Thermoelectric power studies on the BPSCCO system with silver addition

Rajput, R.K.; Reddy, Y. S.; Sharma, Richa; Subbarao, G.V.; Kumar, Deepak

doi:10.1016/0921-4534(93)90779-p

Cited by 10 publications

(1 citation statement)

References 16 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Although, in many reports silver is showed to affect the physical properties of BPSCCO superconductor, but there is a little agreement in these reports. For instance, in some reports, T c and J c are increased in Ag doping while in others they are decreased [9][10][11]. In this paper, the effect of Ag doping on 2223 phase of BPSCCO has been investigated.…”

Section: Introductionmentioning

confidence: 94%

The effect of silver doping on the critical current density of Bi‐Pb‐Sr‐Ca‐Cu‐O ceramic superconductor

Shoushtari

Bahrami

Farbod

2006

Phys. Status Solidi (c)

View full text Add to dashboard Cite

In this research, the effect of silver doping on Bi 1.6 Pb 0.4 Sr 2 Ca 2 Cu 3 O y ceramic superconductor has been investigated. The solid-state reaction method and two different silver doping methods has been used, namely, doping during making processes of samples (batch 1) and doping after making Bi 1.6 Pb 0.4 Sr 2 Ca 2 Cu 3 O y superconductor (batch 2). We observed that by adding silver to BPSCCO compound, partial melting temperature of the compound is decreased. The critical current density (J c ) in both batches is affected by Ag doping. The investigation of SEM images of samples has shown that the all surfaces of the samples are porous and the grains are plate like. It seems that the BPSCCO grains in batch 1 samples are coated with silver but in the samples of batch 2, the silver also sits between the BPSCCO grains. The XRD patterns studies indicated that the silver peaks form separate phase and also by adding silver to BSCCO, the BPSCCO peaks do not show considerable shift.

show abstract

Section: Introductionmentioning

confidence: 94%

The effect of silver doping on the critical current density of Bi‐Pb‐Sr‐Ca‐Cu‐O ceramic superconductor

Shoushtari

Bahrami

Farbod

2006

Phys. Status Solidi (c)

View full text Add to dashboard Cite

show abstract

A comparative study of thermoelectric properties in (Pr,Y)Ba₂Cu₃O₇ and PrBa₂Cu₃O₇–Ag percolative systems

Môri

Okano

Furuya

2006

Physica Status Solidi (a)

View full text Add to dashboard Cite

PACS 72. 74.25.Fy, 74.72.Bk Measurements of the temperature-dependent thermoelectric power S(T) and resistivity ρ(T) were performed to characterize two kinds of polycrystalline systems (Pr 1-x Y x )Ba 2 Cu 3 O 7 and Ag-doped PrBa 2 Cu 3 O 7 , each of which exhibits percolative behaviour at a certain doping level. At room temperature, Jonker plots of the thermoelectric power against logarithm of the conductivity in both systems show a similar tendency that two different fitting lines are intercrossed at the percolation thresholds. The ρ(T) behaviour below 100 K in each system with low dopant content obeys the variable-range-hopping conduction. Variations of S(T) in both systems could be reconciled with the Boson -Fermion theory based on the resonating-valence-bond model with reasonable dependences of fitting parameters upon doping.

show abstract

A Study on Thermoelectric Power and Electrical Properties of Bi-2223 Superconductors Sintered for Different Time Periods

Saleh

Ahmed

Elsheikh

2008

J Supercond Nov Magn

View full text Add to dashboard Cite

Thermoelectric power studies on the BPSCCO system with silver addition

Cited by 10 publications

References 16 publications

The effect of silver doping on the critical current density of Bi‐Pb‐Sr‐Ca‐Cu‐O ceramic superconductor

The effect of silver doping on the critical current density of Bi‐Pb‐Sr‐Ca‐Cu‐O ceramic superconductor

A comparative study of thermoelectric properties in (Pr,Y)Ba₂Cu₃O₇ and PrBa₂Cu₃O₇–Ag percolative systems

A Study on Thermoelectric Power and Electrical Properties of Bi-2223 Superconductors Sintered for Different Time Periods

Contact Info

Product

Resources

About

Thermoelectric power studies on the BPSCCO system with silver addition

Cited by 10 publications

References 16 publications

The effect of silver doping on the critical current density of Bi‐Pb‐Sr‐Ca‐Cu‐O ceramic superconductor

The effect of silver doping on the critical current density of Bi‐Pb‐Sr‐Ca‐Cu‐O ceramic superconductor

A comparative study of thermoelectric properties in (Pr,Y)Ba2Cu3O7 and PrBa2Cu3O7–Ag percolative systems

A Study on Thermoelectric Power and Electrical Properties of Bi-2223 Superconductors Sintered for Different Time Periods

Contact Info

Product

Resources

About

A comparative study of thermoelectric properties in (Pr,Y)Ba₂Cu₃O₇ and PrBa₂Cu₃O₇–Ag percolative systems