ISSN 0959-9428 JMACEP(9) 7 359-7 509 ( 1994) Journal of Materials Chemistry Synthesis, structures, properties and applications of materials, particularly those associated with advanced technology CONTENTS 359 Synthesis of high refractive index acrylic copolymers T. P. Davis, M. J. Gallagher, M. G. Ranasinghe and M. D. Zarnmit 365 Inversion of chirality-dependent properties in helical liquid crystals: effects of structural modification P. Styring, J. D. Vuijk, S. A. Wright, K. Takatoh and C. Dong 377 Magneto-structural correlation in a series of iodide salts of p-N-alkylpyridinium nitronyl nitroxides: Dependence of tht: iodide- pyridinium ring interaction on the length of the N-alkyl chain K. Awaga, A. Yamaguchi, T. Okuno, T. Inabe, T. Nakarnura, M. Matsumoto and Y.Maruyarna 387 Polymer-mediated crystallisation of inorganic solids: Calcite nucleation on the surfaces of inorganic polymers K. K. W. Wong, B. J. Brisdon, B. R.Heywood, A. G. W. Hodson and S. Mann 393 MOCVD of high-quality YBazCu,07-, films: in situ preparation of fluorine-free layers from a fluorinated barium source I. M. Watson, M. P. Atwood, D. A. Cardwell and T. J. Cumberbatch 1403 Growth of TiO, overlayers by chemical vapour deposition on a single-crystal copper substrate Y. M. Wu and R. M. Nix 1409 Growth of PbS thin films from novel precursors by atomic layer epitaxy E. Nykanen, J. Laine-Ylijoki, P. Soininen, L. Yinistii, M. Leskela and L. G. Hubert-Pfalzgraf 1413 Thermodynamic and kinetic properties of lithium insertion into titanium misfit layer sulfides P.Lavela, J. Morales and J. L. Tirado 1419 Intercalation of large cluster cations in TaS, L. F. Nazar and A. J. Jacobson 1427 Selectivity and composition dependence of response of gas-sensitive resistors. Part 1.-Propane-carbon monoxide selectivity of Ba,Fe,Nb,,-,O,, (1 dx d2) G. S. Henshaw, L. J. Gellman and D. E. Williams 1433 Influence of chlorine-oxygen substitution on the electrical properties of some oxychloride tellurite glasses J. M. Rojo, P. Herrero, R. M. Rojas, J. Sanz, J. M. RCau, S. Rossignol, B. Tanguy and J. Portier Uo.4Pro.6)02+x1437 Electrode kinetic behaviour of (Uo.4Pro.6)02~JYSZ/( cells S. P. S. Badwal 1441 Phase diagrams and stoichiometries of the solid electrolytes, Bi4V201, :M, M =Co,Cu, Zn, Ca, Sr C.K. Lee, G. S. Lirn and A. R.West 1445 Reinterpretation of the magnetic structures of the perovskites SrFeO,,,,, and Sr,LaFe,O,.,,, T. C. Gibb 1451 Synthesis under high pressure and characterisation by Mossbauer spectroscopy of non-stoichiometric CazFezO,,,z T. C. Gibb, A. J. Herod, D. C. Munro and N. Peng 1457 YMoO, revisited: The crystal structure of Y5MO,O,, N. J. Stedrnan, A. K. Cheetham and P. D. Battle 1463 Neutron diffraction structural study of the Nasicon-related phases Li,M1l,M1ll, -,(SO4),-y( Se04),( MI1= Mg, Ni, Zn; Mi'' =PI, Cr) P. R. Slater and C. Greaves 1469 Powder neutron diffraction study of the Nasicon-related phases Na,Mn,M'112 --x (SO,), -,( SO,),: MI1= Mg, M" =Fe, In P. R. Slater and C. Greaves 1475 Single-crystal study of topotactic changes between NH4V03 and V205 A.Shimizu, T. Watanabe and M. Inagaki 1479 Synthesis, characterization, chemisorption and thermodynamic data of urea immobilized on silica C. Airoldi and M. R. M. C. Santos 1487 Electrogeneration of base by cathodic reduction of anions: novel one-step route to unary and layered double hydrc )xides (LDHs) L. Indira and P. V. Kamath 1491 Effect of thermal treatment on microporous accessibility in aluminium pillared clays A. Gil and M. Montes 1497 High-speed preparation of metal oxide fine powders by microwave cold plasma heating K. Sugiyama, Y. Nakano, H. Aoki, Y. Takeuchi and T. Matsuda 1503 Catalytic activity of aluminas obtained by the thermal decomposition of mechanically ground alumina monohydrates, u-and P-Al,03.Hz0 T.Tsuchida, S. Ohta and K. Horigorne 1507 Book reviews: C. Greaves; C. Booth; N. C. Billingham; G. S. Simpson; G. J. Gittens i 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.