Study the effect of α-TeO2 substitution on some properties Hg- system

shatha hashim mahdi

Abstract


Specimens of HgBa2-xTexCa2Cu3 O8+ with x =0, 0.15, 0.3 and 0.45, were prepared by traditional method (SSR). The results showed enhancing structural and electrical (resistivity vs temperature) properties, where XRD analysis shows a tetragonal structure for all specimens and high ratio of Hg-1223 phase with an increase of the lattice parameter and Tc, except x=0.45, it shown semiconductor. The HgBa1.70Te0.30Ca2Cu3 O8+ specimen with x= 0.3 shows the highest (Tc=143K) than with Tc of the basic compound HgBa2Ca2Cu3 O8+ equal (135K), at increment of Te content. While mechanical properties have been weakened as consequence to increasing brittleness of HgBa2-xTexCa2Cu3 O8+ compounds at increment Te content.

Keywords


HgBa2-xTexCa2Cu3 O8+ compound; brittleness; Ba–Te substitution

Full Text:

PDF

References


Bushra K.H.Al-Maiyaly, Shatha Hashim Mahdi, Kareem Ali Jasim ,Mohammad Hady Mahdi, Nibrass Tahseen Abdul.Hameed" Synthesis and Characterization of Hg1-x CdxBa2Ca2Cu3O8+δ thin film Superconductors prepared by DC Sputtering"., J. Chem. Bio. Phy. Sci. Sec. C, May 2015 – July 2015; Vol.5, No.3; 2930-2941

Kareem Ali Jasim, Shatha Hashim Mahdi., " Synthesis and Study the Electrical Properties of Hg1-xCdxBa2Ca2Cu3O8+δ",22-23/ 4/2015

S. N. Putilin, E. V. Antipov, & M. Marezio; Physica C, 212, 266 (1993).

M. Brian Maple” High Temperature Superconductivity”; ar Xiv: Cond-mat/9802202 VI,19 Feb(1998).

E. V. Antipov, A. M. Abakumov, S. N. Putilin, Supercond. Sci. Technol. 15 (2002) R31.

B. Batlogy, "High Temperature Superconductivity"; Proc. Los. Alamos Symp. 1989, K. S. Bedell, D. Coffey, D. E. Meltzer, D. Pines & J. R. Schrieffer

D. Pavlov "Synthesis and Properties of Substituted Hg-based Superconductors: Ph.D. University of Stock holms, Department of Lnorganic Chimistry.(2004)

E.V.Antipov ,A.M.Abakumov and S.N.Putitn , superconductor Science and Techology , V.15, P.31 (2002).

V. ätrbÌk*, ä. Chromik, ä. Beňačka, A. Plecenik, ä. Gaûi,." Superconducting Tl- and Hg-based cuprate thin films", MEASUREMENT SCIENCE REVIEW, Volume 1, Number 1, 2001

L.W. Finger R.M. Hazen, R.T. Downs, R.L. Meng, C.W. Chu,." Crystal chemistry of HgBa2CaCu2O8+ and HgBa2Ca2Cu3O8+ Single-crystal X-ray diffraction results" Physica C 226 (1994) 216-221

K.A. Lokshin , D.A. Pavlov , M.L. Kovba , E.V. Antipov, I.G. Kuzemskaya , L.F. Kulikova , V.V. Davydov , I.V. Morozov , E.S. Itskevich,." Synthesis and characterization of overdoped Hg-1234 and Hg-1245 phases; the universal behavior of T variation in the c HgBa Ca Cu O series" Physica C 300 1998 71–76.

Pradyot Patnaik (2002). Handbook of Inorganic Chemicals. McGraw-Hill. ISBN 0-07-049439-8.

Norman N.; Earnshaw, Alan (1984). Chemistry of the Elements. Oxford: Pergamon Press. p. 911. ISBN 0-08-022057-6.

MATCH,."Phase Identification ftom powder diffraction-Version2.2.1 Build315,copyright(C),2003-2014 Crystal Ipact,Bonn,Germany.

Ghazala Y. Hermiz* , Bushra A. Aljurani, Hassan A. Thabit , " Effect of Pressure on the Superconducting and Mechanical Properties of Bi1.6Pb0.4Sr1.8Ba0.2Ca2Cu2.2Ni0.8O10+δ System" Advances in Materials Physics and Chemistry, 2013, 3, 42-47

Hassan Abdullah Thabit., "Mechanical Properties of Superconductor System (Bi0.8Pb0.2)2(Sr0.9Ba0.1)2Ca2(Cu1-xNix)3O10+δ", (2011)

M. Yilmazlar, O. Ozturk, H. Aydin, M. Akdogan, and C. Terzioglu chinese journal of Phy. V. 45, P. 2 (2007).

. Kareem A. Jasim, Tariq A. Al-Dhahir and Shatha H. Mahdi., "Preparation and electrical, mechanical properties of Bi2Ba2Can-1CunO2n+4+δ (n = 1, 2, 3) superconductors", International Journal for Sciences and Technology / ICV: 4.32 - SJIF: 3.735 Vol. 9, No.3,September 2014

.H. Aydin,1 O. Cakiroglu,2 M. Nursoy,3 and C. Terzioglu1, _ V. 47, N. 2 ,(2009).




DOI: http://dx.doi.org/10.23851/mjs.v29i2.301

Refbacks

  • There are currently no refbacks.


Copyright (c) 2018 Al-Mustansiriyah Journal of Science

Creative Commons License
This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.


Copyright (c) 2018 by Al-Mustansiriyah Journal of Science
ISSN: 1814-635X (Print), ISSN: 2521-3520 (online)