Table 2 Ratio Honset /HminS (R) for several type II superconductors at various temperatures.

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

Sample

T (K)

R(Honset /HminS)

References

Bi2Sr2CaCu2O8+δ

16, 25

0.37 ± 0.02

Sun et al.25

LiFeAs

5, 10

0.67 ± 0.05

Pramanik et al.14

HgBa2CuO4+δ

5, 7.5, 10

0.69 ± 0.05

Pissas et al.26

FeTe0.6Se0.4

9, 10, 11

0.47 ± 0.05

Ionescu et al.50; Miu et al.54

Ba0.75K0.25Fe2As2

9, 11 12

0.61 ± 0.03

Sundar et al.55

Ba(Fe0.935Co0.065)2As2

15, 16, 19

0.32 ± 0.02

Sundar et al.29

Ca0.8La0.2Fe0.978Co0.022As2

16, 20, 25

0.50 ± 0.03

Zhou et al.15

FeTe0.59Se0.41

2, 4, 6

0.45 ± 0.05

Taen et al.19

Ba0.72K0.28Fe2As2

25.5, 27.2, 29.5

0.26 ± 0.03

Salem-Sugui et al.22

Nb

2.5, 3.5, 4.3, 5

0.69 ± 0.07

Stamopoulos et al.27

BaFe2(As0.68P0.32)2

21, 22, 23, 24

0.43 ± 0.05

Salem-Sugui et al.56

Ba(Fe0.925Co0.075)2As2

12, 14, 18, 19

0.31 ± 0.04

Kopeliansky et al.17

Fe0.96Te0.59Se0.45

2.5, 4, 5, 6, 7, 8

0.6 ± 0.04

This work