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We report on synthesis of single crystals of BaFe2Se3 and study of their crystal and magnetic structures by means of synchrotron single crystal X-ray and neutron powder diffraction. The crystal structure has orthorhombic symmetry and…

We report the crystal growth and structural, magnetic, conductivity, and specific heat investigations of Rb(1-x)Fe(2-y)Se2 single crystals with varying stoichiometry prepared by self-flux and Bridgman methods. The system exhibits a strongly…

Superconductivity · Physics 2011-11-01 V. Tsurkan , J. Deisenhofer , A. Günther , H. -A. Krug von Nidda , S. Widmann , A. Loidl

We have obtained isofield curves for the square root of the average kinetic energy density of the superconducting state for three single crystals of underdoped YBa_2Cu_3O_{7-x}, an optimally doped single crystal of…

Superconductivity · Physics 2009-11-13 S. Salem-Sugui , M. M. Doria , A. D. Alvarenga , V. N. Vieira , P. F. Farinas , J. P. Sinnecker

We studied the effect of hydrostatic pressure (P) on the structural phase transitions and superconductivity in the ternary and pseudo-ternary iron arsenides CaFe2As2, BaFe2As2, and (Ba0.55K0.45)Fe2As2, by means of measurements of electrical…

Superconductivity · Physics 2015-05-13 M. S. Torikachvili , S. L. Budko , Ni Ni , P. C. Canfield

Single crystals of In-doped PbBi2Te4 are synthesized via a conventional solid-state method. Chemical analysis and hall measurements indicate that In replaces Pb, introducing n-type carriers, creating Pb1-xInxBi2Te4. A superconducting…

Superconductivity · Physics 2023-08-25 Xianghan Xu , Danrui Ni , Weiwei Xie , R. J. Cava

We report the crystal growth of a new hole-doped iron-based superconductor Ba(Fe$_{0.875}$Ti$_{0.125}$)$_2$As$_2$ by substituting Ti on the Fe site. The crystals are accidentally obtained in trying to grow Ni doped…

Superconductivity · Physics 2026-01-22 Yi-Li Sun , Ze-Zhong Li , Yang Li , Hong-Lin Zhou , Amit Pokhriyal , Haranath Ghosh , Shi-Liang Li , Hui-Qian Luo

Topological superconductivity is an exotic quantum phenomenon with coupled nontrivial topological order and superconductivity together. A direct idea for producing topological superconductors is to create superconductivity based on the well…

Superconductivity · Physics 2022-08-23 Hao Yu , Noah F. Q. Yuan , Wei-Jian Li , Liu-Cheng Chen , Zi-Yu Cao , Di Li , Xiaoying Qin , Chang-De Gong , Xiao-Jia Chen

Superconducting SrTiO_{3-\delta} was obtained by annealing single crystalline SrTiO_3 samples in ultra high vacuum. An analysis of the V(I) characteristics revealed very small critical currents I_c which can be traced back to a unavoidable…

Superconductivity · Physics 2009-11-07 M. Jourdan , N. Blümer , H. Adrian

A variety of unconventional superconductors have low carrier density as a common factor. However, the underlying mechanism of superconductivity in such low carrier density systems is not well understood. Besides, small carrier density is an…

Superconductivity · Physics 2015-06-23 Om Prakash , A. Thamizhavel , S. Ramakrishnan

The recent discovery of superconductivity at 190~K in highly compressed H$_{2}$S is spectacular not only because it sets a record high critical temperature, but because it does so in a material that appears to be, and we argue here that it…

Superconductivity · Physics 2015-03-05 N. Bernstein , C. S. Hellberg , M. D. Johannes , I. I. Mazin , M. J. Mehl

We report superconductivity at 1.4K in the ternary SrPt$_{10}$P$_4$ with a complex new structure. SrPt$_{10}$P$_4$ crystallizes in a monoclinic space-group C2/c (\#15) with lattice parameters a= 22.9151(9)$\AA$, b= 13.1664(5)$\AA$,…

Superconductivity · Physics 2017-12-07 Bing Lv , BenMaan I. Jawdat , Zheng Wu , Sheng Li , Ching-Wu Chu

Single crystals of KOs2O6 have been grown in a sealed quartz ampoule. Detailed single crystal X-ray diffraction studies at room temperature show Bragg peaks that violate Fd-3m symmetry. With a comparative structure refinement the structure…

Superconductivity · Physics 2009-11-11 G. Schuck , S. M. Kazakov , K. Rogacki , N. D. Zhigadlo , J. Karpinski

Through advanced experimental techniques on CrI$_{3}$ single crystals, we derive a previously not discussed pressure-temperature phase diagram. We find that $T_{c}$ increases to $\sim$ 66\,K with pressure up to $\sim$ 3\,GPa followed by a…

Single crystals of BaFe$_2$As$_2$ and (Ba$_{0.55}$K$_{0.45}$)Fe$_2$As$_2$ have been grown out of excess Sn with 1% or less incorporation of solvent. The crystals are exceptionally micaceous, are easily exfoliated and can have dimensions as…

This article reports the synthesis of a single crystalline mixed topological insulator (TI) BiSbTe$_3$ and its detailed structural and magneto-transport properties. The single crystalline samples of BiSbTe$_3$ are grown by the melt-growth…

Materials Science · Physics 2025-06-02 Dinesh Kumar , Kapil Kumar , N. K. Karn , Ganesh Gurjar , V. P. S. Awana , Sudesh

Based on a combination of X-ray diffraction, electrical transports, magnetic susceptibility, specific heat and pressure effect measurements, we report a series of BiS$_{2}$-based Sr$_{1-x}$Pr$_{x}$FBiS$_{2}$ superconductors with the maximum…

Superconductivity · Physics 2019-11-19 Wei You , Lin Li , Haiyang Yang , Jialu Wang , Hongying Mao , Li Zhang , Chuanying Xi , Jie Cheng , Yongkang Luo , Jianhui Dai , Yuke Li

Here we report the growth of sub-millimeter MgB2 single crystals of various shapes under high pressure in Mg-B-N system. Structure refinement using a single-crystal X-ray diffraction analysis gives lattice parameters a=3.0851(5) A and…

Superconductivity · Physics 2009-11-07 S. Lee , H. Mori , T. Masui , Yu. Eltsev , A. Yamamoto , S. Tajima

We investigate the electronic properties and the superconducting gap characteristics of a single crystal of hole-doped 122 Fe-pnictide Ba$_{0.65}$Na$_{0.35}$Fe$_2$As$_2$ by means of specific heat measurements. The specific heat exhibits a…

Superconductivity · Physics 2011-08-29 A. K. Pramanik , M. Abdel-Hafiez , S. Aswartham , A. U. B. Wolter , S. Wurmehl , V. Kataev , B. Büchner

We present a two-step technique for the synthesis of superconducting CuxBi2Se3. Cu0.15Bi2Se3 single crystals were synthesized using the melt-growth method. Although these samples are non-superconducting, they can be employed to generate…

Superconductivity · Physics 2016-03-08 Meng Wang , Yanru Song , Lixing You , Zhuojun Li , Bo Gao , Xiaoming Xie , Mianheng Jiang

We present high-pressure electrical transport measurements on the newly discovered V-based superconductors $A$V$_3$Sb$_5$ ($A$ = Rb and K), which have an ideal Kagome lattice of vanadium. Two superconducting domes under pressure are…

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