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He Ge1, 2, †, ‡, Wei Zhong-Xu1, 2, †, Brisbois Jérémy3, †, Jia Yan-Li1, 2, Huang Yu-Long1, 2, Zhou Hua-Xue1, 2, Ni Shun-Li1, 2, Silhanek Alejandro V3, Shan Lei1, 2, 4, Zhu Bei-Yi1, Yuan Jie1, Dong Xiao-Li1, 2, 4, Zhou Fang1, 2, 4, Zhao Zhong-Xian1, 2, 4, Jin Kui1, 2, 4
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(color online) Distinction between critical current effects and multiband or p-wave superconductivity. (a) The I(V) curve of (Li1−xFex)OHFeSe film at T = 2 K with a critical temperature
T
c
=
45
K
. (b)
d
I
/
d
V
(
V
)
spectra of (Li1−xFex)OHFeSe film, for T between 2 K and 55 K. (c)
d
I
/
d
V
(
V
)
spectra of (Li1−xFex)OHFeSe at 2 K for a magnetic field
μ
0
H
=
0
T (blue line) and
μ
0
H
=
5
T (red line). (d) The I(V) dependence of LiTi2O4 film at T = 2.5 K with a critical temperature
T
c
=
11.5
K
. (e)
d
I
/
d
V
(
V
)
spectra of LiTi2O4 film, for T between 2.5 K and 12.5 K. (f)
d
I
/
d
V
(
V
)
spectra of LiTi2O4 for magnetic fields between 0 T (blue line) and 15 T (red line) at 2.5 K.
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