Abstracts for March 1996 Journal of Materials Research

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stracts for March 1996 Journal of Materials Research

Volume 11, Number 3

TABLE OF CONTENTS COMMUNICATIONS Current-voltage hysteresis in GdBa2Cu3O7.6 ceramics in air at room temperature Y. Kurihara, T. Okamoto, B. Huybrechts, M. Takata Scanning electron microscopy observations of misfit dislocations in epitaxial ln 0 25 Ga 0 75As on GaAs(001) R.R. Keller, J.M. Phelps

The role of ordered A r site vacancies in belt nano-domains of Pb1.xBaxNb2O6 (PBN) solid solution X. Xiao, Y. Xu, Z. Zeng, Z. Gui, L Li, X. Zhang Elevated temperature deformation of fine-grained La 0 9 Sr 0 1 MnO 3 J. Wolfenstine, T.R. Armstrong, W.J. Weber, M.A. Boling-Risser, K.C. Goretta, J.L. Routbort

ARTICLES

Preparation of NiFe2O4 powder by spray pyrolysis of nitrate aerosols in NH3 H-F. Yu, A.M. Gadalla

Controlled decomposition and reformation of the 2223 phase in Ag-clad (Bi,Pb)2Sr2Ca2Cu3Ox tapes and its influence on the microstructure and critical current density J.A. Parrell, Y. Feng, S.E. Dorris, D.C. Larbalestier

Microstructural development of ZnO using a rate controlled sintering dilatometer G. Agarwal, R.F. Speyer, W.S. Hackenberger

The demonstration of Y2BaCu05 particle segregation in meltprocessed YBa2Cu307.x through a computer visualization model C. Varanasi, M.A. Black, P.J. McGinn

Hydroxyapatite coatings with a bond coat of biomedical implants by plasma projection D. Lamy, A.C. Pierre, R.B. Heimann

Rapidly quenched Y-Pd-B-C borocarbides: Identification of the superconducting metastable phases V. Strom, K.S. Kim, A.M. Grishin, K.V. Rao

Effective optical constants n and K and extinction coefficient of silica aerogel J.S.Q. Zeng, R. Greif, P. Stevens, M. Ayers, A. Hunt

Growth defects in GaN films on sapphire: The probable origin of threading dislocations X.J. Ning, F.R. Chien, P. Pirouz, J.W. Yang, M. Asif Khan

On the optimization of a DC arcjet diamond chemical vapor deposition reactor S.W. Reeve, W.A. Weimer, D.S. Dandy

Microstructural changes in welded Zn-AI alloy Y.H. Zhu

Synthesis of stoichiometric lead molybdate PbMoO4: An x-ray diffraction, Fourier transform infrared spectroscopy and differential thermal analysis study H.C. Zeng

A study of solid-state amorphization in Zr-30 at.% Al by mechanical attrition A. Biswas, G.K. Dey, A.J. Haq, D.K. Bose, S. Banerjee Low-temperature structures of the second stage cesium graphitide and effect of trace impurities L. Duclaux, I. Rannou, M. Lelaurain, F. Be'guin Effects of lanthanum modification on rhombohedral Pb(Zr1.xTix)O3 ceramics: Part I. Transformation from normal to relaxor ferroelectric behaviors X. Dai, Z. Xu, J-F. Li, D. Viehland Effects of lanthanum modification on rhombohedral Pb(Zr1.xTix)O3 ceramics: Part II. Relaxor behavior vs. enhanced antiferroelectric stability X. Dai, Z. Xu, J-F. Li, D. Viehland Sol-gel synthesis of microcrystalline rare earth orthophosphates Y. Guo, P. Woznicki, A. Barkatt, E.E. Saad, I.G. Talmy

Space filling by nucleation and growth in chemical vapor deposition of diamond J. Stiegler, Y. von Kaenel, M. Cans, E. Blank The extent of solid solu