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Related papers: Pressure-induced superconductivity in SnSb2Te4

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We report comprehensive resistivity measurements of single crystalline samples of the Ba(Fe(1-x)Co(x))2As2 high Tc superconductor under hydrostatic pressure up to 2.75 GPa and over a broad concentration range, 0 < x < 0.099. We show that…

Superconductivity · Physics 2009-06-19 K. Ahilan , F. L. Ning , T. Imai , A. S. Sefat , M. A. McGuire , B. C. Sales , D. Mandrus

Superatomic crystal is a class of hierarchical materials composed of atomically precise clusters assembled via van der Waals or covalent-like interactions. AuTe$_2$Se$_{4/3}$, an all-inorganic superatomic superconductor exhibiting…

Intrinsic magnetic topological insulators provide an ideal platform to achieve various exciting physical phenomena. However, this kind of materials and related research are still very rare. In this work, we reported the electronic and…

The crystal structure, superconducting properties, and electronic structure of a novel superconducting 122-type antimonide, BaPt$_2$Sb$_2$, have been investigated by measurements of powder X-ray diffraction patterns, electrical resistivity,…

We present measurements of the superconducting and charge density wave critical temperatures (Tc and TCDW) as a function of pressure in the transition metal dichalchogenides 2H-TaSe2 and 2H-TaS2. Resistance and susceptibility measurements…

DyRh4B4 has been known to crystallize in the primitive tetragonal (pt)-structure and to exhibit a ferromagnetic transition at 12 K, the highest magnetic transition temperature in the entire series of the RRh4B4 materials [1]. We show here…

Superconductivity · Physics 2009-06-13 A. Köhler , G. Behr , G. Fuchs , K. Nenkov , L. C. Gupta

We have performed several high pressure electrical resistance experiments on Bi1.98Sr2.06Y0.68Cu2O8, an insulating parent compound of the high-Tc Bi2212 family of copper oxide superconductors. We find a resistive anomaly, a downturn at low…

Superconductivity · Physics 2015-05-18 T. Cuk , D. A. Zocco , H. Eisaki , V. Struzhkin , M. Grosche , M. B. Maple , Z. -X. Shen

The pressure dependence, up to 11.3 kbar, of basic parameters of the superconducting state, such as the critical temperature (Tc), the lower and the upper critical fields, the coherence length, the penetration depth, and their anisotropy,…

Superconductivity · Physics 2016-11-11 J Pietosa , D J Gawryluk , R Puzniak , A Wisniewski , J Fink-Finowicki , M Kozlowski , M Berkowski

Previous investigations of 4$H_b$-TaS$_{2-2x}$Se$_{2x}$ mainly focused on the direct competition between superconductivity and charge density wave (CDW). However, the superconductivity itself, although has been prominently enhanced by…

Superconductivity · Physics 2023-04-11 Zhenkai Xie , Meng Yang , Zhigang Cheng , Tianping Ying , Jian-Gang Guo , Xiaolong Chen

All the iron-based superconductors identified to date share a square lattice composed of Fe atoms as a common feature, despite having different crystal structures. In copper-based materials, the superconducting phase emerges not only in…

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

We propose SnBi2Te4 to be a novel candidate material exhibiting temperature (T) mediated transitions between rich topological phases. From a combined theoretical and experimental studies, we find that SnBi2Te4 goes from a low-T topological…

Strongly Correlated Electrons · Physics 2024-08-28 T. K. Dalui , B. Das , C. K. Barman , P. K. Ghose , A. Sarma , S. K. Mahatha , F. Diekmann , K. Rossnagel , S. Majumdar , A. Alam , S. Giri

High pressure in-situ synchrotron X-ray diffraction experiments were performed on Ag2Te up to 42.6 GPa at room temperature and four phases were identified. Phase I ({\beta}-Ag2Te) transformed into phase II at 2.4 GPa, and phase III and…

Materials Science · Physics 2015-05-01 Zhao Zhao , Shibing Wang , Haijun Zhang , Wendy L. Mao

We investigate the pressure and temperature dependence of the lattice dynamics of the underdoped, stoichiometric, high temperature superconductor YBa2Cu4O8 by means of Raman spectroscopy and ab initio calculations. This system undergoes a…

Superconductivity · Physics 2016-11-04 S. M. Souliou , A. Subedi , Y. T. Song , C. T. Lin , K. Syassen , B. Keimer , M. Le Tacon

A diamond anvil cell (DAC) which can generate extremely high pressure of multi-megabar is promising tool to develop a further physics such a high-transition temperature superconductivity. However, electrical transport measurements, which is…

Phase transitions in metal halide perovskites triggered by external provocations produce significantly different material properties, providing a prodigious opportunity for a comprehensive applications. In the present study, the first…

Materials with graphene-like layers attract tremendous attention due to their electronic structures and superconducting properties. In this study, we synthesized LaP2 polycrystalline and observed a superconducting transition around 30 GPa.…

Superconductivity · Physics 2025-11-18 Mingxin Zhang , Cuiying Pei , Bangshuai Zhu , Qi Wang , Juefei Wu , Yanpeng Qi

Superconducting single crystals of SmFeAsO$_{1-x}$ without fluorine doping were grown at a pressure of 3.3 GPa and a temperature of 1350-1450 $^\circ$C by using the self-flux method. Plate-like single crystals of a few-150 $\mu$m in their…

Topological transition metal dichalcogenides (TMDCs) have attracted much attention due to its potential applications in spintronics and quantum computations. In this work, we systematically investigate the structural and electronic…

Niobium polyhydride was synthesized at high pressure and high temperature conditions by using diamond anvil cell combined with in situ high pressure laser heating techniques. High pressure electric transport experiments demonstrate that…