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Synthesis and characterization of Fe and rare earth (RE) (RE=Eu,Nd) codoped bulk In2O3 oxide are...
The influence of sintering temperature on the critical transition temperature Tc and critical current density...
This work describes in detail the simultaneous enhancement of the upper critical field (Hc2) and...
Direct comparison of the magnetic and transport critical current density (Jc) for the same pieces...
We have fabricated the multiwalled carbon nanotube (MWCNT) and nano-C doped MgB2 bulk and wire...
MgB2 bulk samples doped with sucrose were fabricated with the formula MgB2-x Cx ( x=...
We evaluated the doping effect of single walled carbon nanotubes (SWCNT) on the phase formation,...
MgB2 samples were prepared using as-supplied commercial 96% boron with strong crystalline phase and the...
Much denser YBa2Cu3O7 (YBCO) superconducting films at least 1 m thick with smooth surfaces have...
To employ Al stabilizer on Fe sheathed MgB2 wire the hot aluminizing technique was used....
The Rutherford backscattering (RBS) method has been employed to study the incorporation of oxygen into...
Correlation of upper critical field (Hc2) and critical current density (Jc) with processing temperature of...
We report on the magnetoresistance (MR) and magnetic properties of In1.90−xMn0.1SnxO3 (0≤x ≤0.06) oxide. All...
Observation of high temperature ferromagnetism in Ni-doped In2O3 and indium-tin-oxide (ITO) samples prepared by a...
We evaluated the doping effect of two types of multiwall carbon nanotubes (CNTs) with different...
Much smoother surfaces and significantly improved superconducting properties of relatively thick YBa2Cu3O7 (YBCO) films have...
Nanoscale SiC doped Fe/MgB2 wire samples were prepared by an in situ reaction technique using...
To gain insight into the origin of the colossal reduction of resistance in response to...
We investigated the effects of single electron charging energy in high temperature superconductors. Various phenomena...
We report c-axis tunneling spectroscopy investigations in high magnetic fields (I-V characteristics and tunneling conductance...
Electronic transport measurements have been carried out on superconducting MgB2/Mg2Si multilayer film, using a standard...
The synthesis and characterization of polycrystalline room-temperature ferromagnetic semiconductor (In0.9Fe0.1–xMnx)2O3 (x=0–0.1) oxide are reported. All...
Different types of superconductors have been investigated at small magnetic fields Ba over wide temperature...
An alternative method for determining the lock-in angle phiL for pinning of the vortices on...
We obtained a MgB2/Mg2Si multilayer structure by sequentially switching a stoichiometric MgB2 target and a...
The authors investigated the doping effects of single-walled carbon nanotubes (SWCNTs) and multi-walled carbon nanotubes...
The influence of heating rates and annealing temperatures on the transition temperatures (Tc) and critical...
Polycrystalline samples of In and Co codoped ZnO (Zn/sub 1-x/In/sub x/Co/sub 0.075/O; 0.010/spl les/x/spl les/0.020)...
We report on magnetic properties and a Co K-edge X-ray absorption spectroscopy (XAS) study of...
Experimental results are presented for the incorporation of carbon nanotube in polycrystalline MgB/sub 2/ superconductor...
The effect of nano particle doping on the critical current density ofMgB2 is reviewed. Most...
YBa/sub 2/Cu/sub 3/O/sub 7/ (Y123) thin films were grown by pulsed laser deposition (PLD) on...
Significant differences in superconducting and microstructural properties between two types of MgB2 films prepared by...
YBa2Cu3O7 films were fabricated by pulsed laser deposition on SrTiO3 (100) single-crystal substrates whose surfaces...
Magnetoresisitivity and critical current density Jc as a function of temperature and field are studied...
The influence of surface barrier on the third harmonics ac susceptibility (chi3) is studied numerically....
Resistive transition measurements are reported for MgB2 strands with SiC dopants. The starting Mg powders...
The effect of nanoscale-SiC doping of MgB2 was investigated in comparison with undoped, clean-limit, and...
A series of LiMxFe12xPO4 (M 5 Mg,Zr,Ti) phosphates were synthesized via a sol-gel method. Transmission...
WS2 nanotubes were synthesized by sintering amorphous WS3 at high temperature under flowing hydrogen. High-resolution...
Magnetic measurements carried out on MgB2 superconducting round wires have shown that the critical current...
A large magnetoresistive (MR) effect was observed in melt-textured (MT) Bi2212 in which USr2CaO6 was...
Bi2–xPbxSr2Ca1–yGdyCu2O8 + delta (x = 0.34 and y = 0.18, 0.34) crystals were grown by...
In order to prevent polysulfide dissolution into liquid electrolytes and to promote the Li/S redox...
A strong effect of sample size on magnetic Jc(H) was observed for bulk MgB2 when...
The U/n method is a well-established means of improving flux pinning and critical current performance...
Sample size dependent magnetic critical current density has been observed in magnesium diboride superconductors. At...
Temperature dependences of the magnetic moment have been measured in YBa2Cu3O72d thin films over a...
A model is proposed to describe the effect of surface barrier (SB) on ac susceptibility...
The effect of doping MgB2 with carbon nanotubes on transition temperature, lattice parameters, critical current...
The effect of sample size on the critical current density and the flux pinning of...
We report on the vortex dimensionality of uranium-doped Ag/Bi2223 tapes, before and after irradiation to...
We investigated the effect of SiC nanoparticle doping on the crystal lattice structure, critical temperature...
In this work, we report the discovery of a vortex pinning source: semicrystalline defect wells...
An accurate noncontact method of characterizing Ag-BiSCCO tape is reported, using the trapped field, B/sub...
The temperature dependent complex AC susceptibilities of high temperature superconducting disks in perpendicular AC magnetic...
SiC doped MgB/sub 2/ polycrystalline samples were fabricated by in-situ reaction using different grain sizes...
The vertical levitation force between a superconductor disk (SC) and a permanent magnet disk (PM)...
Magnetic hysteresis and magnetic relaxation measurements have been performed to study vortex pinning behaviors for...
Transport critical current (I/sub c/) was measured for MgB/sub 2//Fe round wires, with the magnetic...
Magnetic field and temperature dependencies of the critical current density, J/sub c/(H/spl par/c, T) were...
We examined the distribution of vortices in both Bi-2223 Ag-sheathed tape and U-doped Bi-2223 Ag-sheathed...
Irradiation may significantly increase I/sub c/ in HTS. A systematic pattern occurs: R=I/sub c/(afterirr.)/I/sub c/(beforeirr.)...
The nano-SiC doped MgB/sub 2//Fe wires were fabricated using a powder-in-tube method and an in-situ...
A mass boil-off measurement system has been used to accurately measure and characterize the ac...
Doping of MgB2 by nano-SiC and its potential for the improvement of flux pinning were...
Smooth modulation structure of Mg–B alloy in the quenched reaction product of Mg and amorphous...
he growth mechanism of the Bi-2223 phase was studied using multifilamentary Ag/Bi-2223 tapes manufactured by...
The magnetic levitation forces exerted on a high-temperature superconducting HTS disk by a cylindrical permanent...
The magnetic field Hdis(T) where an order-disorder transition of the vortex lattice in high-Tc superconductors...
LiMn12xCrxO2 compounds with an a-NaFeO2 layer-type crystal structure have been prepared by the Pechini method....
The field-dependent critical current density jc(B) of a MgB2 bulk sample has been obtained using...
Transport critical current (Ic) was measured for Fe-sheathed MgB2 round wires. A critical current density...
The past four years (1997–2001) have seen many exciting developments in high temperature superconductivity, most...
Heat-flow changes of La1–xCaxMnO3 + delta (x=0.25, 0.33, and 0.375) magnetoresistive oxides at their Curie...
Systematic ac susceptibility measurements have been performed on a MgB2 bulk sample. We demonstrate that...
The transport critical current densities, Jc, of superconducting (Bi, Pb)2Sr2Ca2Cu3Ox/Ag tapes were measured before and...
Studies of superconductivity and flux pinning were carried out on (Bi1.64Pb0.36)Sr2Ca1–xYxCu2O8 + y (x =...
The normal rolling method is commonly used for intermediate mechanical deformation in the powder-in-tube process...
The influence of the sinter-forging rate on the critical current density (Jc) behaviour in an...
Ag/Bi-2223 tapes doped with small quantities of 235UO 4 powder were prepared by the powder-in-tube...
Uranium doped BiSCCO 2223 tapes were irradiated by thermal neutrons. The resulting fission-induced defects improve...
Magneto-optical imaging (MOI) has been used for study Ag/Bi-2223 tapes processed using flat rolling, “sandwich”...
Doping of Bi-Sr-Ca-Cu-O based silver sheathed superconducting tapes (BSCCO/Ag) with various uranium compounds was carried...
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Fe-clad MgB2 long tapes have been fabricated using a powder-in-tube technique. An Mg+2B mixture was...
In this paper, we have investigated the effects of sintering time and temperature on the...
Nonstoichiometric amorphous Mg-Ni and Mg-Ni-V alloys were synthesized by mechanical milling the crystalline Mg2Ni alloy...
Spherical nickel hydroxide powders coprecipitated with the additives Ca(OH)2, Co(OH)2, and Zn(OH)2 were prepared through...
The in-plane and out-of-plane magnetoresistances of moderately overdoped Bi2Sr2CaCu2O8x single crystals have been studied from...
A modified magnesium alloy of composition Mg1.9Al0.1Ni0.8Co0.1Mn0.1 was prepared by mechanical grinding with Ni powder...
Low-field ac susceptibility was measured on bulk La0.7Ca0.3MnO3 prepared by a partial melting technique. Discontinuous...
Polycrystalline bulk porous samples with a large number of weak-link grain boundaries and high density...
We report the results on structural aspects, magnetic, and superconducting properties of the La1-xPrxBaCaCu3O7 system....
We have investigated the RSr2Fe3O9 (R=La, Y, Pr, and Gd) materials by several experimental techniques,...
Magnetic hysteresis loops were measured on spiral-grown Bi2Sr2CaCu2Oy Bi-2212 crystals. An anomalous peak effect at...
The role of the intergranular and intragranular critical current densities in silver-sheathed Pb-Bi-Sr-Ca-Cu-O tapes is...
The magnetoresistance and the V-I curves (I>Ic) of a well-characterized Ag-clad (Bi,Pb)2Sr2Ca2Cu3O10+y tape (BPSCCO) with...
In this paper, MgB2 bulks were prepared with doped TiO2 nanoparticles surface-modified by 5-10% SiO2....
The La0.7Ca0.3MnO3 thin film shows a metal-insulator transition at temperature around 150 K, about 100...
Polycrystalline samples of Zn/sub 1-x/In/sub x/Co/sub 0.075/O (0.010/spl les/x/spl les/0.020) diluted magnetic semiconductors were prepared...
In this paper, possible spin transformation and Co valence in dilute magnetic semiconductors is studied....
Polycrystalline HoMn/sub 1-x/Co/sub x/O/sub 3/ was synthesized by solid-state reaction. The infrared active phonons of...
Flux dynamics of an MgB2 bulk sample have been studied by systematic measurements of the...
The M-H loops of MgB2 materials in bulk sintered form, as well as for PIT...