Table 1 Comparison of some physical parameters of the superconductors Ta3Pd3Te14 (present work and20) and Ta4Pd3Te166,17,19,20.

From: Superconductivity in Ta3Pd3Te14 with quasi-one-dimensional PdTe2 chains

Space group

Ta3Pd3Te14

Ta4Pd3Te16

P21/m

I2/m

Physical parameters

RRR

23

26

Tc (K)

1.0

4.6

ΔTc (K)

0.13

0.76

(T/K) (H || c*)

−0.14

−0.44

μ0Hc2 (T) (H || c*)

0.075

3.3

γn (mJ mol−1 K−2)

28.2

46.1

θD (K)

151.6

148.8

λph

0.51

0.77

λnph

1.99

1.536, 0.1219

Nbs(EF) (eV−1 fu−1)

3.420

9.619, 5.520

ΔC/(γnTc)

1.35

1.40

  1. RRR, Tc, ΔTc, Hc2, γn, θD, λph, λnph, Nbs(EF) and ΔC/(γnTc) denote the residual resistivity ratio, superconducting transition temperature, transition width, upper critical field, electronic specific-heat coefficient, Debye temperature, electron-phonon coupling constant, electron-nonphonon coupling constant, density of states at Fermi level and dimensionless specific-heat jump, respectively.
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