Items where Author is "Subramanian, M. A."

Subramanian, M. A. ; Ganguli, A. K. ; Sleight, A. W. (1992) High pressure synthesis of new plumbates of bismuth and thallium Materials Research Bulletin, 27 (7). pp. 799-803. ISSN 0025-5408

Subramanian, M. A. ; Ganguli, A. K. ; Willmer, K. L. ; Greedan, J. E. (1991) Synthesis and characterization of perovskite-type BaTl_0.5Sb_0.5O₃ and BaTl_0.5+xSb_0.5-xO_3-x Journal of Solid State Chemistry, 95 (2). pp. 447-451. ISSN 0022-4596

Ganguli, A. K. ; Subramanian, M. A. (1991) Manipulation of Ba-O layers inducing orthorhombic-tetragonal phase transition in YBa_2-xSr_xCu₃O_6.7 Materials Research Bulletin, 26 (9). pp. 869-877. ISSN 0025-5408

Ganguli, A. K. ; Subramanian, M. A. (1991) Synthesis and characterization of orthorhombic TlSr₂CuO₅ Journal of Solid State Chemistry, 93 (1). pp. 250-255. ISSN 0022-4596

Ganguli, A. K. ; Subramanian, M. A. (1991) Synthesis and characterization of (Tl_0.5Pb_0.5)Sr_3−xNd_xCu₂O₇ (0.5≤× ≤0.9) Materials Research Bulletin, 26 (6). pp. 449-453. ISSN 0025-5408

Ganguli, A. K. ; Subramanian, M. A. ; Kwei, G. H. (1991) Oxides of the type TlSr₂Cu_1−xM_xO₅ (M = Fe, Co) having the 121 structure Journal of Solid State Chemistry, 91 (2). pp. 397-402. ISSN 0022-4596

Ganguli, A. K. ; Subramanian, M. A. (1991) Tl₂Ba_2-xSr_xCuO₆: a system exhibiting a compositionally controlled superconductor-metal transition Journal of Solid State Chemistry, 90 (2). pp. 382-385. ISSN 0022-4596

Subramanian, M. A. ; Ganguli, A. K. (1991) Superconductivity in Tl_1−xCd_xBaLaCuO₅ Materials Research Bulletin, 26 (1). pp. 91-95. ISSN 0025-5408

Luke, G. M. ; Le, L. P. ; Sternlieb, B. J. ; Uemura, Y. J. ; Brewer, J. H. ; Kadono, R. ; Kiefl, R. F. ; Kreitzman, S. R. ; Riseman, T. M. ; Stronach, C. E. ; Davis, M. R. ; Uchida, S. ; Takagi, H. ; Tokura, Y. ; Hidaka, Y. ; Murakami, T. ; Gopalakrishnan, J. ; Sleight, A. W. ; Subramanian, M. A. ; Early, E. A. ; Markert, J. T. ; Maple, M. B. ; Seaman, C. L. (1990) Magnetic order and electronic phase diagrams of electron-doped copper oxide materials Physical Review B, 42 (13). pp. 7981-7988. ISSN 0163-1829

Subramanian, M. A. ; Gopalakrishnan, J. ; Sleight, A. W. (1990) Depression of T_c with rare earth substitution for La in La_2-xSr_xCuO₄ superconductors Journal of Solid State Chemistry, 84 (2). pp. 413-417. ISSN 0022-4596

Toby, B. H. ; Dmowski, W. ; Egami, T. ; Jorgensen, J. D. ; Subramanian, M. A. ; Gopalakrishnan, J. ; Sleight, A. W. ; Parise, J. B. (1989) Ordering in Tl₂CaBa₂Cu₂O₈ and Tl₂Ba₂CuO₆ studied by pair distribution function and rietveld analysis Physica C: Superconductivity, 162-164 (1). pp. 101-102. ISSN 0921-4534

Luke, G. M. ; Le, L. P. ; Sternlieb, B. J. ; Uemura, Y. J. ; Brewer, J. H. ; Kadono, R. ; Kiefl, R. F. ; Kreitzman, S. R. ; Riseman, T. M. ; Maple, M. B. ; Seaman, C. L. ; Kakurai, K. ; Uchida, S. ; Takagi, H. ; Tokura, Y. ; Hidaka, Y. ; Murakami, T. ; Gopalakrishnan, J. ; Sleight, A. W. ; Subramanian, M. A. (1989) Static magnetic order in electron-superconductor related compounds Physica C: Superconductivity, 162-164 . pp. 825-826. ISSN 0921-4534

Cox, D. E. ; Goldman, A. I. ; Subramanian, M. A. ; Gopalakrishnan, J. ; Sleight, A. W. (1989) Neutron-powder-diffraction study of the structure and antiferromagnetic ordering in Pr₂CuO₄ Physical Review B, 40 (10). pp. 6998-7004. ISSN 0163-1829

Gai, P. L. ; Subramanian, M. A. ; Gopalakrishnan, J. ; Boyes, E. D. (1989) Microstructure and microchemistry of defects and interfaces in Tl₂Ba₂Ca₃Cu₄O₁₂, TlBa₂Ca₄Cu₅O₁₃ and (Tl,Pb)Sr₂Ca_n-1Cu_nO_2n+3(n=2,3)oxide superconductors Physica C: Superconductivity, 159 (6). pp. 801-810. ISSN 0921-4534

Parise, J. B. ; Torardi, C. C. ; Subramanian, M. A. ; Gopalakrishnan, J. ; Sleight, A. W. ; Prince, E. (1989) Superconducting Tl_2.0Ba_2.0CuO_6+δ: a high resolution neutron powder and single crystal x-ray diffraction investigation Physica C: Superconductivity, 159 (3). pp. 239-244. ISSN 0921-4534

Parise, J. B. ; Gai, P. L. ; Subramanian, M. A. ; Gopalakrishnan, J. ; Sleight, A. W. (1989) The superconductors (Tl, Pb)Sr₂CaCu₂O₇ and (Tl, Pb)Sr₂Ca₂Cu₃O₉: neutron powder diffraction, high resolution electron microscopy and x-ray absorption studies Physica C: Superconductivity, 159 (3). pp. 245-254. ISSN 0921-4534

Uemura, Y. J. ; Luke, G. M. ; Sternlieb, B. J. ; Brewer, J. H. ; Carolan, J. F. ; Hardy, W. N. ; Kadono, R. ; Kempton, J. R. ; Kiefl, R. F. ; Kreitzman, S. R. ; Mulhern, P. ; Riseman, T. M. ; Williams, D. Ll. ; Yang, B. X. ; Uchida, S. ; Takagi, H. ; Gopalakrishnan, J. ; Sleight, A. W. ; Subramanian, M. A. ; Chien, C. L. ; Cieplak, M. Z. ; Xiao, Gang ; Lee, V. Y. ; Statt, B. W. ; Stronach, C. E. ; Kossler, W. J. ; Yu, X. H. (1989) Universal correlations between T_c and n_s/m^∗(carrier density over effective mass) in high-T_c cuprate superconductors Physical Review Letters, 62 (19). pp. 2317-2320. ISSN 0031-9007

Torardi, C. C. ; Subramanian, M. A. ; Gopalakrishnan, J. ; Sleight, A. W. (1989) Alkali-metal substituted La₂CuO₄: structures of La_2-xM_xCuO₄ (M = Na, K; x ≈ 0.2) Physica C: Superconductivity, 158 (3). pp. 465-470. ISSN 0921-4534

Gopalakrishnan, J. ; Subramanian, M. A. ; Sleight, A. W. (1989) Superconducting and nonsuperconducting analogs of Bi₂Sr₂CaCu₂O₈: the role of electronegativity Journal of Solid State Chemistry, 80 (1). pp. 156-160. ISSN 0022-4596

Luke, G. M. ; Sternlieb, B. J. ; Uemura, Y. J. ; Brewer, J. H. ; Kadono, R. ; Kiefl, R. F. ; Kreitzman, S. R. ; Riseman, T. M. ; Gopalakrishnan, J. ; Sleight, A. W. ; Subramanian, M. A. ; Uchida, S. ; Takagi, H. ; Tokura, Y. (1989) Studies of static magnetic order in electron-superconductors and their parent compounds Nature, 338 . pp. 49-51. ISSN 0028-0836

Gopalakrishnan, J. ; Subramanian, M. A. ; Torardi, C. C. ; Attfield, J. P. ; Sleight, A. W. (1989) Properties and structures of R_2-xA_xCuO₄ phases: R = La, Pr and Nd; A = Sr, Pb and Cd Materials Research Bulletin, 24 (3). pp. 321-330. ISSN 0025-5408

Torardi, C. C. ; Parise, J. B. ; Subramanian, M. A. ; Gopalakrishnan, J. ; Sleight, A. W. (1989) Oxygen nonstoichiometry in copper-oxide based superconductors and related systems: structure of nonsuperconducting Bi₂Sr_3-xY_xCu₂O_8+y (x≈0.6-1.0) Physica C: Superconductivity, 157 (1). pp. 115-123. ISSN 0921-4534

Yang, B. X. ; Kiefl, R. F. ; Brewer, J. H. ; Carolan, J. F. ; Hardy, W. N. ; Kadono, R. ; Kempton, J. R. ; Kreitzman, S. R. ; Luke, G. M. ; Riseman, T. M. ; Williams, D. Ll. ; Uemura, Y. J. ; Sternlieb, B. ; Subramanian, M. A. ; Strzelecki, A. R. ; Gopalakrishnan, J. ; Sleight, A. W. (1989) Static magnetic order in Bi₂Sr₂YCu₂O_x and spin freezing in Bi₂SrYCaCu₂O_x detected by muon-spin rotation Physical Review B, 39 (1). pp. 847-850. ISSN 0163-1829

Subramanian, M. A. ; Gopalakrishnan, J. ; Torardi, C. C. ; Gai, P. L. ; Boyes, E. D. ; Askew, T. R. ; Flippen, R. B. ; Farneth, W. E. ; Sleight, A. W. (1989) Superconductivity near liquid nitrogen temperature in the Pb---Sr---R---Ca---Cu---O system (R= Y or rare earth) Physica C: Superconductivity, 157 (1). pp. 124-130. ISSN 0921-4534

Biggs, B. D. ; Kunchur, M. N. ; Lin, J. J. ; Poon, S. J. ; Askew, T. R. ; Flippen, R. B. ; Subramanian, M. A. ; Gopalakrishnan, J. ; Sleight, A. W. (1989) Flux creep and critcal-current anisotropy in Bi₂Sr₂CaCu₂O_8+δ Physical Review B: Condensed Matter and Materials Physics, 39 (10). pp. 7309-7312. ISSN 1098-0121

Sternlieb, B. J. ; Luke, G. M. ; Uemura, Y. J. ; Brewer, J. H. ; Kadono, R. ; Kempton, J. R. ; Kiefl, R. F. ; Kreitzman, S. R. ; Riseman, T. M. ; Williams, D. Ll. ; Gopalakrishnan, J. ; Sleight, A. W. ; Strzelecki, A. R. ; Subramanian, M. A. (1989) Magnetic and superconducting phase diagram of Bi₂Sr_3-xY_xCu₂O₈ as determined by muon-spin rotation Physical Review B: Condensed Matter and Materials Physics, 40 (16). pp. 11320-11323. ISSN 1098-0121

Subramanian, M. A. ; Gopalakrishnan, J. ; Torardi, C. C. ; Calabrese, J. C. ; Morrissey, K. J. (1989) Synthesis and structure-property relationships of Tl and Bi containing copper-oxide superconductors Proceedings of the First International Symposium on Superconductivity . pp. 773-779.

Dmowksi, W. ; Toby, B. H. ; Egami, T. ; Subramanian, M. A. ; Gopalakrishnan, J. ; Sleight, A. W. (1988) Short-range ordering due to displacements of thallium and oxygen atoms in superconducting Tl₂Ba₂CaCu₂O₈ observed by pulsed-neutron scattering Physical Review Letters, 61 (22). pp. 2608-2611. ISSN 0031-9007

Subramanian, M. A. ; Parise, J. B. ; Calabrese, J. C. ; Torardi, C. C. ; Gopalakrishnan, J. ; Sleight, A. W. (1988) Crystal structure of TlBa₂Ca₂Cu₃O₉ Journal of Solid State Chemistry, 77 (1). pp. 192-195. ISSN 0022-4596

Subramanian, M. A. ; Strzelecki, A. R. ; Gopalakrishnan, J. ; Sleight, A. W. (1988) Superconductor-to-insulator transition in the Bi₂Sr_3-xY_xCu₂O_8+y system Journal of Solid State Chemistry, 77 (1). pp. 196-199. ISSN 0022-4596

Subramanian, M. A. ; Torardi, C. C. ; Gopalakrishnan, J. ; Gai, P. L. ; Calabrese, J. C. ; Askew, T. R. ; Flippen, R. B. ; Sleight, A. W. (1988) Bulk superconductivity up to 122 K in the Tl-Pb-Sr-Ca-Cu-O system Science, 242 (4876). pp. 249-252. ISSN 0036-8075

Parise, J. B. ; Gopalakrishnan, J. ; Subramanian, M. A. ; Sleight, A. W. (1988) Superconducting Tl₂Ba₂CuO₆: the orthorhombic form Journal of Solid State Chemistry, 76 (2). pp. 432-436. ISSN 0022-4596

Uemura, Y. J. ; Sternlieb, B. J. ; Cox, D. E. ; Brewer, J. H. ; Kadono, R. ; Kempton, J. R. ; Kiefl, R. F. ; Kreitzman, S. R. ; Luke, G. M. ; Mulhern, P. ; Riseman, T. ; Williams, D. L. ; Kossler, W. J. ; Yu, X. H. ; Stronach, C. E. ; Subramanian, M. A. ; Gopalakrishnan, J. ; Sleight, A. W. (1988) Absence of magnetic order in (Ba, K)BiO₃ Nature, 335 . pp. 151-152. ISSN 0028-0836

Torardi, C. C. ; Subramanian, M. A. ; Calabrese, J. C. ; Gopalakrishnan, J. ; McCarron, E. M. ; Morrissey, K. J. ; Askew, T. R. ; Flippen, R. B. ; Chowdhry, U. ; Sleight, A. W. (1988) Structures of the superconducting oxides Tl₂Ba₂CuO₆ and Bi₂Sr₂CuO₆ Physical Review B, 38 (1). pp. 225-231. ISSN 0163-1829

Subramanian, M. A. ; Gopalakrishnan, J. ; Sleight, A. W. (1988) New layered perovskites: ABiNb₂O₇ and APb₂Nb₃O₁₀ (A=Rb OR Cs) Materials Research Bulletin, 23 (6). pp. 837-842. ISSN 0025-5408

Subramanian, M. A. ; Torardi, C. C. ; Gopalakrishnan, J. ; Calabrese, J. C. ; Morrissey, K. J. ; Askew, T. R. ; Flippen, R. B. ; Chowdhry, U. ; Sleight, A. W. ; Lin, J. J. ; Poon, S. J. (1988) New oxide superconductors Physica C: Superconductivity, 153-155 . pp. 608-612. ISSN 0921-4534

Torardi, C. C. ; Subramanian, M. A. ; Calabrese, J. C. ; Gopalakrishnan, J. ; Morrissey, K. J. ; Askew, T. R. ; Flippen, R. B. ; Chowdhry, U. ; Sleight, A. W. (1988) Crystal structure of Tl₂Ba₂Ca₂Cu₃O₁₀, a 125 K superconductor Science, 240 (4852). pp. 631-634. ISSN 0036-8075

Subramanian, M. A. ; Calabrese, J. C. ; Torardi, C. C. ; Gopalakrishnan, J. ; Askew, T. R. ; Flippen, R. B. ; Morrissey, K. J. ; Chowdhry, U. ; Sleight, A. W. (1988) Crystal structure of the high-temperature superconductor TI₂Ba₂CaCu₂O₈ Nature, 332 . pp. 420-422. ISSN 0028-0836

Subramanian, M. A. ; Torardi, C. C. ; Calabrese, J. C. ; Gopalakrishnan, J. ; Morrissey, K. J. ; Askew, T. R. ; Flippen, R. B. ; Chowdhry, U. ; Sleight, A. W. (1988) A new high-temperature superconductor: Bi₂Sr_3-x Ca_x Cu₂O_8+y Science, 239 (4843). pp. 1015-1017. ISSN 0036-8075

Cox, D. E. ; Torardi, C. C. ; Subramanian, M. A. ; Gopalakrishnan, J. ; Sleight, A. W. (1988) Structure refinements of superconducting Tl₂Ba₂CaCu₂ O₈ and Tl₂Ba₂Ca₂ Cu₃O₁₀ from neutron diffraction data Physical Review B: Condensed Matter and Materials Physics, 38 (10). pp. 6624-6630. ISSN 1098-0121

Subramanian, M. A. ; Gopalakrishnan, J. ; Torardi, C. C. ; Askew, T. R. ; Flippen, R. B. ; Sleight, A. W. ; Lin, J. J. ; Poon, S. J. (1988) Superconducting and magnetic behavior in La_2-xNa_xCuO₄ Science, 240 (4851). pp. 495-497. ISSN 0036-8075

Lin, J. J. ; Benitez, E. L. ; Poon, S. J. ; Subramanian, M. A. ; Gopalakrishnan, J. ; Sleight, A. W. (1988) Superconducting properties of single-crystal Bi₂Sr₂CaCu₂O_8+y Physical Review B: Condensed Matter and Materials Physics, 38 (7). pp. 5095-5097. ISSN 1098-0121

Subramanian, M. A. ; Clearfield, A. ; Umarji, A. M. ; Shenoy, G. K. ; Subba Rao, G. V. (1984) Synthesis and solid state studies on Mb₂Sb₂O₇ and (Mn_1-xCd_x)₂Sb₂O₇ pyrochlores Journal of Solid State Chemistry, 52 (2). pp. 124-129. ISSN 0022-4596

Subramanian, M. A. ; Aravamudan, G. ; Subba Rao, G. V. (1983) Oxide pyrochlores - a review Progress in Solid State Chemistry, 15 (2). pp. 55-143. ISSN 0079-6786

Subramanian, M. A. ; Aravamudan, G. ; Subba Rao, G. V. (1980) Electrical properties of Ln₂Mo₂O₇ pyrochlores (Ln=Sm---Yb, Y) Materials Research Bulletin, 15 (10). pp. 1401-1408. ISSN 0025-5408

Subramanian, M. A. ; Aravamudan, G. ; Subba Rao, G. V. (1980) Solid state studies on rare earth mixed oxide pyrochlores Er₂(V_1−xFe_x)_4/3W_⅔O₇ Bulletin of Materials Science, 2 (3). pp. 201-206. ISSN 0250-4707

Subramanian, M. A. ; Subba Rao, G. V. (1980) Synthesis and electrical properties of perovskite oxides, LnB_0.75B'_0.25O₃ Journal of Solid State Chemistry, 31 (3). pp. 329-335. ISSN 0022-4596

Subramanian, M. A. ; Aravamudan, G. ; Subba Rao, G. V. (1979) Synthesis and electrical properties of Ln₂(V_4/3W_2/3)O₇ pyrochlores Materials Research Bulletin, 14 (11). pp. 1457-1461. ISSN 0025-5408