Effect of Partial Substitution of Lanthanum (La) on  the Structural and Electric Properties of Bi2Sr2Ca2Cu3xLaxO10+δ

Jassim, Kareem A.; Hussein, Haider S.

doi:10.30526/30.3.1600

Cited by 13 publications

(10 citation statements)

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“…The Cohen ' s least square method was used as base method to calculate the lattice parameters of the three samples. The software program calculates the lattice parameters were using the d-values and (hkl) [20][21][22]. The results, for all our samples, shows an orthorhombic symmetry.…”

Section: Resultsmentioning

confidence: 91%

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The Effective of Pressure on the Physical Proprieties of Y2Ba4Cu7O15 Superconductor

Jasim

Taha

Shaban

2022

MSF

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The major problems that facing sustainability is the heat production with electricity transmission. The research and engineering communities hope that superconductive materials will be employed in the power transmission, without any losses along the way. Solid-state reaction is a one of the methods for preparing compound samples. This method was used to prepare the nominal chemical formula Y2Ba4Cu7O15. The calcining of the mixed powder at constant temperature of 800C0, followed by compressing the mixed, under (7, 8, 9) tons/cm2 pressures, as pallets shape with diameter 1.5 cm and thickness (0.2-0.3) cm inducing. The prepared samples were encounter many sintering processes through constant temperature. The sintering processes were done in the furnace by rising and cooling temperature with Oxygen rate 0.5 L/min. The samples were measured electrically to determine the resistivity changes in different temperatures (77–300) K, using four-probe technique. The results for the samples A, B and C shows the onset superconducting transition temperatures (Tc (onset)) at 88 K, 93 K, and 99 K respectively. The XRD data illustrated a polycrystalline structure for all samples. The transition temperature, oxygen content (δ) and the lattice parameter increase with increasing the pressure.

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Section: Resultsmentioning

confidence: 91%

“…The overflow of O2 was symbolized as (δ). The measuring of Tc was explained in a previous publications [18,19].…”

Section: Methodsmentioning

confidence: 99%

The Effective of Pressure on the Physical Proprieties of Y2Ba4Cu7O15 Superconductor

Jasim

Taha

Shaban

2022

MSF

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“…The spectra revealed that all samples were composed mostly of some impurity phases in addition to the low -Tc phase(1212) and the high-Tc phase (1223). The arranging defects throughout the c-axis may be the cause of the emergence of more than two phases [13].…”

Section: Resultsmentioning

confidence: 99%

“…The conduction channel in Hg-base is holes in the Cu-O 2 layers, which are strengthened by the Hg-O layer, as a result of the replacement of ln for Hg owing to the different ionic radii. Hg-1223's charge transfer from the Hg layer to the Cu layer is adjusted by the c-axis' deformation [13].…”

Section: Resultsmentioning

confidence: 99%

Preparation (HgBa2Ca2Cu2.85La0.15O8+δ) compound and Study of the impact of partial substitution of mercury with (In2O3)on the structural characteristics

Hassan

Haider

2023

JK-Physics

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In the current work, we focused on the impact of Indium oxide partial substitution at the (Hg) site on the structural characteristics of the (HgBa2Ca2Cu2.85La0.15O8+δ) compound with (0,0.05,0.1,0.15,0.2 and 0.25). Samples were prepared by the (SSR) method. The combined powder was crushed with a pressure of 7 tons per square centimeter to create a disc with a thickness of (0.2 cm) and a diameter of (1.5 cm). The samples sintered for 24 hours at a rate that was changed from ambient temperature to 820 °C. For the samples which were doped with (In=0.05) in comparison to other samples, the highest value of the c-axis lattice parameter and a pseudo-tetragonal structure were discovered using (XRD) analysis. It was discovered that altering the In concentrations in all of the results of our sample changes the volume fraction VPh(1223), mass density dm, and c/a. It was also determined that the change in lattice parameters, degree of crystallinity, crystal size, and strain (in different ways) resulted from a change in the indium oxide concentrations for all samples.

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“…A pure compound (Tl1xAgx) Sr2Ca2Cu3O9, where A is Pb, Hg, Sb, or Bi, is known as TlBa2Ca2Cu3O9 investigated the impact of doping in the Tl-1223 phase and discovered that while all samples' structures remained tetragonal [11], their respective lattice constants a and c grew as the transition temperatures grew. just a little.…”

Section: Introductionmentioning

confidence: 99%

STUDY OF THE STRUCTURAL AND ELECTRICAL EFFECTS OF THE T2−xAgxBa2Ca2Cu3O10+ SUPERCONDUCTING WITH PARTIAL REPLACEMENT OF SILVER WITH THALLIUM

Hamid ALI,

DAHISH,

Ali JASIM

2023

MINAR Journal

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In this manuscript, the partial substitution of thallium by silver and its effect on the superconducting properties of T2−xAgxBa2Ca2Cu3O10+ is studied with x = 0, 0.15 and 0.25. The samples were prepared by the solid state reaction method. The electrical conductivity was examined using the four probes technique to determine the critical temperature Tc. It was found that increasing the proportions of silver for all produced samples increases the critical temperature. It was also found that the best compensation ratio for x is 0.25, which gives the highest critical temperature, Tc. The ultrastructural properties of the samples were studied using X-ray diffraction. X-ray diffraction study showed that all the prepared samples had a tetragonal structure, with a clear change in the lattice constants. The results also showed that the samples were clearly affected by the replacement of silver with thallium. It was shown that the partial replacement of Tl with Ag promoted the formation of the superconducting 2223 phase

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Effect of Partial Substitution of Lanthanum (La) on the Structural and Electric Properties of Bi2Sr2Ca2Cu3xLaxO10+δ

Cited by 13 publications

References 0 publications

The Effective of Pressure on the Physical Proprieties of Y<sub>2</sub>Ba<sub>4</sub>Cu<sub>7</sub>O<sub>15</sub> Superconductor

The Effective of Pressure on the Physical Proprieties of Y<sub>2</sub>Ba<sub>4</sub>Cu<sub>7</sub>O<sub>15</sub> Superconductor

Preparation (HgBa2Ca2Cu2.85La0.15O8+δ) compound and Study of the impact of partial substitution of mercury with (In2O3)on the structural characteristics

STUDY OF THE STRUCTURAL AND ELECTRICAL EFFECTS OF THE T2−xAgxBa2Ca2Cu3O10+ SUPERCONDUCTING WITH PARTIAL REPLACEMENT OF SILVER WITH THALLIUM

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