MAGNETIC TRANSPORT PROPERTIES AND HALL EFFECT IN GD1-XPRXBA2CU3O7-Δ SYSTEM

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KHOSROABADI H.; DAD MEHR V.; AKHAVAN M.

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Journal: Iranian Journal of Physics Research Year:2002 | Volume:3 | Issue:2 Page(s): 153-166

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Title

MAGNETIC TRANSPORT PROPERTIES AND HALL EFFECT IN GD1-XPRXBA2CU3O7-Δ SYSTEM

Author(s)

KHOSROABADI H. | DAD MEHR V. | AKHAVAN M. | Issue Writer Certificate

Keywords

HTSCQ4

HALL EFFECTQ3

MAGNETORESISTANCEQ3

PINNIN ENERGYQ3

CRITICAL MAGNETIC FIELDQ3

Abstract

Single phase polycrystalline Gd1-xPrxBa2Cu3O7-δ samples with x= 0.05, 0.10, and 0.15 have been prepared by standard solid state reaction technique and characterized by XRD and SEM analysis. The electrical resistivity, HALL EFFECT and MAGNETORESISTANCE measurements have been made on the samples. The electrical resistivity measurements indicate a reduction of transition temperature (Tc) and an increase of superconducting transition width with increasing x. Hall measurements show anomalous temperature dependence for Hall coefficient (RH) in the normal state. In Gd0.90Pr0.10Ba2Cu3O7-δ sample, we have seen an anomalous sign reversal in the Hall coefficient with respect to temperature. The MAGNETORESISTANCE measurements in the range of 0 to 10 kOe also show small changes in the normal states, although the changes are large in the superconducting state. An anomaly at 260 K appears in the transverse MAGNETORESISTANCE for x=0.1 sample, which is related to the presence of magnetic Gd ion. The superconducting transition width also increases with the magnetic field in all of the samples. An exponent behavior for Hc2 versus (1- T/T0(H)) and superconducting transition width versus H have been derived. Pinning energy (U) has also been calculated from these measurements. Results show the reduction of pinning energy with the increase of magnetic field and x. Our results show that the exponent behavior of U ∞ HV, where v is independent of x.

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APA: Copy

KHOSROABADI, H., DAD MEHR, V., & AKHAVAN, M.. (2002). MAGNETIC TRANSPORT PROPERTIES AND HALL EFFECT IN GD1-XPRXBA2CU3O7-Δ SYSTEM. IRANIAN JOURNAL OF PHYSICS RESEARCH, 3(2), 153-166. SID. https://sid.ir/paper/1763/en

Vancouver: Copy

KHOSROABADI H., DAD MEHR V., AKHAVAN M.. MAGNETIC TRANSPORT PROPERTIES AND HALL EFFECT IN GD1-XPRXBA2CU3O7-Δ SYSTEM. IRANIAN JOURNAL OF PHYSICS RESEARCH[Internet]. 2002;3(2):153-166. Available from: https://sid.ir/paper/1763/en

IEEE: Copy

H. KHOSROABADI, V. DAD MEHR, and M. AKHAVAN, “MAGNETIC TRANSPORT PROPERTIES AND HALL EFFECT IN GD1-XPRXBA2CU3O7-Δ SYSTEM,” IRANIAN JOURNAL OF PHYSICS RESEARCH, vol. 3, no. 2, pp. 153–166, 2002, [Online]. Available: https://sid.ir/paper/1763/en

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