English
Related papers

Related papers: Weak ferromagnetism in non-centrosymmetric BiPd 4K…

200 papers

We investigated transport and magnetic properties of NdFeAsO$_{0.9}$F$_{0.1}$ single crystal under hydrostatic pressures up to 50\,GPa. The ambient pressure superconductivity at $T_{c} \sim$ 45.4\,K is fully suppressed at $P_{c} \sim$ 21…

Superconductivity · Physics 2018-09-12 Mahmoud Abdel-Hafiez , M. Mito , K. Shibayama , S. Takagi , M. Ishizuka , A. N. Vasiliev , C. Krellner , H. K. Mao

The observance of vortex and anti-vortex effects in bulk crystals can prove the existence of phase-disordered superconductivity in the bulk. To gain insights into the mechanisms that govern superconducting transition in copper oxide…

We synthesized the ferromagnetic EuAgP semiconductor and conducted a comprehensive study of its crystalline, magnetic, heat capacity, band gap, and magnetoresistance properties. Our investigation utilized a combination of X-ray diffraction,…

Strongly Correlated Electrons · Physics 2024-09-04 Qian Zhao , Kaitong Sun , Si Wu , Hai-Feng Li

By using high pressure and high temperature (3.7 GPa, 1120 $^{\circ}$C) synthesis technique, we have grown (Cu,C)Ba$_2$Ca$_3$Cu$_4$O$_{11+\delta}$ single crystals. X-ray diffraction, scanning electron microscopy, resistivity and…

Superconductivity · Physics 2022-01-05 Chengping He , Xue Ming , Jin Si , Xiyu Zhu , Jinhua Wang , Hai-Hu Wen

The thermoelectric properties between 10 and 300 K and the growth of single crystals of n-type and p-type GeBi4Te7, GeSb4Te7, and the Ge(Bi1-xSbx)4Te7 solid solution are reported. Single crystals were grown by the modified Bridgman method,…

Materials Science · Physics 2013-01-28 Fabian von Rohr , Andreas Schilling , Robert J. Cava

We report the magnetization, specific heat and transport measurements of high quality Na$_{0.85}$CoO$_2$ single crystals in applied magnetic fields up to 14T. In high temperatures, the system is in a paramagnetic phase. It undergoes a…

Superconductivity · Physics 2009-11-10 J. L. Luo , N. L. Wang , G. T. Liu , D. Wu , X. N. Jing , F. Hu , T. Xiang

The transport properties of superconducting single crystal Pb nanowires of 55 nm and 70 nm diameter are studied by standard four electrodes method. Resistance-temperature (R-T) scans and magneto-resistance (R-H) measurements show a series…

Mesoscale and Nanoscale Physics · Physics 2012-07-26 Jian Wang , Yi Sun , Mingliang Tian , Bangzhi Liu , Meenakshi Singh , Moses H. W. Chan

The magnetic flux structure in the basal plane, (001), of single crystals of superconducting (R = Er) and non-superconducting (R = Tb) RNi$_2$B$_2$C was studied by high resolution Bitter decoration at temperatures below $T_c$…

Superconductivity · Physics 2009-11-13 I. S. Veschunov , L. Ya. Vinnikov , S. L. Bud'ko , P. C. Canfield

We scrutinize the enhanced superconducting performance of melt quench Bismuth based Bi2Sr2CaCu2O8 (Bi-2212) superconductor. The superconducting properties of melt quenched Bi-2212 (Bi2212-MQ) sample are compared with non-melted Bi2212-NM…

Superconductivity · Physics 2013-07-18 Jagdish Kumar , Devina Sharma , P. K. Ahluwalia , V. P. S. Awana

The influence of the hydrostatic pressure P up to 0.95 GPa on the excess conductivity and the pseudogap {\Delta}*(T) in optimally doped YBCO single crystals (T_c = 91.1K at ambient pressure) is investigated by electrical resistivity…

Single crystals of $R$Cd$_{3}$P$_{3}$ ($R$ = La and Ce) have been investigated by magnetization, electrical resistivity, Hall coefficient, and specific heat. Magnetization measurements of CeCd$_{3}$P$_{3}$ demonstrate clear quasi-2D…

Strongly Correlated Electrons · Physics 2022-06-14 Jeonghun Lee , Anja Rabus , N. R. Lee-Hone , D. M. Broun , Eundeok Mun

The crystal structure and superconductivity of hexagonal BaPtAs are reported. Single-crystal X-ray diffraction, magnetization, electrical resistivity, and specific heat measurements were performed in this study. Two hexagonal structures…

We report the successful growth of high quality single crystals of LiFeAs with lateral sizes up to 5 x 5 mm2 by the Sn-flux method. Electrical resistivity studies reveal that the superconducting onset temperature is 18.2 K with a transition…

Superconductivity · Physics 2010-10-20 Bumsung Lee , Seunghyun Khim , Jung Soo Kim , G. R. Stewart , Kee Hoon Kim

The combination with superconductivity and topological nontrivial band structure provides a promising route towards novel quantum states such as topological superconductivity. Here, we report the first observation of superconductivity (4.1…

High resolution measurements of the dynamic magnetic susceptibility are reported for ferromagnetic re-entrant superconductor, ErRh$_{4}$B$_{4}$. Detailed investigation of the coexisting regime reveals unusual temperature-asymmetric and…

Strongly Correlated Electrons · Physics 2009-02-02 Ruslan Prozorov , Matthew D. Vannette , Stephanie A. Law , Sergey L. Bud'ko , Paul C. Canfield

Herein, we report the discovery of a novel Gd-based magnetic compound GdPt$_2$B with a chiral crystal structure. X-ray diffraction and chemical composition analyses reveal a CePt$_2$B-type crystal structure (space group: $P6_422$) for…

Materials Science · Physics 2022-11-04 Yoshiki J. Sato , Hikari Manako , Yoshiya Homma , Dexin Li , Ryuji Okazaki , Dai Aoki

Critical temperature Tc of the Li2(Pd1-xPtx)3B was reported to be 7-8K for x=0 and 2.2-2.8K for x=1. In this article we present our preliminary results on behavior of magnetization-temperature curves with starting composition of Pd-B…

Superconductivity · Physics 2009-11-11 P. Badica , K. Togano , H. Takeya , K. Hirata , S. Awaji , K. Watanabe

We demonstrate the presence of ferromagnetic (FM) fluctuations in the superconducting and non-superconducting heavily overdoped regimes of high-temperature superconducting copper oxides, using (Bi,Pb)_2_Sr_2_CuO_6+delta_ (Bi-2201) single…

Resistance measurements on single crystals of CaK(Fe$_{1-x}$Mn$_x$)$_4$As$_4$ ($x$ = 0.024) were performed under hydrostatic pressure up to 5.15 GPa. The pressure dependence of the magnetic and superconducting transition temperatures and…

Superconductivity · Physics 2022-10-19 Li Xiang , Mingyu Xu , Sergey L. Bud'ko , Paul C. Canfield

In the present work, we report the synthesis of Pb-Bi alloy with enhanced Tc of up to 9K, which is higher than that of Pb. The alloy is synthesized via a solid-state reaction route in the vacuum-encapsulated quartz tube at 7000C in an…

Superconductivity · Physics 2024-07-02 N. K. Karn , Kapil Kumar , Naveen Kumar , Yogesh Kumar , M. M. Sharma , Jin Hu , V. P. S. Awana
‹ Prev 1 8 9 10 Next ›