Abstracts for March 1998 Journal of Materials Research
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Abstracts for March 1998 Journal of Materials Research
Volume 13, Number 3
TABLE OF CONTENTS COMMUNICATIONS Improvement in thermoelectric properties of (Zn0) 5 ln 2 0 3 through partial substitution of yttrium for indium M. Kazeoka, H. Hiramatsu, W-S. Seo, K. Koumoto Surface precipitates on single crystal LiNbO3 after dry-etching by CHF3 plasma K. Shima, N. Mitsugi, H. Nagata
REVIEW Stresses during thermoset cure D.B. Adolf, J.E. Martin, R.S. Chambers, S.N. Burchett, T.R. Guess
ARTICLES Evolution of surface structure, microstructure, and superconducting properties during YBa2Cu307 a-axis thin film growth A.F. Marshall Synthesis of thin superconducting HgBa2CaCu206+5 films by post-annealing of laser-ablated precursors A. Brazdeikis, I. Bryntse, A.S. Flodstrom Solidification of YBa2Cu306+1.95] and N d was slightly increased to 3x106/cm2 with IQ/IQ. The predeposition at 350°C, which decreased the full width at half maximum of the broad D band, further increased N d to 5 x 10 7 /cm 2 . With 300 A Pt overlayer on the interlayer, Md was much more enhanced to 8 x 107/cm2. We suggest that the sp3 bonded carbon clusters within the interlayer contribute to diamond nucleation but they should be survived against atomic hydrogen etching during diamond deposition by increasing the sp3/sp2 ratio, by increasing the degree in clustering, or by protecting them with overlayer. Order No.: JA803-010 © 1998 MRS Optical properties of nanometer-sized CdO organosol X. Wu*, R. Wang*, L. Wang* S. Liu*, J. Xu*, B. Zou+ ('Chinese Academy of Sciences, ^National University of Singapore) In this paper, nanometer-sized CdO organosol was prepared by using microemulsion methods. Its electronic structure and optical properties are characterized through UV-visible light absorption, photoluminescence and Z-scan techniques. Some new features were observed. Fluorescence and nonlinear optical responses are mainly related to surface trapped states. Order No.: JA803-011 ©1998 MRS Characterization of superdislocation dissociations in AI66Ti25Crg with transmission electron microscopy observations and image simulations M. Kumar, K.J. Hemker (The Johns Hopkins University) The nature of dissociated superlattice dislocation cores in AI66Ti25Cr9, deformed at room temperature, has been characterized by weak-beam transmission electron microscopy (TEM) and comparison of experimental images with computer simulated images. The displacement fields associated with narrowly dissociated APB- and SISF-dissociated superdislocations were calculated to account for the asymmetry in dislocation contrast and led to a better understanding of the formation of images. Such calculations are a powerful aid, when coupled with image simulations, in distinguishing the "real" intensity peaks from the supplementary peaks that can be generated under experimental imaging conditions. While both APB- and SISF-dissociated superdislocations were identified, the vast majority of superdislocations were determined to be APB-associated. Corrected values of the fault energies ( / P B and -fISf) have
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