ISSN 0959-9428 JMACEP(3) 367-499 (1994) Journal of Materials Chemistry Synthesis, structures, properties and applications of materials, particularly those associated with advanced technology The first seven papers in this issue were submitted in association with the 1st International Conference on Materials Chemistry held in Aberdeen in July 1993. CONTENTS 367 Nanocomposite materials: Polyaniline-intercalated layered double hydroxides T. Challier and R. C. T. Slade 373 Composite materials based on Ti and Ru oxides M. I. Ivanovskaya, V. V. Romanovskaya and G. A. Branitsky 3 79 Preparation and characterization of imidazole-metal complexes and evaluation of cured epoxy networks J. M. Barton, G. J. Buist, I. Hamerton, B. J. Howlin, J. R. Jones and S. Liu 385 Kinetic and simulation studies of linear epoxy systems I.P. Aspin, J. M. Barton, G. J. Buist, A. S. Deazle, I. Hamerton, B. .1. Howlin and J. R.Jones 389 Pyrochlore-like compounds derived from antimonic acid A. J. G. Zarbin and 0.L. Alves 393 Silicon-germanium films for photomasking applications C-W. Liu, J. A. Cairns, R.A. G. Gibson, A. C. Hourd, B. Lawrenson and C. F. Leece 399 Synthesis of QMD and QD polyorganosiloxanes from tetrakis( trimethylsi1oxy)silane and palabora vermiculite J. E. Connell, D. ap Kendrick, G. Marks, J. R. Parsonage, M. J. K. Thomas and E. A. Vidgeon 407 High-purity WO, Sol-gel coatings: Synthesis and characterization L. Armelao, R. Bertoncello, G. Granozzi, G. Depaoli, E. Tondello and G. Battaglin 413 Thermal expansion of hot isostatically pressed hydroxyapatite 0.Babushkin, T.Lindback, A. Holmgren, J. Li and L. Hermansson 417 Influence of ionic substitution on the magnetic behaviour of Y2Cu,0, Q. Su, X.Cao and H. Wang 42 1 Mixed oxides of SbV as catalysts for the oxidative coupling of methane P. D. Battle, S. W. Carr, F. A. Copplestone and R. S. Mellen 429 Semiflexible liquid-crystalline polyesters based on twin bis( p-oxybenzoyl) units Part 1.-Effect of spacer length on mesomorphic behaviour G. Galli, E. Chiellini, M. Laus, A. S. Angeloni and M. C. Bignozzi 437 Semiflexible liquid-crystalline polyesters based on twin bis(p-oxybenzoyl) units Part 2.-Effect of molar mass on mesomorphic behaviour M. Laus, A. S. Angeloni, A. Spagna, G. Galli and E. Chiellini 445 Synthesis and crystal structure of Li,NaTa,O,, J.Grins, L. Baiios, D. C. Sinclair and A. R. West 449 Mesophasic helical structures with high twisting power in optically active 3-methyladipic acid bis esters A. Yoshizawa and I. Nishiyama 457 Polymorphism and crystal chemistry of Li,,,Ga,,,GeO,, an Li3P04 Analogue A. D. Robertson and A. R.West 463 Crystal structure of the ternary siiicide U,RuSi,: A new ordered version of the hexagonal A1B2-type structure R.Pottgen, P. Gravereau, B. Darriet, B. Chevalier, E. Hickey and J. Etourneau 469 Selection of appropriate systems for flux growth of single-crystal YBa,Cu,O,-, C. Chen, J. W. Hodby, Y. Hu and B. M. Wanklyn 475 Quaternary uranium copper oxides: The structure and properties of UBa,CuO, M. D. Marcos and J.P. Attfield 479 Mesomorphic complexes of silver trifluoromethanesulfonate and silver dodecylsulfate with 2-and 3-fluoro-4-alkoxy-4-stilbazoles D. W. Bruce and S. A. Hudson 487 Surface studies of polyethylene modified by flame treatment E. Sheng, I. Sutherland, D. M. Brewis, R.J. Heath and R. H. Bradley 491 Controlled combustion synthesis and properties of fine-particle NASICON materials N. A. Dhas and K. C. Patil 499 Book Reviews Van Grieken; Sundholm 1 Cumulative Author Index 1994 11 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.