Search Results - "KROEGER, D. M"

Preparation of YBCO Films on CeO2-Buffered (001) YSZ Substrates by a Non-Fluorine MOD Method by Xu, Y., Goyal, A., Lian, J., Rutter, N. A., Shi, D., Sathyamurthy, S., Paranthaman, M., Wang, L., Martin, P. M., Kroeger, D. M.

“…YBa2Cu3O7−δ (YBCO) films were fabricated via a fluorine‐free metal organic deposition (MOD) method followed by high‐temperature, low oxygen partial pressure…”
Get full text

Comparative Study of Thickness Dependence of Critical Current Density of Yba2Cu3O7–δ on (100) SrTiO3 and on Rolling-assisted Biaxially Textured Substrates by Kang, B. W., Goyal, A., Lee, D. F., Mathis, J. E., Specht, E. D., Martin, P. M., Kroeger, D. M., Paranthaman, M., Sathyamurthy, S.

“…We investigated the dependence of critical current density (Jc) on thickness of Yba2Cu3O7−δ (YBCO) films grown by pulsed laser deposition on (100) SrTiO3 (STO)…”
Get full text

Ni–Cr textured substrates with reduced ferromagnetism for coated conductor applications by Thompson, J.R, Goyal, A, Christen, D.K, Kroeger, D.M

“…A series of biaxially textured Ni 1− x Cr x materials, with compositions x=0, 7, 9, 11, and 13 at.%Cr, have been studied for use as substrate materials in…”
Get full text

Reconstruction of Current Flow and Imaging of Current-Limiting Defects in Polycrystalline Superconducting Films by Pashitski, A. E., Gurevich, A., Polyanskii, A. A., Larbalestier, D. C., Goyal, A., Specht, E. D., Kroeger, D. M., DeLuca, J. A., Tkaczyk, J. E.

“…Magneto-optical imaging was used to visualize the inhomogeneous penetration of magnetic flux into polycrystalline TIBa$_2$Ca$_2$Cu$_3$O$_x$ films with high…”
Get full text

Conductors with controlled grain boundaries: An approach to the next generation, high temperature superconducting wire by Goyal, A., Norton, D. P., Kroeger, D. M., Christen, D. K., Paranthaman, M., Specht, E. D., Budai, J. D., He, Q., Saffian, B., List, F. A., Lee, D. F., Hatfield, E., Martin, P. M., Klabunde, C. E., Mathis, J., Park, C.

“…Much of the conductor development effort in the last decade has focused on optimizing the processing of (Bi, Pb)2Sr2Ca2Cu3Ox oxide-powder-in-tube conductors…”
Get full text

Inter- and intragrain transport measurements in YBa2Cu3O7−x deformation textured coated conductors by Feldmann, D. M., Larbalestier, D. C., Verebelyi, D. T., Zhang, W., Li, Q., Riley, G. N., Feenstra, R., Goyal, A., Lee, D. F., Paranthaman, M., Kroeger, D. M., Christen, D. K.

“…Using photolithography, links for transport measurement have been placed across individual Ni grain boundaries and within individual Ni grains on several…”
Get full text

Chemical Solution Deposition of Lanthanum Zirconate Buffer Layers on Biaxially Textured Ni–1.7% Fe–3% W Alloy Substrates for Coated-conductor Fabrication by Sathyamurthy, S., Paranthaman, M., Aytug, T., Kang, B. W., Martin, P. M., Goyal, A., Kroeger, D. M., Christen, D. K.

“…Sol-gel processing of La2Zr2O7 (LZO) buffer layers on biaxially textured Ni–1.7% Fe–3% W alloy substrates using a continuous reel-to-reel dip-coating unit has…”
Get full text

YBa2Cu3O7-y−coated conductors with high engineering current density by Paranthaman, M., Park, C., Cui, X., Goyal, A., Lee, D. F., Martin, P. M., Chirayil, T. G., Verebelyi, D. T., Norton, D. P., Christen, D. K., Kroeger, D. M.

“…Short segments of YBa2Cu3O7-y (YBCO) coated conductors were fabricated on rolling-assisted biaxially textured substrates (RABiTS) with a layer sequence of…”
Get full text

Fabrication of long lengths of YBCO coated conductors using a continuous reel-to-reel dip-coating unit by Paranthaman, M., Chirayil, T.G., Sathyamurthy, S., Beach, D.B., Goyal, A., List, F.A., Lee, D.F., Cui, X., Lu, S.W., Kang, B., Specht, E.D., Martin, P.M., Kroeger, D.M., Feenstra, R., Cantoni, C., Christen, D.K.

“…A low-cost, non-vacuum, solution precursor route has been developed to produce epitaxial Gd/sub 2/O/sub 3/ and Eu/sub 2/O/sub 3/ buffer layers and YBa/sub…”
Get full text

Microstructural characterization of thick YBa2Cu3O7−δ films on improved rolling-assisted biaxially textured substrates by Leonard, K. J., Kang, S., Goyal, A., Yarborough, K. A., Kroeger, D. M.

“…The microstructural changes associated with the reduced dependence of critical current density (Jc) versus thickness of thick, epitaxial YBa2Cu3O7–δ (YBCO)…”
Get full text

Thickness dependence of microstructure and critical current density of Yba2Cu3O7−δ on rolling-assisted biaxially textured substrates by Leonard, K. J., Goyal, A., Kroeger, D. M., Jones, J. W., Kang, S., Rutter, N., Paranthaman, M., Lee, D. F., Kang, B. W.

“…The change in microstructure associated with the decrease in critical current density (Jc) of Yba2Cu3O7−δ (YBCO) films with increasing thickness was examined…”
Get full text

Growth of biaxially textured buffer layers on rolled-Ni substrates by electron beam evaporation by Paranthaman, M., Goyal, A., List, F.A., Specht, E.D., Lee, D.F., Martin, P.M., He, Qing, Christen, D.K., Norton, D.P., Budai, J.D., Kroeger, D.M.

“…This paper describes the development of two buffer layer architectures on rolled-Ni substrates using an electron beam evaporation technique. The first buffer…”
Get full text

Coated conductor development: an assessment by Finnemore, D.K, Gray, K.E, Maley, M.P, Welch, D.O, Christen, D.K, Kroeger, D.M

“…This paper summarizes the current status of basic research related to the understanding and development of coated conductor tapes for use in large scale…”
Get full text

Deposition of biaxially-oriented metal and oxide buffer-layer films on textured Ni tapes: new substrates for high-current, high-temperature superconductors by He, Qing, Christen, D.K., Budai, J.D., Specht, E.D., Lee, D.F., Goyal, A., Norton, D.P., Paranthaman, M., List, F.A., Kroeger, D.M.

“…Techniques are reported for sputter deposition of biaxially oriented buffer-layers on textured Ni tapes. These buffered tapes can be employed as long,…”
Get full text

Effects of Conversion Parameters on the Transport Properties of YBCO Films in the BaF2 Ex Situ Process by Yoo, J., Leonard, K.J., Lee, D.F., Hsu, H.S., Heatherly, L., List, F.A., Rutter, N.A., Goyal, A., Paranthaman, M., Kroeger, D.M.

“…The effects of conversion parameters on transport properties of YBa2Cu3O7-δ (YBCO) films on rolling assisted biaxially textured substrates (RABiTS) in the BaF2…”
Get full text

Quantification and control of the sulfur c(2 × 2) superstructure on {100}〈100〉 Ni for optimization of YSZ, CeO2, and SrTiO3 seed layer texture by Cantoni, C., Christen, D. K., Heatherly, L., Kowalewski, M. M., List, F. A., Goyal, A., Ownby, G. W., Zehner, D. M., Kang, B. W., Kroeger, D. M.

“…We investigated the influence of a chemisorbed S template with c(2 × 2) structure on the epitaxial growth of different oxide buffer layers on {100}〈100〉 Ni…”
Get full text

Phase stability for the in situ growth of Nd1+xBa2−xCu3Oy films using pulsed-laser deposition by Cantoni, C., Norton, D. P., Kroeger, D. M., Paranthaman, M., Christen, D. K., Verebelyi, D., Feenstra, R., Lee, D. F., Specht, E. D., Boffa, V., Pace, S.

“…We have determined the stability line in the 1/T−log[P(O2)] phase space for the synthesis of Nd1+xBa2−xCu3Oy (NdBCO) films. A systematic study of Tc, Jc, and…”
Get full text

Using RABiTS to fabricate high-temperature superconducting wire by Goyal, A., Feenstra, R., List, F. A., Paranthaman, M., Lee, D. F., Kroeger, D. M., Beach, D. B., Morrell, J. S., Chirayil, T. G., Verebelyi, D. T., Cui, X., Specht, E. D., Christen, D. K., Martin, P. M.

“…In order for many large-scale bulk applications of high-temperature superconducting materials to be realized, the cost/performance of the superconductors needs…”
Get full text

Epitaxial YBa2Cu3O7 films on rolled-textured metals for high-temperature superconducting applications by NORTON, D. P, PARK, C, KROEGER, D. M, SPECHT, E, PARANTHAMAN, M, BROWNING, N. D, PROUTEAU, C, CHRISTEN, D. K, CHISHOLM, M. F, BUDAI, J. D, PENNYCOOK, S. J, GOYAL, A, SUN, E. Y, LEE, D. F

Get full text

Microstructure of electron-beam-evaporated epitaxial yttria-stabilized zirconia/CeO2 bilayers on biaxially textured Ni tape by YANG, C.-Y, BABCOCK, S. E, GOYAL, A, PARANTHAMAN, M, LIST, F. A, NORTON, D. P, KROEGER, D. M, ICHINOSE, A

Get full text