title: Superconductivity in Ta3Pd3Te14 with quasi-one-dimensional PdTe2 chains.
abstract: We report bulk superconductivity at 1.0 K in a low-dimensional ternary telluride Ta3Pd3Te14 containing edge-sharing PdTe2 chains along crystallographic b axis, similar to the recently discovered superconductor Ta4Pd3Te16. The electronic heat capacity data show an obvious anomaly at the transition temperature, which indicates bulk superconductivity. The specific-heat jump is ΔC/(γ(n)T(c)) ≈ 1.35, suggesting a weak coupling scenario. By measuring the low-temperature thermal conductivity, we conclude that Ta3Pd3Te14 is very likely a dirty s-wave superconductor. The emergence of superconductivity in Ta3Pd3Te14 with a lower T(c), compared to that of Ta4Pd3Te16, may be attributed to the lower density of states.
authors.affiliation: Department of Physics, Zhejiang University of Science and Technology, Hangzhou 310023, China.
authors.forename: Wen-He
authors.initials: WH
authors.lastname: Jiao
authors.affiliation: State Key Laboratory of Surface Physics, Department of Physics, and Laboratory of Advanced Materials, Fudan University, Shanghai 200433, China.
authors.forename: Lan-Po
authors.initials: LP
authors.lastname: He
authors.affiliation: Department of Physics, Zhejiang University, Hangzhou 310027, China.
authors.forename: Yi
authors.initials: Y
authors.lastname: Liu
authors.affiliation: Department of Physics, Hangzhou Normal University, Hangzhou 310036, China.
authors.forename: Xiao-Feng
authors.initials: XF
authors.lastname: Xu
authors.affiliation: Department of Physics, Hangzhou Normal University, Hangzhou 310036, China.
authors.forename: Yu-Ke
authors.initials: YK
authors.lastname: Li
authors.affiliation: Department of Physics, Zhejiang University of Science and Technology, Hangzhou 310023, China.
authors.forename: Chu-Hang
authors.initials: CH
authors.lastname: Zhang
authors.affiliation: Department of Physics, Hangzhou Normal University, Hangzhou 310036, China.
authors.forename: Nan
authors.initials: N
authors.lastname: Zhou
authors.affiliation: Department of Physics, Zhejiang University, Hangzhou 310027, China.|Collaborative Innovation Centre of Advanced Microstructures, Nanjing 210093, China.
authors.forename: Zhu-An
authors.initials: ZA
authors.lastname: Xu
authors.affiliation: State Key Laboratory of Surface Physics, Department of Physics, and Laboratory of Advanced Materials, Fudan University, Shanghai 200433, China.|Collaborative Innovation Centre of Advanced Microstructures, Nanjing 210093, China.
authors.forename: Shi-Yan
authors.initials: SY
authors.lastname: Li
authors.affiliation: Department of Physics, Zhejiang University, Hangzhou 310027, China.|Collaborative Innovation Centre of Advanced Microstructures, Nanjing 210093, China.
authors.forename: Guang-Han
authors.initials: GH
authors.lastname: Cao