ISSN 0959-9428 JMACEP(8) 1159-1358 (1994) Journal of Materials Chemistry Synthesis, structures, properties and applications of materials, particularly those associated with advanced technology CONTENTS 11 59 A convergent synthesis of extended aryl ester dendrimers W. J. Feast and N. M. Stainton 1167 Curing reactions in acetylene-terminated resins. Part 5.-Cyclotrimerization versus linear polyene formation in the catalysed cure of ethynylaryl-terminated monomers W. E. Douglas and A. S. Overend 1173 Examination of the structural features necessary for mesophase formation with aroylhydrazinato-nickel@) and -copper(n) complexes M. N. Abser, M. Bellwood, C. M. Buckley, M. C. Holmes and R. W. McCabe 1181 Gelation of silicone fluids using cholesteryl esters as gelators V.J. Bujanowski, D. E. Katsoulis and M. J. Ziemelis 1189 Interfacial chemistry and mechanical effects of a multifunctional processing additive on carbon black filled rubber R. H. Bradley, E.Sheng, I. Sutherland, P. K. Freakley and H. Ismail 1195 Aggregation control by vapour phase and heat treatments in Langmuir-Blodgett films of amphiphilic heteroarylazo dyes N. Kuramoto and M. Dan 1201 Electrochromic behaviour and X-ray structure analysis of a Pechmann dye, (E)-5,5’-diphenyl-3,3’-bifuranylidene-2,2’-dioneJ. Silver, M. T. Ahmet, K. Bowden, J. R. Miller, S. Rahmat, C. A. Reynolds, A. Bashall, M. McPartlin and J. Trotter 1205 Monolayer behaviour and Langmuir-Blodgett film properties of some amphiphilic phthalocyanines: Factors influencing molecular organisation within the film assembly M.J. Cook, J. McMurdo, D. A. Miles, R. H. Poynter, J. M. Simmons, S. D. Haslam, R. M. Richardson and K. Welford 1215 Cyclic voltammetry of zeolite-supported manganese porphyrins L. Gaillon, F. Bedioui and J. Devynck 1219 Magnetic properties and crystal structure of the p-fluorophenyl nitronyl nitroxide radical crystal: Ferromagnetic intermolecular interactions leading to a three-dimensional network of ground triplet dimeric molecules Y.Hosokoshi, M. Tamura, M. Kinoshita, H. Sawa, R.Kato, Y. Fujiwara and Y. Ueda 1227 Synthesis and optical spectroscopy of linear long-chain di-terminal alkynes and their Pt-o-acetylide polymeric complexes M. S. Khan, A. K. Kakkar, N. J. Long, J. Lewis, P. R. Raithby, P.Nguyen, T. B. Marder, F. Wittmann and R. H. Friend 1233 Soluble nickel bis(dithio1ene) oligomers for third-order non-linear optical studies C. A. S. Hill, A. Charlton, A. E. Underhill, S. N. Oliver, S. Kershaw, R. J. Manning and B. J. Ainslie 1239 In situ study of a strontium P-diketonate precursor for thin-film growth by atomic layer epitaxy J. Aarik, A. Aidla. A. Jaek, M. Leskela and L. Niinisto 1245 Investigations into the growth of A1N by MOCVD using trimethylsilylazide as nitrogen source J. Auld, D. J. Houlton, A. C. Jones, S. A. Rushworth and G. W. Critchlow 1249 Growth of ZnO by MOCVD using alkylzinc alkoxides as single-source precursors J. Auld, D. J. Houlton, A. C. Jones, S. A. Rushworth, M. A. Malik, P. O’Brien and G. W. Critchlow 1255 Characterization of Ru0,-based film electrodes by secondary ion mass spectrometry S.Daolio, B. Facchin, C. Pagura, A. De Battisti, A. Barbieri and J. Kristb 1259 Improvement of copper oxide-tin oxide sensor for dilute hydrogen sulfide T. Maekawa, J. Tamaki, N. Miura and N. Yamazoe 1263 Porosity of pyrolysed sol-gel waveguides J. J. Ramsden 1267 Sol-gel synthesis of superconducting YBa,Cu,O, using acetate and tartrate precursors A. Kareiva, M. Karppinen and L. Niinisto 1271 Preparation of single-phase Pb( Mg,,,Nb,,,)O, samples utilizing information from solubility relationships in the Pb-Mg- Nb-citric acid-H,O system J-H. Choy, Y-S. Han, S-W. Song and SH. Chang 1275 Synthesis and characterization of Ni,Sb,(OEt),, and its hydrolysis products G.Westin and M. Nygren 1283 Hydrothermal modification of electrocatalytic and corrosion properties in nanosize particles of ruthenium dioxide hydrate H. N. McMurray 1289 Determination of the potential limits for W03 colouration P. Shen and A. C. C. Tseung 1293 Phases in the Zr,Ta, -x(O,N)y system, formed by ammonolysis of Zr-Ta gels: Preparation of a baddeleyite-type solid solution phase Zr,Ta, -,O1 +,N, -,, 0 <x <1 J. Grins, P-0. Ka11 and G. Svensson 1303 Li,Ni,Ta06: A novel rock salt superstructure phase with partial cation order J. G. Fletcher, G. C. Mather, A. R. West, M. Castellanos and M. P. Gutierrez 1307 Synthesis and properties of a new p polymorph of Li,CrO, M. A. K. L. Dissanayake, S. Garcia-Martin, R. Saez-Puche, H. H. Sumathipala and A.R. West 1309 Inelastic neutron scattering study of hydrogen embrittlement in titanium alloys P. J. Branton, G. Burnell, P. G. Hall and J. Tomkinson 1313 Examination of the orientation dependence of the quasielastic scattering of neutrons by pellicular zirconium phosphate film R. C. T. Slade, H. A. Pressman, A. Peraio and M. Casciola 1319 Novel structural arrangement for divalent metal phosphonates: Synthesis of tert-butylphosphonates and structure of Co[(CO,)CPO,]-H,O J. Le Bideau, A. Jouanneaux, C. Payen and B. Bujoli 1325 Intercalation of polymerized 3-methyl- and 3,4-dimethyl-pyrrole in the VOPO, interlayer space H. Nakajima and G-e. Matsubayashi 1331 Zirconia formation by reaction of zirconium sulfate in molten alkali-metal nitrates or nitrites H.A1 Raihani, B. Durand, F. Chassagneux,D. H. Kerridge and D. Inman 1337 Ion exchange of ruthenium cationic complexes by a-tin(rv) bismonohydrogenphosphate M. J. Hudson and A. D. Workman 1343 Novel preparation of highly dispersed tungsten oxide on silica S. Colque, E. Payen and P. Grange MATERIALS CHEMISTRY COMMUNICATIONS 1349 Red bismuth emission in alkaline-earth-metal sulfates M. A. Hamstra, H. F. Folkerts and G. Blasse 1351 First ferrocene-containing side-chain liquid-crystalline polymers R. Deschenaux, I. Kosztics, U. Scholten, D. Guillon and M. Ibn-Elhaj 1353 Superconductivity up to 95 K in mercury-substituted 1212 thallium cuprates (T1,Hg),Srz+,,Nd, -,Cu,O, +6 F. LetouzC, S. Peluau, C. Michel, A. Maignan, C.Martin, M. Hervieu and B. Raveau ~~ ~ ~ 1357 Book Reviews: J. R. G. Thorne; J. H. Braybrook; G. C. Fettis 1 Cumulative Author Index ... 111 Conference Diary Note: Where an asterisk appears against the name of one or more authors, it is included with the authors’ approval to indicate that correspondence may be addressed to this person. COPIES OF CITED ARTICLES The Royal Society of Chemistry Library can usually supply copies of cited articles. For further details contact: The Library, Royal Society of Chemistry, Burlington House, Piccadilly, London W1V OBN, UK. Tel: +44 (0)71-437 8656, Fax: +44 (0)71-287 9798, Telecom Gold 84: BUR210, Electronic Mailbox (Internet) LIBRARY@RSC.ORG. If the material is not available from the Society’s Library, the staff will be pleased to advise on its availability from other sources. Please note that copies are not available from the RSC at Thomas Graham House, Cambridge. I I