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Related papers: Paramagnetic Meissner effect in single crystal Yb(…

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The paramagnetic Meissner effect (PME) in the field cooled susceptibility has been observed in superconducting single crystals of Ba_{1-x}K_xBiO_3 using magnetometers of Quantum-Design Co.. The PME is similar to that observed in cuprates…

Superconductivity · Physics 2015-06-24 Hyun-Tak Kim , H. Minami , W. Schmidbauer , J. W. Hodby , A. Iyo , F. Iga , H. Uwe

We present here some newer characteristics pertaining to paramagnetic Meissner effect like response in a single crystal of the low Tc superconducting compound 2H-NbSe2 via a detailed study of effects of perturbation on the field-cooled…

Superconductivity · Physics 2015-02-24 Santosh Kumar , C. V. Tomy , G. Balakrishnan , D. McK Paul , A. K. Grover

Paramagnetic Meissner Effect (PME) was observed in Co/Nb/Co trilayers and multilayers. Measurements of the response to perpendicular external field near the superconducting transition temperature were carried out for various Nb thicknesses.…

Superconductivity · Physics 2007-05-23 S. F. Lee , J. J. Liang , T. M. Chuang , S. Y. Huang , J. H. Kuo , Y. D. Yao

The magnetic response related to paramagnetic Meissner effect (PME) is studied in a high quality single crystal ZrB12 with non-monotonic vortex-vortex interactions. We observe the expulsion and penetration of magnetic flux in the form of…

The superconducting transition region in a Nb disk showing the paramagnetic Meissner effect (PME) has been investigated in detail. From the field-cooled magnetization behavior, two well-defined temperatures can be associated with the…

Superconductivity · Physics 2009-10-31 L. Pust , L. E. Wenger , M. R. Koblischka

We have measured a paramagnetic Meissner effect in Nb-Al2O3-Nb Josephson junction arrays using a scanning SQUID microscope. The arrays exhibit diamagnetism for some cooling fields and paramagnetism for other cooling fields. The measured…

Temperature dependences of the magnetic moment have been measured in YBa_2Cu_3O_{7-\delta} thin films over a wide magnetic field range (5 <= H <= 10^4 Oe). In these films a paramagnetic signal known as the paramagnetic Meissner effect has…

Superconductivity · Physics 2007-05-23 D. A. Luzhbin , A. V. Pan , V. A. Komashko , V. S. Flis , V. M. Pan , S. X. Dou , P. Esquinazi

Using the non-linear Ginzburg-Landau (GL) theory, we study the magnetic response of different shaped samples in the field-cooled regime (FC). For high external magnetic fluxes, the conventional diamagnetic response under cooling down can be…

Superconductivity · Physics 2007-05-23 V. A. Schweigert , F. M. Peeters

An increase of the magnetic moment in superconductor/ferromagnet (S/F) bilayers V(40nm)/F [F$=$Fe(1,3nm), Co(3nm), Ni(3nm)] was observed using SQUID magnetometry upon cooling below the superconducting transition temperature Tc in magnetic…

We report the observation of positive magnetization on field cooling (PMFC) in low applied magnetic fields (H < 100 Oe) in a single crystal of Ca(3)Rh(4)Sn(13) near its superconducting transition temperature (T(c) approx 8.35 K). For 30 Oe…

Optimally-doped La1.85Sr0.15CuO4 single crystals have been investigated by dc and ac magnetic measurements. These crystals have rectangular needle-like shapes with the long needle axis parallel to the crystallographic c axis (c-crystal) or…

Superconductivity · Physics 2015-06-05 I. Felner , M. I. Tsindlekht , G. Drachuck , A. Keren

A hybrid system which consists of a superconducting (SC) Pb film (100 nm thickness) containing $\sim$1 vol% single domain ferromagnetic (FM) Co particles of mean-size $\sim$4.5 nm reveal unusual magnetic properties: (i) a controlled…

Superconductivity · Physics 2015-05-13 Y. T. Xing , H. Micklitz , T. G. Rappoport , E. Baggio-Saitovitch

We have explored the vortex phase diagram in a spherical single crystal of niobium (T ~ 9.3 K) via isothermal and temperature dependent dc magnetization and ac-susceptibility measurements. The crystal has extremely weak pinning that can be…

Superconductivity · Physics 2009-11-13 Pradip Das , C. V. Tomy , H. Takeya , S. Ramakrishnan , A. K. Grover

The paramagnetic Meissner effect (PME) is observed in small superconducting samples, and a number of controversial explanations of this effect are proposed, but there is as yet no clear understanding of its nature. In the present paper PME…

Superconductivity · Physics 2009-10-31 G. F. Zharkov

Temperature and field-dependent magnetization $M(H,T)$ measurements and neutron scattering study of a single crystal CeSb$_2$ are presented. Several anomalies in the magnetization curves have been confirmed at low magnetic field, i.e., 15.6…

Materials Science · Physics 2020-08-26 B. Liu , L. Wang , I. Radelytskyi , Y. Zhang , M. Meven , H. Deng , F. Zhu , Y. Su , X. Zhu , S. Tan , A. Schneidewind

We measure the resistivity and magnetic susceptibility in the temperature range from 5 K to 600 K for the single crystals $A$Fe$_{2-y}$Se$_2$ ($A$ = K$_{0.8}$, Rb$_{0.8}$, Cs$_{0.8}$, Tl$_{0.5}$K$_{0.3}$ and Tl$_{0.4}$Rb$_{0.4}$). A sharp…

Superconductivity · Physics 2015-05-27 R. H. Liu , X. G. Luo , M. Zhang , A. F. Wang , J. J. Ying , X. F. Wang , Y. J. Yan , Z. J. Xiang , P. Cheng , G. J. Ye , Z. Y. Li , X. H. Chen

The Meissner effect has been studied in Ba(Fe0.926Co0.074)2As2 and Ba0.6K0.4Fe2As2 single crystals and compared to well known, type-II superconductors LuNi2B2C and V3Si. Whereas flux penetration is mostly determined by the bulk pinning…

Superconductivity · Physics 2011-12-06 R. Prozorov , M. A. Tanatar , Bing Shen , Peng Cheng , Hai-Hu Wen , S. L. Bud'ko , P. C. Canfield

Recently, phenyl molecules have been reported to exhibit Meissner effect mainly from magnetization measurements. Realizing zero-resistivity state in these materials seems a challenge due to many practical difficulties but is required to…

Superconductivity · Physics 2018-04-10 Liu-Cheng Chen , Ren-Shu Wang , Jia Cheng , Xiao-Lin Wu , Yun Gao , Zhong-Bing Huang , Xiao-Jia Chen

The in-plane diamagnetism around the Meissner transition was measured in a Tl$_2$Ba$_2$Ca$_2$Cu$_3$O$_{10}$ single crystal of high chemical and structural quality, which minimizes the inhomogeneity and disorder rounding effects on the…

Superconductivity · Physics 2009-11-13 J. Mosqueira , L. Cabo , F. Vidal

We report an unusual anisotropic paramagnetic peak effect observed in reversible magnetization of a single crystalline nodal superconductor $\text{Rh}_{17}\text{S}_{15}$. Both temperature- and field-dependent magnetization measurements…

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