Table 1 Ratio Honset /HminS (R) for several type II superconductors.

From: A precursor mechanism triggering the second magnetization peak phenomenon in superconducting materials

Sample

T (K)

R(Honset /HminS)

References

YBa2Cu3O7-δ

77

0.51 ± 0.05

Küpfer et al.49

La1.88Sr0.12CuO4

16

0.40 ± 0.04

Ionescu et al.50

La1.8Sr0.2CuO4

26

0.28 ± 0.03

Ionescu et al.50

Bi2Sr2CaCu2O8+δ

25

0.74 ± 0.04

Miu et al.23

YBa2CuO7-δ

40

0.22 ± 0.02

Pissas et al.24

(K, Ba)BiO3

4

0.67 ± 0.03

Joumard et al.51

Ba(Fe0.93Co0.07)2As2

15

0.30 ± 0.03

Prozorov et al.16

FeTe0.6Se0.4

5

0.54 ± 0.06

Sun et al.20

Ca10(Pt4As8)(Fe1.99Pt0.01As2)5

12

0.45 ± 0.05

Ahmad et al.52

FeTe0.7Se0.3

4.25

0.57 ± 0.05

Bonura et al.18

BaFe2(As0.72P0.28)2

18

0.70 ± 0.03

Ionescu et al.50

Ba(Fe0.93Co0.07)2As2

15

0.40 ± 0.03

Nakajima et al.53