Superconductivity in Pd-Intercalated Ternary Rare-Earth Polychalcogenide NdSeTe2

被引：1

作者：

Wang Pei-Pei ^{[1
,2
]}

Xue Mian-Qi ^{[1
,2
]}

Long Yu-Jia ^{[1
,2
,3
]}

Zhao Ling-Xiao ^{[1
,2
]}

Cai Yao ^{[1
,2
]}

Yang Huai-Xin ^{[1
,2
]}

Li Jian-Qi ^{[1
,2
,4
]}

Ren Zhi-An ^{[1
,2
,4
]}

Chen Gen-Fu ^{[1
,2
,4
]}

机构：

[1] Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China

[2] Chinese Acad Sci, Beijing Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China

[3] Renmin Univ China, Dept Phys, Beijing 100872, Peoples R China

[4] Collaborat Innovat Ctr Quantum Matter, Beijing 100190, Peoples R China

来源：

CHINESE PHYSICS LETTERS | 2015年 / 32卷 / 11期

关键词：

ELECTRONIC-PROPERTIES; CHARGE; EMERGENCE; ORDER;

D O I：

10.1088/0256-307X/32/11/117401

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We synthesize a set of Pd-doped polycrystalline samples PdxNdSeTe2 and measure their physical properties. Compared with pure NdSeTe2, the charge density wave (CDW) order is continuously suppressed with the Pd-intercalation. Bulk superconductivity first appears at x = 0.06 with T-c nearly 2.5 K, coexisting with a CDW transition at 176 K. Further Pd-doping enhances T-c, until it reaches the maximum value 2.84 K at x = 0.1, meanwhile the CDW transition vanishes. The upper critical field for the optimal doping sample Pd0.1NdSeTe2 is determined from the R-H measurement, which is estimated to be 0.6 T. These results provide another kind of ideal compound for studying the interplay between CDW and superconductivity systematically.

引用

页数：4

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