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相关论文: Single step synthesis of Sr4V2O6Fe2As2: The blocki…

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We report appearance of superconductivity in CeO0.5F0.5BiS2. The bulk polycrystalline samples CeOBiS2 and CeO0.5F0.5BiS2 are synthesized by conventional solid state reaction route via vacuum encapsulation technique. Detailed structural…

超导电性 · 物理学 2014-01-21 Rajveer Jha , V. P. S. Awana

Superconductors comprising 5d transition metals of Ir and Pt have been widely explored because they have the potential of unique superconductivity caused by the strong spin-orbit interaction (SOI). We successfully synthesized BaIr2, the…

The Phase diagram of SmFeAsO1-xFx in terms of x is exhibited in this study. SmFeAsO1-xFx from x = 0 to x = 0.3 were prepared by low temperature sintering with slow cooling. The low temperature sintering suppresses the formation of the…

The magnetic, thermal and transport properties of Na0.75CoO2 single crystals grown by the floating zone (FZ) method are reported. Magnetic susceptibility, resistivity, magnetoresistance, and heat capacity data from these crystals indicate a…

强关联电子 · 物理学 2007-05-23 B. C. Sales , R. Jin , K. A. Affholter , P. Khalifah , G. M. Veith , D. Mandrus

Single crystals of a new layered compound, Cr1.21Te2, was synthesized via a vapor transport method. The crystal structure and physical properties were characterized by single crystal and powder x-ray diffraction, temperature- and…

材料科学 · 物理学 2023-04-13 Zhixue Shu , Haozhe Wang , Na Hyun Jo , Chris Jozwiak , Aaron Bostwick , Eli Rotenberg , Weiwei Xie , Tai Kong

Recent high-pressure studies found that superconductivity can be achieved under very low pressure in the parent iron arsenide compound CaFe2As2, although details of the sharpness and temperature of transitions vary between liquid medium and…

超导电性 · 物理学 2009-11-13 W. Yu , A. A. Aczel , T. J. Williams , S. L. Bud'ko , N. Ni , P. C. Canfield , G. M. Luke

Superconductors based on transition metal dichalcogenides are of substantial current relevance, towards attaining topological superconductivity. Here we report a detailed study on the synthesis and electromagnetic characterization of…

超导电性 · 物理学 2023-08-11 K. Yadav , M. Lamba , M. Singh , A. Kumar , S. Patnaik

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…

超导电性 · 物理学 2009-06-19 K. Ahilan , F. L. Ning , T. Imai , A. S. Sefat , M. A. McGuire , B. C. Sales , D. Mandrus

{\ss}-pyrochore KOs2O6, which shows superconductivity below ~ 9.7K, has been converted into KxOs2O6 (x < 2/3 - 1/2) electrochemically to show spin glass-like behavior below ~ 6.1K. Room temperature sample surface potential versus charge…

超导电性 · 物理学 2015-05-27 C. C. Lee , W. L. Lee , J. -Y. Lin , C. C. Tsuei , J. G. Lin , F. C. Chou

We report superconductivity in the SmFe0.9Co0.1AsO system being prepared by most easy and versatile single step solid-state reaction route. The parent compound SmFeAsO is non-superconducting but shows the spin density wave (SDW) like…

超导电性 · 物理学 2012-01-23 V. P. S. Awana , Arpita Vajpayee , Anand Pal , Monika Mudgel , R. S. Meena , H. Kishan

In this article we review our studies of the K0.80Fe1.76Se2 superconductor, with an attempt to elucidate the crystal growth details and basic physical properties over a wide range of temperatures and applied magnetic field, including…

Low-temperature synthesis is a promising and potentially effective method for improving superconducting properties. We report on the fabrication of polycrystalline samples of SmFeAsO1-xFx with nominal x content varying in a wide range of x…

超导电性 · 物理学 2013-03-19 S. J. Singh , J. Shimoyama , A. Yamamoto , H. Ogino , K. Kishio

Single-layer superconductors are ideal materials for fabricating superconducting nano devices. However, up to date, very few single-layer elemental superconductors have been predicted and especially no one has been successfully synthesized…

材料科学 · 物理学 2019-08-06 Qinyan Gu , Dingyu Xing , Jian Sun

Single crystalline FeTe$_{0.61}$Se$_{0.39}$ with a sharp superconducting transition at $T_{\textrm{c}} \sim$ 14 K is synthesized via slow furnace cooling followed by low-temperature annealing. The effect of annealing on the chemical and…

超导电性 · 物理学 2015-05-13 T. Taen , Y. Tsuchiya , Y. Nakajima , T. Tamegai

We have discovered that samples of a new material produced by special processing of crystals of Sr2RuO4 (which is known to be a triplet superconductor with Tc values ~1.0-1.5K) exhibit signatures of superconductivity (zero DC resistance and…

The recent claim of potential room-temperature superconductivity in Pb$_{10-x}$Cu$_{x}$(PO$_{4}$)$_{6}$O has attracted widespread attention. However, the signature of superconductivity is later attributed to the Cu$_{2}$S impurity formed…

超导电性 · 物理学 2024-09-12 W. Z. Yang , Z. H. Pang , Z. Ren

A new layered oxypnictide (Fe2P2)(Sr4Sc2O6) have been synthesized by solid-state reaction. This material has an alternating layer stacking structure of anti-fluorite Fe2P2 and perovskite-based Sr4Sc2O6 oxide layers. Space group of the…

超导电性 · 物理学 2009-06-06 H. Ogino , Y. Matsumura , Y. Katsura , K. Ushiyama , S. Horii , K. Kishio , J. Shimoyama

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…

By using the arc-melting method, we successfully synthesized the compound Sc$_{0.5}$Zr$_{0.5}$Co with the space group of $Pm$-$3m$. Both the resistivity and magnetic susceptibility measurements reveal a phase transition at about 86 K. This…

材料科学 · 物理学 2020-07-06 Jin Si , Xinwei Fan , Enyu Wang , Xiyu Zhu , Qing Li , Hai-Hu Wen

High-pressure electrical resistance measurements have been performed on single crystal Ba0.5Sr0.5Fe2As2 platelets to pressures of 16 GPa and temperatures down to 10 K using designer diamond anvils under quasi-hydrostatic conditions with an…