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Single crystal of Cu0.03TaS2 with low copper intercalated content was successfully grown via chemical iodine-vapor transport. The structural characterization results show that the copper intercalated 2H-Cu0.03TaS2 single crystal has the…

Superconductivity · Physics 2009-11-13 X. D. Zhu , Y. P. Sun , X. B. Zhu , X. Luo , B. S. Wang , G. Li , Z. R. Yang , W. H. Song , J. M. Dai

Superconducting whisker like and bulk single crystals of PrFeAs(O,F) were grown at 3 GPa and 1500 C from NaAs flux using the cubic anvil high pressure and high temperature technique. The ribbon shaped whisker like crystals were 400-1300…

Superconductivity · Physics 2013-11-08 N. D. Zhigadlo

We report crystal growth and below 2.5K superconductivity of Nb0.25Bi2Se3. These crystals are grown by self flux method. The X-ray diffraction (XRD) pattern of as grown crystal flake shows (00l) plane (c-orientation) growth. The Rietveld…

Superconductivity · Physics 2019-11-20 M. M. Sharma , P. Rani , Lina Sang , X. L. Wang , V. P. S. Awana

Single crystals of undoped CaFe2As2 were grown by a FeAs self-flux method, and the crystals were quenched in ice-water rapidly after high temperature growth. The quenched crystal undergoes a collapsed tetragonal structural phase transition…

Superconductivity · Physics 2017-08-22 Dong-Yun Chen , Jia Yu , Bin-Bin Ruan , Qi Guo , Lei Zhang , Qing-Ge Mu , Xiao-Chuan Wang , Bo-Jin Pan , Gen-Fu Chen , Zhi-An Ren

Here we report the preparation and superconductivity of the 133-type Cr-based quasi-one-dimensional (Q1D) RbCr3As3 single crystals. The samples were prepared by the deintercalation of Rb+ ions from the 233-type Rb2Cr3As3 crystals which were…

Superconductivity · Physics 2018-01-16 Tong Liu , Qing-Ge Mu , Bo-Jin Pan , Jia Yu , Bin-Bin Ruan , Kang Zhao , Gen-Fu Chen , Zhi-An Ren

To investigate the origin of the enhanced Tc ({\approx} 110 K) of the trilayer cuprate superconductor Bi2Sr2Ca2Cu3O10+{\delta} (Bi-2223), its underdoped single crystals are a critical requirement. Here, we demonstrate the first successful…

F-doped LaOBiSe$_{2}$ superconducting single crystals with typical size of 2$\times$4$\times$0.2 mm$^{3}$ are successfully grown by flux method and the superconducting properties are studied. Both the superconducting transition temperature…

Superconductivity · Physics 2014-08-12 Jifeng Shao , Zhongheng Liu , Xiong Yao , Lei Zhang , Li Pi , Shun Tan , Changjin Zhang , Yuheng Zhang

R(O,F)BiS2 (R: La, Ce, Pr, Nd) superconducting single crystals with different F concentrations are grown using a CsCl/KCl flux. The obtained 1-2 mm-sized single crystals have a plate-like shape and are cleavable along the ab-plane. The…

Superconductivity · Physics 2016-01-14 Masanori Nagao

Single crystals of Ba(Fe$_{1-x}$Ru$_x$)$_2$As$_2$, $x<0.37$, have been grown and characterized by structural, magnetic and transport measurements. These measurements show that the structural/magnetic phase transition found in pure…

Superconductivity · Physics 2015-05-19 A. Thaler , N. Ni , A. Kracher , J. Q. Yan , S. L. Bud'ko , P. C. Canfield

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

YBa2Cu3Ox, the first superconductor discovered with Tc higher than 77 K, is among the most complex cuprates having both CuO chains and plains in the structure. YBa2Cu3O7 (YBCO) exhibits slightly overdoped behavior and further doping is…

LaBaCaCu3O7 (La:1113) and NdBaCaCu3O7 (Nd:1113) compounds are synthesized by solid state reaction route. Both compounds crystallize in tetragonal structure. Four probe resistivity measurements showed that superconducting transition…

Superconductivity · Physics 2007-05-23 V. P. S. Awana , M. A. Ansari , Rashmi Nigam , Anurag Gupta , R. B. Saxena , H. Kishan

Single crystals of Ba0.6K0.4Fe2As2 with excellent quality have been successfully grown without fluxing agent through a simple one-step method for the first time. X-ray diffraction patterns demonstrate that the samples have high crystalline…

Superconductivity · Physics 2015-05-20 Chunlei Wang , Chao Yao , Lei Wang , Yanpeng Qi , Zhaoshun Gao , Dongliang Wang , Xianping Zhang , Yanwei Ma

We report anomalous features in the normal-state resistivity of single crystalline Bi_2Sr_2CaCu_2O_8 whiskers near some characteristic temperature T* \~ 250 K. From these varied oxygen-doping samples, the resistance (R) was found to deviate…

Superconductivity · Physics 2007-05-23 Weimin Chen , J. P. Franck , J. Jung

By using a hydrothermal ion-exchange method, we have successfully grown superconducting crystals of LiOHFeS with ${T_c}$ of about 2.8 K. Being different from the sister sample (Li${_{1-x}}$Fe${_x}$)OHFeSe, the energy dispersion spectrum…

Superconductivity · Physics 2016-12-13 Hai Lin , RuiZhe Kang , Lu Kong , XiYu Zhu , Hai-Hu Wen

We report self flux growth and characterization of FeTe1-xSx (x= 0.00 to 0.25) single crystal series. Surface X-ray diffraction (XRD) exhibited crystalline nature with growth in (00l) plane. Micro-structural (electron microscopy) images of…

Superconductivity · Physics 2018-09-18 P. K Maheshwar , V. Raghavendra Reddy , B. Gahtori , V. P. S. Awana

High quality Rb0.8Fe1.6+xSe2 single crystals are grown by a one step melting growth method. Superconductivity has been observed in all samples with x more than 0.05 and the maximum critical temperature Tc~32 K has been obtained in samples…

Superconductivity · Physics 2015-07-22 Zhiwei Wang , Zhen Wang , Yao Cai , Zhen Chen , Chao Ma , Huaixin Yang , Jianqi Li

In PrBa_2Cu_3O_{7-y} (Pr123) single crystals grown by the flux method the kink in the magnetic susceptibility chi_{ab}(T), connected with AFM ordering of Pr, disappears after field cooling (FC) in a field H||ab-plane whereas the kink in…

Superconductivity · Physics 2015-06-25 V. N. Narozhnyi , D. Eckert , K. A. Nenkov , G. Fuchs , K. -H. Müller , T. G. Uvarova

Single crystal of La(O,F)BiSe2 was successfully grown for the first time by the CsCl flux method. Single crystal X-ray structural analysis clearly showed that La(O,F)BiSe2 crystalizes with space group P4/nmm (lattice parameters a =…

Millimeter sized single crystals of CaFe$_{1-x}$Co$_x$AsF were grown using a self-flux method. It is found that high-quality single crystals can be grown from three approaches with different initial raw materials. The chemical compositions…

Superconductivity · Physics 2016-08-09 Yonghui Ma , Kangkang Hu , Qiucheng Ji , Bo Gao , Hui Zhang , Gang Mu , Fuqiang Huang , Xiaoming Xie