English
Related papers

Related papers: Single crystal growth and optical conductivity of …

200 papers

Single crystals of SrFe2-xPtxAs2 (0 < x < 0.36) were grown using the self flux solution method and characterized using x-ray crystallography, electrical transport, magnetic susceptibility, and specific heat measurements. The…

Superconductivity · Physics 2010-10-21 Kevin Kirshenbaum , Shanta R. Saha , Tyler Drye , Johnpierre Paglione

We successfully synthesized the BaPt$_2$As$_2$ single crystals and studied their structural and physical properties at low temperatures. BaPt$_2$As$_2$ crystallizes in the CaBe$_2$Ge$_2$-type tetragonal structure (P4/nmm) at room…

Superconductivity · Physics 2015-06-23 W. B. Jiang , C. Y. Guo , Z. F. Weng , Y. F. Wang , Y. H. Chen , Y. Chen , G. M. Pang , T. Shang , X. Lu , H. Q. Yuan

We measured resistivity and specific heat of high-quality CsFe$_2$As$_2$ single crystals, which were grown by using a self-flux method. The CsFe$_2$As$_2$ crystal shows sharp superconducting transition at 1.8 K with the transition width of…

Superconductivity · Physics 2013-06-17 A. F. Wang , B. Y. Pan , X. G. Luo , F. Chen , Y. J. Yan , J. J. Ying , G. J. Ye , P. Cheng , X. C. Hong , S. Y. Li , X. H. Chen

Heat capacity, magnetic susceptibility, NMR, and resistivity of SrNi2P2 single crystals are presented, illustrating a purely structural transition at 325 K with no magnetism. Bulk superconductivity is found at 1.4 K. The magnitude of the…

Superconductivity · Physics 2009-04-13 F. Ronning , E. D. Bauer , T. Park , S. -H Baek , H. Sakai , J. D. Thompson

The single crystal growth and superconducting properties of PbTaSe2 with non-centrosymmetric crystal structure is reported. Using the chemical vapor transport (CVT) technique, PbTaSe2 crystallizes in a layered structure and the crystal…

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

Plate-like single crystals of SrFe2As2 as large as 3x3x0.5 mm3 have been grown out of Sn flux. The SrFe2As2 single crystals show a structural phase transition from a high temperature tetragonal phase to a low temperature orthorhombic phase…

The effects of pressure up to $\sim 20$ kbar, on the structural phase transition of SrFe$_2$As$_2$ and lightly Sn-doped BaFe$_2$As$_2$, as well as on the superconducting transition temperature and upper critical field of…

Superconductivity · Physics 2009-11-13 M. S. Torikachvili , S. L. Bud'ko , N. Ni , P. C. Canfield

We report superconductivity in single crystals of the new iron-pnictide system BaFe1.9Pt0.1As2 grown by a self-flux solution method and characterized via x-ray, transport, magnetic and thermodynamic measurements. The magnetic ordering…

Superconductivity · Physics 2010-02-04 S. R. Saha , T. Drye , K. Kirshenbaum , N. P. Butch , P. Y. Zavalij , Johnpierre Paglione

Single crystals of A$_{1-x}$K$_x$Fe$_2$As$_2$ (A=Ba, Sr) with high quality have been grown successfully by FeAs self-flux method. The samples have sizes up to 4 mm with flat and shiny surfaces. The X-ray diffraction patterns suggest that…

Superconductivity · Physics 2009-11-13 Huiqian Luo , Zhaosheng Wang , Huan Yang , Peng Cheng , Xiyu Zhu , Hai-Hu Wen

We studied the correlation among structure and transport properties and superconductivity in the different $A_x$Fe$_2$Se$_2$ single crystals ($A$ = K, Rb, and Cs). Two sets of (00$l$) reflections are observed in the X-ray single crystal…

Superconductivity · Physics 2011-07-26 X. G. Luo , X. F. Wang , J. J. Ying , Y. J. Yan , Z. Y. Li , M. Zhang , A. F. Wang , P. Cheng , Z. J. Xiang , G. J. Ye , R. H. Liu , X. H. Chen

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…

We report on temperature dependent scanning tunneling microscopy and spectroscopy studies of undoped SrFe$_{2}$As$_{2}$ single crystals from 6 K to 292 K. Resistivity data show spin density wave (SDW) transition at T$_{SDW}$ $\approx$ 205 K…

Strongly Correlated Electrons · Physics 2016-04-20 Anirban Dutta , Neeraj Kumar , A. Thamizhavel , Anjan K. Gupta

The synthesis and crystallography, magnetic susceptibility chi, magnetization M, specific heat Cp, in-plane electrical resistivity rho and in-plane magnetic penetration depth measurements are reported for single crystals of APd2As2 (A = Ca,…

Superconductivity · Physics 2013-06-21 V. K. Anand , H. Kim , M. A. Tanatar , R. Prozorov , D. C. Johnston

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,…

The evolution of pressure induced superconductivity in single crystal as well as polycrystalline samples of BaFe2As2 has been investigated through temperature dependent electrical resistivity studies in 0-7 GPa pressure range. While the…

Superconductivity · Physics 2015-05-13 Awadhesh Mani , Nilotpal Ghosh , S. Paulraj , A. Bharathi , C. S. Sundar

The temperature dependence of the ac susceptibility for single-crystalline Fe1.02Se has been measured at high pressures to 6.7 GPa. The superconducting transition temperature Tc displays a large increase from 7 K to 30 K in the two-phase…

Superconductivity · Physics 2013-05-29 V. G. Tissen , E. G. Ponyatovskii , M. V. Nefedova , A. N. Titov , V. V. Fedorenko

Among the family of TMDs, ReS2 takes a special position, which crystalizes in a unique distorted low-symmetry structure at ambient conditions. The interlayer interaction in ReS2 is rather weak, thus its bulk properties are similar to that…

The newly discovered BaPt$_2$As$_2$ shows a structural distortion at around 275~K, followed by the emergence of superconductivity at lower temperatures. Here we identify the presence of charge density wave (CDW) order at room temperature…

Superconductivity · Physics 2016-11-18 C. Y. Guo , W. B. Jiang , M. Smidman , F. Han , C. D. Malliakas , B. Shen , Y. F. Wang , Y. Chen , X. Lu , M. G. Kanatzidis , H. Q. Yuan

We report the structural, magnetic and electronic transport properties of SrFe$_{2-x}$Cu$_x$As$_2$ single crystals grown by self-flux technique. SrCu$_2$As$_2$ and SrFe$_2$As$_2$ both crystallize in ThCr$_2$Si$_2$-type (122-type) structure…

Strongly Correlated Electrons · Physics 2012-12-04 Y. J. Yan , P. Cheng , J. J. Ying , X. G. Luo , F. Chen , H. Y. Zou , A. F. Wang , G. J. Ye , Z. J. Xiang , J. Q. Ma , X. H. Chen
‹ Prev 1 2 3 10 Next ›