-mat/0001184
—	ambient	—	muSR, neutron	p-wave	2000	cond-mat/0001421
—	ambient	single_crystal	—	p-wave	2000	cond-mat/0002359
—	ambient	—	resistivity	—	2000	cond-mat/0003046
—	ambient	—	thermal conductivity	p-wave	2000	cond-mat/0004105
—	—	—	susceptibility	p-wave	2000	cond-mat/0005312
—	—	single_crystal	specific_heat, neutron, muSR	d-wave	2000	cond-mat/0005546
—	ambient	—	—	p-wave	2000	cond-mat/0009296
—	ambient	—	muSR, NMR	p-wave	2000	cond-mat/0008095
—	ambient	single_crystal	neutron	p-wave	2000	cond-mat/0008197
—	ambient	—	—	f-wave	2000	cond-mat/0012198
—	ambient	—	specific_heat, NMR, susceptibility, thermal_conductivity	f-wave	2000	cond-mat/0012336
—	ambient	—	susceptibility, muSR	p-wave	1999	cond-mat/9906093
—	ambient	—	NQR, NMR, specific_heat, muSR, neutron	non-s-wave	1999	cond-mat/9907276
—	ambient	single_crystal	susceptibility	p-wave	1999	cond-mat/9909027
—	ambient	single_crystal	—	p-wave	1999	cond-mat/9909214
—	ambient	—	susceptibility	unknown	1999	cond-mat/9910526
—	ambient	—	NQR, muSR	p-wave	1998	cond-mat/9806309
—	ambient	—	NQR, NMR, muSR	—	1998	cond-mat/9811001
—	3.0	—	—	—	1998	cond-mat/9811001
—	8.0	—	resistivity	—	1998	cond-mat/9811001
—	ambient	—	specific_heat	p-wave	1997	cond-mat/9702148
—	ambient	—	—	p-wave	1997	cond-mat/9706284
—	ambient	—	—	—	1997	cond-mat/9709096

Structure

Crystal structure: layered perovskite
Space group: I4/mmm (#139)
Lattice a (Å): 3.854
Lattice c (Å): 12.822

Superconducting parameters

Pairing symmetry: p-wave
Gap structure: nodal
Hc2: 1.5 T (100 mK, H parallel c)
λ_eph (e–ph coupling): —

Competing orders

Competing order: AFM
ρ(T) exponent: 2.00

Samples & pressure

Sample form: single_crystal
Pressure type: none
Doping type: none
Doping level: 0.000