Results 241 to 250 of about 2,830,600 (272)

Enhancement of ${\rm T}_{\rm c}$, Shielding and Irreversibility Line in Argon Preheated ${\rm Ln}({\rm SrBa}){\rm Cu}_{3}{\rm O}_{6+{\rm z}}$

IEEE Transactions on Applied Superconductivity, 2007
We report here on the preparation, AC magnetic susceptibility and resistivity measurements of LnSrBaCu3O6+z (Ln = rare earth = Eu, Sm, Nd). Each sample was subject to two types of heat treatment: oxygen annealing [O] and argon annealing followed by oxygen annealing [AO].
Brahim Bouallal, Abdelhakim Nafidi, Abdelhamid El Kaaouachi, Hassan Chaib, Abdellatif El Azrak, Mimoun Zazoui   +5 more
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Czochralski Growth and Scintillation Properties of ${\rm Ce}:({\rm Gd},{\rm Y},{\rm Lu})_3$$({\rm Al},{\rm Ga})_5{\rm O}_{12}$ Single Crystals

IEEE Transactions on Nuclear Science, 2014
1-inch size Ce1%:Gd2Lu1Al2Ga3O12, Gd1Lu2Al2Ga3O12, Gd1Y2Al1.5Ga3.5O12 and Lu2Y1Al2Ga3O12 were grown by the Czhocralski (Cz) method. The EPMA techniques is employed to check their chemical composition. Luminescence and scintillation properties were also evaluated.
Kei Kamada, Petr Prusa, Martin Nikl, Karel Blazek, Takanori Endo, Kousuke Tsutsumi, Shunsuke Kurosawa, Yuui Yokota, Akira Yoshikawa   +8 more
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Overcoming Temperature Limitations in Phase Change Memories With Optimized ${\rm Ge}_{\rm x}{\rm Sb}_{\rm y}{\rm Te}_{\rm z}$

IEEE Transactions on Electron Devices, 2013
Phase change memory (PCM) is the most mature among the novel memory concepts. Embedded PCM technology can be a real breakthrough for process cost saving and performances. Nevertheless, for specific applications some improvement in high temperature data retention characteristics is needed.
Paola Zuliani, Enrico Varesi, Elisabetta Palumbo, Massimo Borghi, Innocenzo Tortorelli, Davide Erbetta, Giovanna Dalla Libera, Nicola Pessina, Anna Gandolfo, Carlo Prelini, Leonardo Ravazzi, Roberto Annunziata   +11 more
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Magnetic Properties of Multilayer ${[({\rm FePt})_{\rm x}/{\rm Os}]}_{\rm n}$ Films

IEEE Transactions on Magnetics, 2010
Multilayer [(FePt)x/Os]n films (with x being thickness in nm; Os with a fixed thickness 5 nm; n being the number of layers) have been deposited by ion-beam sputtering. Spacer layer was found to have substantial effects on the multilayers to exhibit different magnetic properties and microstructure.
Shih-Yuan Chen, Yeong-Der Yao, Chin-Chung Yu, D. P. Chiang, Y. Y. Chen, Jenn-Ming Wu   +5 more
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Permeability Dispersion and Magnetic Loss of ${\rm Fe}/{\rm Ni}_{\rm x}{\rm Zn}_{1-{\rm x}}{\rm Fe}_{2}{\rm O}_{4}$ Soft Magnetic Composites

IEEE Transactions on Magnetics, 2012
Fe/NixZn1-xFe2O4 ( x=0.1, 0.3, 0.5, 0.7, 0.9) soft magnetic composites were prepared by the chemical co-precipitation method. The effect of Ni content on the magnetic properties was discussed. The results of SEM, EDS and X-ray diffraction analysis indicate that an uniform and dense Ni-Zn ferrite was coated on the surface of bared Fe.
Zhiyong Zhong, Qi Wang, Longxu Tao, Lichuan Jin, Xiaoli Tang, Feiming Bai, Huaiwu Zhang   +6 more
openaire   +1 more source

Structural and Scintillation Properties of Cerium-Doped ${\rm Ba}_{{}_{1- \rm x}}{\rm La}_{{}_{\rm x}}{\rm Cl}_{{}_{2+ \rm x }}$ Ceramics

IEEE Transactions on Nuclear Science, 2008
A series of cerium-doped compounds with the composition Ba1-xLaxCl2+x and 0 < x < 0.5 have been prepared in ceramic form. We find from the powder X-ray diffraction patterns that the compounds adopt the cubic fluorite structure for 0.05 < x 0.34. Samples with x~ 0.2 are translucent.
Andrew Edgar, Murray Bartle, Sebastiampillai G. Raymond, Grant V. M. Williams, Christopher Varoy   +4 more
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Correlation Between Enhanced ${\rm T}_{\rm c}$, Orthorhombicity and the Volume of the Unit Cell in Argon Preheated $({\rm Y}_{1-{\rm x}}{\rm Sm}_{\rm x}){\rm SrBaCu}_{3}{\rm O}_{6+{\rm z}}$

IEEE Transactions on Applied Superconductivity, 2009
We report here on the preparation, X-ray diffraction with Rietveld refinement, AC susceptibility measurements and effect of heat treatments in (Y1-xSmx)SrBaCu3O6+z. Each sample was subject to two types of heat treatment: oxygen annealing [O] and argon annealing followed by oxygen annealing [AO].
M. Braigue, A. Nafidi, H. Chaib, A. El Kaaouachi, A. Toumanari, E.Y. El Yakoubi, B. Bouallal, A. Taoufik, A. El Abidi, H. Sahsah, M. Bellioua, I. Zorkani, J. Hemine, M. Zazoui, E. Akhouairy   +14 more
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MIM Capacitors Based on ${\rm ZrTiO}_{\rm x}/{\rm BaZr}_{\rm y}{\rm Ti}_{\rm 1-y}{\rm O}_{3}$ Featuring Record-Low VCC and Excellent Reliability

IEEE Electron Device Letters, 2013
Perovskite-based BaZryTi1-yO3 (BZTO) (y=0.6) with partial crystallization has been found to possess a rather high- κ value of 48.6 and positive quadratic voltage coefficient of capacitance (VCC). Through stacking BZTO and ZrTiOx as laminate dielectric, metal-insulator-metal capacitors using VCC canceling effect advance frontiers by exhibiting a record ...
Chia-Chun Lin, Yung-Hsien Wu, Ren-Siang Jiang, Meng-Ting Yu   +3 more
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Study on the Structural, Electrical and Magnetic Properties of the ${\rm Ru}({\rm Sr}_{2-{\rm x}}{\rm Ba}_{\rm x}){\rm GdCu}_{2}{\rm O}_{8\pm{\rm z}}$ System

IEEE Transactions on Applied Superconductivity, 2012
Samples of the Ru(Sr2-xBax)GdCu2O8±z system, with x = 0.00, 0.05, 0.10, 0.15, 0.20, 0.25 and 0.50 were prepared through solid-state reaction at ambient pressure at 980-1025°C. From the X-ray diffraction (XRD) patterns, it was observed that the substitution of Sr by Ba takes place iso-structurally into a tetragonal structure (space group P4/mmm ...
M. Abatal, V. Garcia-Vazquez, E. Chavira, G. Gonzalez, A. Tejeda   +4 more
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Dependence of Epitaxial ${\rm Ba}{({\rm Fe}_{1-{\rm x}}{\rm Co}_{\rm x})}_{2}{\rm As}_{2}$ Thin Films Properties on ${\rm SrTiO}_{3}$ Template Thickness

IEEE Transactions on Applied Superconductivity, 2011
In our previous report, we demonstrated the growth of high-quality epitaxial Co-doped Ba(Fe1-xCox)2As2 (Ba-122) thin films using single crystalline SrTiO3 (STO) templates on (La,Sr)(Al,Ta)O3 (LSAT) substrates with pulsed laser deposition (PLD). Here, we report the dependence of the structural and superconducting properties of Ba-122 thin films on STO ...
S. Lee, J. Jiang, J. D. Weiss, C. W. Bark, C. Tarantini, M. D. Biegalski, A. Polyanskii, Y. Zhang, C. T. Nelson, X. Q. Pan, E. E. Hellstrom, D. C. Larbalestier, C. B. Eom   +12 more
openaire   +1 more source