1998
DOI: 10.1016/s0921-4534(98)00286-x
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Enhancement of critical current density in HgBa2Ca2Cu3O8+δ superconductor doped by Sb

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Cited by 9 publications
(11 citation statements)
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“…It is worthwhile to discuss the comparative influence of Sb and Pb doping, on growth marphology and critical current density. It should be pointed out that Sb doping is known to restrain the O 2 and Hg in the grains of Hg-1223 [17]. The presence of Pb is known to lower the melting point [20].…”
Section: Resultsmentioning
confidence: 99%
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“…It is worthwhile to discuss the comparative influence of Sb and Pb doping, on growth marphology and critical current density. It should be pointed out that Sb doping is known to restrain the O 2 and Hg in the grains of Hg-1223 [17]. The presence of Pb is known to lower the melting point [20].…”
Section: Resultsmentioning
confidence: 99%
“…Recently effect of Sb doping in Hg-1223 has been studied by several workers [17,18]. They have found that small addition of Sb in Hg-1223 can improve the intergrain critical current density.…”
Section: Introductionmentioning
confidence: 99%
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“…For long needle shaped samples, such as the samples studied in this work, H 0 % H ac , where H ac is the amplitude of ac field used in ac susceptibility measurement [19]. Figure 8 is the intergrain critical current density J c versus temperature for R0, R1 and R4 calculated by the formular J c H ac ; T p H ac =R.…”
Section: The Ac Susceptibility Measurements and Intergrain Critical Cmentioning
confidence: 99%
“…The higher oxidation state cations also lead to hole optimization in the hole deficient as grown Hg-1223 phase, thus producing optimum critical transition temperature (T c ). A variety of cationic substitution such as Bi, Tl, Mo, Re, Sn, Pb etc have been attempted (Sun et al 1994;Shao et al 1994;Meng et al 1996;Balchev et al 1997;Chmaissem et al 1997;Li et al 1998Li et al , 1999Sastry et al 1998a;Fujii et al 1999). Even though all of them lead to enhanced chemical stability, the influence of different cationic substitutions on the superconducting properties are different.…”
Section: Introductionmentioning
confidence: 99%