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We report the effect of Pt doping on the superconductivity in CuRh2Se4 spinel using a combined experimental and theoretical study. Our XRD results reveal that the Cu(Rh1-xPtx)2Se4 crystallizes in the structure with a space group of Fd3-m…

Superconductivity · Physics 2022-03-14 Yiyi He , Yi-Xin You , Lingyong Zeng , Shu Guo , Huawei Zhou , Kuan Li , Yanhao Huang , Peifeng Yu , Chao Zhang , Chao Cao , Huixia Luo

Here we report the effect of structural and superconductivity properties on Ru doped CuIr2Te4 telluride chalcogenide. XRD results suggest that the CuIr2-xRuxTe4 maintain the disordered trigonal structure with space group P3m1 (No. 164) for…

Superconductivity · Physics 2019-11-13 Dong Yan , Lingyong Zeng , Yishi Lin , Junjie Yin , Yuan He , Xing Zhang , Meiling Huang , Meng Wang , Yihua Wang , Daoin Yao , Huixia Luo

We report the observation of superconductivity in the CuIr2Se4 spinel induced by partial substitution of Pt for Ir. The optimal doping level for superconductivity in Cu(Ir1-xPtx)2Se4 is x = 0.2, where Tc is 1.76 K. A superconducting Tc vs.…

We report the path from the charge density wave (CDW)-bearing superconductor CuIr2Te4 to the metal insulator transition (MIT)-bearing compound CuIr2S4 by chemical alloying with the gradual substitution of S for Te. The evolution of…

Superconductivity in PdTe2 heavy transition metal based compounds is rapidly developing field in condensed matter physics community. Here, we report superconductivity in a nominal ternary telluride Ta2Pd0.97Te6 compound, which is…

Superconductivity · Physics 2015-06-01 Reena Goyal , Brajesh Tiwari , Rajveer Jha , V. P. S Awana

Superconductivity in low-dimensional compounds has long attracted much interest. Here we report superconductivity in a low-dimensional ternary telluride Ta4Pd3Te16 in which the repeating layers contain edge-sharing octahedrally-coordinated…

Superconductivity · Physics 2014-11-26 Wen-He Jiao , Zhang-Tu Tang , Yun-Lei Sun , Yi Liu , Qian Tao , Chun-Mu Feng , Yue-Wu Zeng , Zhu-An Xu , Guang-Han Cao

We report suppression of superconductivity in Bi4O4S3 compound by Se doping at S site. Bulk polycrystalline samples are synthesized by solid state reaction route. The Rietveld refined of XRD data of all the studied samples show that the…

Superconductivity · Physics 2014-03-05 Rajveer Jha , V. P. S. Awana

We report on doping dependencies of structural parameters and superconducting transition temperatures in the solid solution (Ba1-xKx)Fe2As2. As the main effect of doping on the crystal structure, we find linear decreasing As-Fe-As bond…

Superconductivity · Physics 2008-09-26 Marianne Rotter , Michael Pangerl , Marcus Tegel , Dirk Johrendt

Tellurium (Te) is one of the p-orbital chalcogens, which shows attractive physical properties at ambient pressure. Here, we systematically investigate both structural and electronic evolution of Te single crystal under high pressure up to…

Superconductivity · Physics 2023-12-19 Lingxiao Zhao , Cuiying Pei , Juefei Wu , Yi Zhao , Qi Wang , Bangshuai Zhu , Changhua Li , Weizheng Cao , Yanpeng Qi

Here, we report the synthesis and characterization of sulphur-substituted iron telluride i.e. FeTe1-xSx; (x = 0-30 %) system and study the impact of low temperature oxygen (O2) annealing as well. Rietveld analysis of room temperature x-ray…

Superconductivity · Physics 2015-05-19 V. P. S. Awana , Anand Pal , Arpita Vajpayee , Bhasker Gahtori , H. Kishan

Here we report the first observation of superconductivity in the AB2X4-type ternary telluride CuIr2Te4, which is synthesized by a solid-state method in an evacuated quartz jacket. It adopts a disordered trigonal structure with space group…

We report on the superconductivity in ternary transition metal tellurides Ta2Pd3Te5 and Nb2Pd3Te5, which have a one-dimensional crystal structure. Single-crystalline and polycrystalline samples of Ta2Pd3Te5 show nonmetallic electron…

BaFe2As2 is the parent compound of the '122' iron arsenide superconductors and crystallizes with the tetragonal ThCr2Si2 type structure, space group I4/mmm. A spin density wave transition at 140 K is accompanied by a symmetry reduction to…

Superconductivity · Physics 2015-05-13 Dirk Johrendt , Rainer Poettgen

Single crystals of Fe(1+x)Te(1-y)Se(y) have been grown with a controlled Fe excess and Se doping, and the crystal structure has been refined for various compositions. The systematic investigation of magnetic and superconducting properties…

Superconductivity · Physics 2015-05-14 R. Viennois , E. Giannini , D. van der Marel , R. Cerny

The crystal structure of the superconductor FeSe0.44Te0.56 was redetermined by high-resolution X-ray single crystal diffraction at 173 K (anti-PbO-type, P4/nmm, a=3.7996(2), c=5.9895(6) A, R1=0.022, wR2=0.041, 173 F^2). Significantly…

Superconductivity · Physics 2010-02-24 Marcus Tegel , Catrin Loehnert , Dirk Johrendt

Transition metal dichalcogenides (TMDs) usually show simple structures, however, with interesting properties. Recently some TMDs have been pointed out as type-II Dirac semimetals. In the present work, we investigate the physical properties…

The superconductor Sn_{1-x}In_{x}Te is a doped topological crystalline insulator and has become important as a candidate topological superconductor, but its superconducting phase diagram is poorly understood. By measuring about 50 samples…

Superconductivity · Physics 2015-06-17 Mario Novak , Satoshi Sasaki , Markus Kriener , Kouji Segawa , Yoichi Ando

Here we report a systematic investigation on the evolution of the structural and physical properties, including the charge density wave and superconductivity of the polycrystalline CuIr2Te4-xIx. X-ray diffraction results indicate that both…

Unconventional superconductivity in the Chevrel phase offers a wide structural aspect to understand the superconducting ground state. A detailed investigation on the superconducting properties of Re based pseudobinary telluride Chevrel…

Superconductivity · Physics 2022-10-19 A. Kataria , T. Agarwal , S. Sharma , A. Ali , R. S. Singh , R. P. Singh

We report superconductivity, physical and structural properties of Ir1-xRhxTe2 (0<=x<=0.3). Superconducting transition with maximum Tc~2.6 K appears when the doping content of Rh x is in between 0.15 and 0.3. Further increasing the content…

Superconductivity · Physics 2013-07-29 Hechang Lei , Kefeng Wang , Milinda Abeykoon , Emil Bozin , J. B. Warren , C. Petrovic
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