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相关论文: Superconductivity and magnetism in platinum-substi…

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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…

超导电性 · 物理学 2010-02-04 S. R. Saha , T. Drye , K. Kirshenbaum , N. P. Butch , P. Y. Zavalij , Johnpierre Paglione

We have synthesized polycrystalline samples of Pt-substituted SrFe2As2 and measured the temperature dependence of magnetization and electrical resistivity. We have observed the superconducting transition at Tc = 17 K with the maximum…

超导电性 · 物理学 2015-05-19 Yoshihiro Nishikubo , Satomi Kakiya , Masataka Danura , Kazutaka Kudo , Minoru Nohara

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…

超导电性 · 物理学 2009-04-13 F. Ronning , E. D. Bauer , T. Park , S. -H Baek , H. Sakai , J. D. Thompson

SrPt$_2$As$_2$ single crystals with CaBe$_2$Ge$_2$-type structure were synthesized by self-melting technique. X-ray diffraction, transmission electron microscopy, electrical resistivity, specific heat and optical spectroscopy measurements…

超导电性 · 物理学 2013-05-30 A. F. Fang , T. Dong , H. P. Wang , Z. G. Chen , B. Cheng , Y. G. Shi , P. Zheng , G. Xu , L. Wang , J. Q. Li , N. L. Wang

Superconductivity has been explored in single crystals of the Ni-doped FeAs-compound SrFe2-xNixAs2 grown by self-flux solution method. The antiferromagnetic order associated with the magnetostructural transition of the parent compound…

超导电性 · 物理学 2011-01-27 Shanta R. Saha , Nicholas P. Butch , Kevin Kirshenbaum , Johnpierre Paglione

The appearance of superconductivity at ambient pressures in the undoped iron pnictide parent compound SrFe2As2 is studied experimentally using several techniques and approaches to aid in understanding the nature of this phase. Low…

超导电性 · 物理学 2010-04-13 K. C. Kirshenbaum , S. R. Saha , N. P. Butch , J. D. Magill , J. Paglione

By substituting Fe with the 5d-transition metal Pt in BaFe2As2, we have successfully synthesized the superconductors BaFe2-xPtxAs2. The systematic evolution of the lattice constants indicates that the Fe ions were successfully replaced by…

超导电性 · 物理学 2015-05-18 Xiyu Zhu , Fei Han , Gang Mu , Jun Tang , Jing Ju , Katsumi Tanigaki , Hai-Hu Wen

Single crystals of SrFe2As2 grown using a self-flux solution method were characterized via x-ray, transport and magnetization studies, revealing a superconducting phase below T_c = 21 K characterized by a full electrical resistivity…

超导电性 · 物理学 2009-07-21 S. R. Saha , N. P. Butch , K. Kirshenbaum , J. Paglione

Single crystals of the Ni-doped FeAs-based superconductor SrFe2-xNixAs2 were grown using a self-flux solution method and characterized via x-ray measurements and low temperature transport, magnetization, and specific heat studies. A doping…

超导电性 · 物理学 2009-06-17 S. R. Saha , N. P. Butch , K. Kirshenbaum , Johnpierre Paglione

By using solid state reaction method, we have synthesized the Pd-doped superconductor SrFe2-xPdxAs2. The systematic evolution of the lattice constants indicated that the Fe ions were successfully replaced by the Pd. By increasing the doping…

超导电性 · 物理学 2016-06-28 Xiyu Zhu , Fei Han Peng Cheng , Bing Shen , Hai-Hu Wen

We report pressure-induced superconductivity in a single crystal of CaFe2As2. At atmospheric pressure, this material is antiferromagnetic below 170 K but under an applied pressure of 0.69 GPa becomes superconducting, with a transition…

超导电性 · 物理学 2008-07-18 Tuson Park , Eunsung Park , Hanoh Lee , T. Klimczuk , E D Bauer , F Ronning , J D Thompson

We successfully grew the high-quality single crystals of $A_{x}$Fe$_2$Se$_2$ ($A$ = K and Cs) by self-flux method. Sharp superconducting transition was observed for both types of crystals. The crystals show the onset superconducting…

超导电性 · 物理学 2011-07-07 J. J. Ying , X. F. Wang , X. G. Luo , A. F. Wang , M. Zhang , Y. J. Yan , Z. J. Xiang , R. H. Liu , P. Cheng , G. J. Ye , X. H. Chen

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…

超导电性 · 物理学 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

We report the first experimental evidence for the intimate connection between superconductivity and antiferromagnetism in Rb0.8Fe2Se2-xTex single crystal under negative chemical pressure by substituting Se with isovalent Te atoms.…

超导电性 · 物理学 2012-05-25 Dachun Gu , Liling Sun , Qi Wu , Chao Zhang , Jing Guo , Peiwen Gao , Yue Wu , Xiaoli Dong , Xi Dai , Zhongxian Zhao

Single crystals of the compound LaFePO were prepared using a flux growth technique at high temperatures. Electrical resistivity measurements reveal metallic behavior and a resistive transition to the superconducting state at a critical…

超导电性 · 物理学 2008-09-10 J. J. Hamlin , R. E. Baumbach , D. A. Zocco , T. A. Sayles , M. B. Maple

The evolution of magnetism and superconductivity in Ce$_2$Rh$_{1-x}$Pd$_x$In$_8$ solid solutions has been studied within the entire concentration range by means of thermodynamic and magnetic measurements at ambient pressure and at…

Using one-step solid state reaction method, we have successfully synthesized the superconductor SrFe1-xRuxAs. X-ray diffraction indicates that the material has formed the ThCr2Si2-type structure with a space group I4/mmm. The systematic…

超导电性 · 物理学 2015-05-13 Yanpeng Qi , Lei Wang , Zhaoshun Gao , Dongliang Wang , Xianping Zhang , Yanwei Ma

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…

超导电性 · 物理学 2013-05-29 V. G. Tissen , E. G. Ponyatovskii , M. V. Nefedova , A. N. Titov , V. V. Fedorenko

Superconductivity was discovered in a Ni0:05TaS2 single crystal. A Ni0:05TaS2 single crystal was successfully grown via the NaCl/KCl flux method. The obtained lattice constant c of Ni0:05TaS2 is 1.1999 nm, which is significantly smaller…

超导电性 · 物理学 2015-05-13 X. D. Zhu , Y. P. Sun , S. B. Zhang , H. C. Lei , X. B. Zhu , Lijun Li , Z. R. Yang , W. H. Song , J. M. Dai

The single crystal of ThCr2Si2-type BaPd2As2 was successfully prepared by a self-flux method, and the crystal structure was characterized by X-ray diffraction method with the lattice parameters a = 4.489(2) {\AA} and c = 10.322(3) {\AA}.…

超导电性 · 物理学 2016-02-17 Qi Guo , Jia Yu , Bin-Bin Ruan , Dong-Yun Chen , Xiao-Chuan Wang , Qing-Ge Mu , Bo-Jin Pan , Gen-Fu Chen , Zhi-An Ren
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