K. Kordesch and G. Simader, Fuel Cells and their applications, VCH, 1996.

A. Eisenberg, Clustering of Ions in Organic Polymers. A Theoretical Approach, Macromolecules, vol.3, issue.2, p.147, 1970.
DOI : 10.1021/ma60014a006

L. Rubatat, A. L. Rollet, G. Gebel, and O. Diat, Evidence of Elongated Polymeric Aggregates in Nafion, Macromolecules, vol.35, issue.10, p.4050, 2002.
DOI : 10.1021/ma011578b

K. A. Mauritz and R. B. Moore, State of Understanding of Nafion, Chemical Reviews, vol.104, issue.10, p.4535, 2004.
DOI : 10.1021/cr0207123

W. Y. Hsu and T. D. Gierke, Ion transport and clustering in nafion perfluorinated membranes, Journal of Membrane Science, vol.13, issue.3, p.307, 1983.
DOI : 10.1016/S0376-7388(00)81563-X

K. D. Kreuer, On the development of proton conducting materials for technological applications, Solid State Ionics, vol.97, issue.1-4, p.1, 1997.
DOI : 10.1016/S0167-2738(97)00082-9

T. Zawodzinski, T. Springer, F. Uribe, and G. Shimshon, Characterization of polymer electrolytes for fuel cell applications, Solid State Ionics, vol.60, issue.1-3, p.199, 1993.
DOI : 10.1016/0167-2738(93)90295-E

K. D. Kreuer, A. Rabenau, and W. Weppner, Vehicle Mechanism, A New Model for the Interpretation of the Conductivity of Fast Proton Conductors, Angewandte Chemie International Edition in English, vol.49, issue.4, p.208, 1982.
DOI : 10.1002/anie.198202082

K. D. Kreuer, Proton Conductivity:?? Materials and Applications, Chemistry of Materials, vol.8, issue.3, p.610, 1996.
DOI : 10.1021/cm950192a

J. Lassègues, J. Grondin, M. Hernandez, and B. Marée, Proton conducting polymer blends and hybrid organic inorganic materials, Solid State Ionics, vol.145, issue.1-4, p.37, 2001.
DOI : 10.1016/S0167-2738(01)00909-2

. Wieczorek, The effect of solvent and proton donor type in the conductivity and physicochemical properties of poly(vinylidene fluoride)-based proton conducting gel electrolytes, Solid State Ionics, vol.136, p.1205, 2000.

J. Wainright, J. Wang, D. Weng, R. Savinell, and M. Litt, Acid-doped membranes, p.436, 1996.

S. Periao, E. Besse, and . Ramunni, Electrochemical characterisation of sulfonated polyetherketone membranes, Journal of New Materials for Electrochemical Systems, vol.3, p.98, 2000.

J. Jolivet, « De la solution à l'oxyde, Interéditions / CNRS Editions, 1994.

G. K. Senadeera, M. A. Careem, S. Skaarup, and K. West, Enhanced ionic conductivity of poly(ethylene imine) phosphate, Solid State Ionics, vol.85, issue.1-4, p.37, 1996.
DOI : 10.1016/0167-2738(96)00038-0

D. Carrière, P. Barboux, F. Chaput, O. Spalla, and J. Boilot, Enhanced connectivity in hybrid polymers, Solid State Ionics, vol.145, issue.1-4, p.141, 2001.
DOI : 10.1016/S0167-2738(01)00924-9

S. Panero, F. Ciuffa, A. D. Epifano, and B. Scrosati, New concepts for the development of lithium and proton conducting membranes, Electrochimica Acta, vol.48, issue.14-16, p.2009, 2003.
DOI : 10.1016/S0013-4686(03)00179-8

G. Zukowska, M. Rogowska, E. Weczkowska, and W. Wieczorek, Proton conducting polymer gel electrolytes, Solid State Ionics, vol.119, issue.1-4, p.289, 1999.
DOI : 10.1016/S0167-2738(98)00516-5

A. Bauer, E. Peraio, and . Ramunni, Hybrid organic-inorganic membranes for medium temperature fuel cell, Journal of New Materials for Electrochemical Systems, vol.3, p.87, 2000.

D. J. Jones and J. Rozière, Recent advances in the functionalisation of polybenzimidazole and polyetherketone for fuel cell applications, Journal of Membrane Science, vol.185, issue.1, p.41, 2001.
DOI : 10.1016/S0376-7388(00)00633-5

G. Alberti and M. Casciola, Phosphates and phosphonates of tetravalent metals as protonic conductors, Proton Conductors, p.238, 1992.
DOI : 10.1017/CBO9780511524806.017

G. Alberti, M. Casciola, U. Constantino, A. Peraio, and E. Montoneri, Protonic conductivity of layered zirconium phosphonates containing ???SO3H groups. I. Preparation and characterization of a mixed zirconium phosphonate of composition Zr(O3PR)0.73(O3PR???)1.27??nH2O, with R=???C6H4???SO3H and R??? = ???CH2???OH, Solid State Ionics, vol.50, issue.3-4, p.315, 1992.
DOI : 10.1016/0167-2738(92)90235-H

G. Alberti, M. Casciola, R. Palombari, and A. Periao, Protonic conductivity of layered zirconium phosphonates containing -SO3H groups. II. Ac conductivity of zirconium alkyl-sulphophenyl phosphonates in the range 100???200??C, in the presence or absence of water vapour, Solid State Ionics, vol.58, issue.3-4, p.339, 1992.
DOI : 10.1016/0167-2738(92)90138-F

G. Alberti, U. Constantino, M. Casciola, S. Ferroni, L. Massinelli et al., Preparation, characterization and proton conductivity of titanium phosphate sulfophenylphosphonate, Solid State Ionics, vol.145, issue.1-4, p.249, 2001.
DOI : 10.1016/S0167-2738(01)00948-1

G. Alberti, M. Casciola, E. D-'alessandro, and M. Pica, Preparation and proton conductivity of composite ionomeric membranes obtained from gels of amorphous zirconium phosphate sulfophenylenphosphonates in organic solvents, Journal of Materials Chemistry, vol.14, issue.12, p.1910, 2004.
DOI : 10.1039/b400467a

M. Chatry, M. Henry, and J. Livage, Synthesis of non-aggregated nanometric crystalline zirconia particles, Materials Research Bulletin, vol.29, issue.5, pp.29-34, 1994.
DOI : 10.1016/0025-5408(94)90040-X

A. Clearfield, Crystalline Hydrous Zirconia, Inorganic Chemistry, vol.3, issue.1, p.146, 1964.
DOI : 10.1021/ic50011a034

S. A. Matchett, Hydrothermal process for producing zirconia sol, US Patent, vol.5037, p.579, 1991.

I. Charissou, Synthèse hydrothermale d' oxyde et d' hydroxyde nanométrique : zircone (ZrO 2 ) et boehmite (AlOOH, Thèse, 1996.

H. Vesteghem, I. Charissou, and H. Reveron, Hydrothermal Synthesis of Colloidal Zirconia, Key Engineering Materials, vol.132, issue.136, pp.136-129, 1997.
DOI : 10.4028/www.scientific.net/KEM.132-136.129

D. Carrière, M. Moreau, K. Lahlil, P. Barboux, and J. Boilot, Proton conductivity of colloidal nanometric zirconium phosphates, Solid State Ionics, vol.162, issue.163, pp.162-163, 2003.
DOI : 10.1016/S0167-2738(03)00226-1

D. Carrière, M. Moreau, P. Barboux, J. Boilot, and O. Spalla, Modification of the Surface Properties of Porous Nanometric Zirconia Particles by Covalent Grafting, Langmuir, vol.20, issue.8, pp.20-3449, 2004.
DOI : 10.1021/la036249m

H. M. Rietveld, A profile refinement method for nuclear and magnetic structures, Journal of Applied Crystallography, vol.2, issue.2, p.65, 1969.
DOI : 10.1107/S0021889869006558

N. Alcock, V. Tracy, and T. Waddington, Acetates and aceto-complexes

Z. Bujoli, G. Gan, and . Hoatson, Modelling one-and two-dimensional Solid State NMR Spectra, Magnetic Resonance in Chemsitry, vol.40, p.70, 2002.

V. Adeeva, J. W. De-haan, J. Jänchen, G. D. Lei, V. Schünemann et al., Acid Sites in Sulfated and Metal-Promoted Zirconium Dioxide Catalysts, Journal of Catalysis, vol.151, issue.2, p.364, 1995.
DOI : 10.1006/jcat.1995.1039

T. Mitsuhashi, M. Ichihara, and U. Tatsuke, Characterization and Stabilization of Metastable Tetragonal ZrO2, Journal of the American Ceramic Society, vol.10, issue.6619, p.97, 1974.
DOI : 10.1021/ic50011a034

M. Deschamp, B. Djuricic, and S. Pickering, Structure of zirconia prepared by homogeneous precipitation, Journal of the American Ceramics Society, vol.2873, p.78, 1995.

M. Brun, A. Lallemand, J. Quinson, and C. Eyraud, A new method for the simultaneous determination of the size and shape of pores: the thermoporometry Adsorption of gases in multimolecular levels, Thermochimica Acta Journal of the American Chemical Society, vol.60, p.309, 1938.

G. Mekmeker, Characterization of phosphated zirconia by XRD, Raman and IR spectroscopy, Colloids and Surfaces A: Physicochemical and Engineering Aspects, vol.141, p.227, 1998.

W. A. Schafer and P. W. Carr, Physical and chemical characterization of a porous phosphate-modified zirconia substrate, Journal of Chromatography A, vol.587, issue.2, p.137, 1991.
DOI : 10.1016/0021-9673(91)85150-E

S. Dumon and H. Barnier, Ultrafiltration of protein solutions on ZrO2 membranes. The influence of surface chemistry and solution chemistry on adsorption, Journal of Membrane Science, vol.74, issue.3, p.289, 1992.
DOI : 10.1016/0376-7388(92)80068-U

N. J. Calyden, Solid-state nuclear magnetic resonance spectroscopic study of ?zirconium phosphate, Journal of the Chemical Society, p.1877, 1987.

M. Casciola and D. Bianchi, Frequency response of polycrystalline samples of ?????Zr(HPO4)2??H2O at different relative humidities???, Solid State Ionics, vol.17, issue.4, p.287, 1985.
DOI : 10.1016/0167-2738(85)90073-6

E. W. Stein, A. Sr, M. A. Clearfield, and . Subramanian, Conductivity of group IV metal sulfophosphonates and a new class of interstratified metal amine-sulfophosphonates, Solid State Ionics, vol.83, issue.1-2, p.113, 1996.
DOI : 10.1016/0167-2738(95)00215-4

G. Alberti and M. Casciola, Layered metal IV phosphonates, a large class of inorganoorganic proton conductors, Solid State Ionics, vol.7, p.177, 1997.

A. Bauer, E. Peraio, and . Ramunni, Hybrid organic-inorganic membranes for a medium temperature fuel cell, Journal of New Materials for Electrochemical Systems, vol.3, issue.2, p.87, 2000.

G. Alberti, U. Costantino, M. Casciola, S. Ferroni, L. Massinelli et al., Preparation, characterization and proton conductivity of titanium phosphate sulfophenylphosphonate, Solid State Ionics, vol.145, issue.1-4, p.249, 2001.
DOI : 10.1016/S0167-2738(01)00948-1

G. Alberti, M. Casciola, E. , and M. Pica, Preparation and proton conductivity of composite ionomeric membranes obtained from gels of amorphous zirconium phosphate sulfophenylenphosphonates in organic solvents, Journal of Materials Chemistry, vol.14, issue.12, p.1910, 2004.
DOI : 10.1039/b400467a

G. Alberti, M. Casciola, A. Donnadio, P. Piaggio, M. Pica et al., Preparation and characterisation of ??-layered zirconium phosphate sulfophenylenphosphonates with variable concentration of sulfonic groups, Solid State Ionics, vol.176, issue.39-40, p.2893, 2005.
DOI : 10.1016/j.ssi.2005.09.042

E. Montoneri and M. C. Gallazi, Organosulfur phosphorous acid compounds. Part 1. msulfophenylphosphonic acid, Journal of the Chemical Society Dalton Transactions, p.1819, 1989.

D. J. Burton, A. S. Modak, R. Guneratne, D. Su, W. Cen et al., Synthesis of (sulfodifluoromethyl)phosphonic acid, Journal of the American Chemical Society, vol.111, issue.5, p.1773, 1989.
DOI : 10.1021/ja00187a033

T. Mahmood and J. M. Shreeve, Simple Preparation of Dialkyl Polyfluoroalkyl Phosphonates, Synthetic Communication, p.71, 1987.
DOI : 10.1055/s-1979-28781

W. Jost, Diffusion in solids, liquid, gases, 1960.

R. C. Weast, Handbook of Chemistry and Physics 56 th edition, 1976.

L. Mécanismes-de-relaxation and .. , 90 1.2.1 Mécanismes de relaxation pour des spins 194 1.2.2 Relaxation par interaction dipolaire, p.97

É. Mise-en-Évidence-de-la-présence-de-protons, 106 2.1 Spectres à température ambiante et humidité relative moyenne, p.106

.. Mesures-des-temps-de-relaxation, Séquences de mesures des temps de relaxation, p.114

A. Abragam, The Principles of Nuclear Magnetism, 1961.

D. Canet, La RMN, Concepts et méthodes, 1991.

C. P. Schlichter, Principles of magnetic resonance, 1963.

R. K. Harris, Nuclear Magnetic Resonance Spectroscopy, A physicochemical view, Longman Scientific, 1986.

F. Bloch, Nuclear Induction, Physical Review, vol.70, issue.7-8, p.460, 1946.
DOI : 10.1103/PhysRev.70.460

N. Bloembergen, E. M. Purcell, and R. V. Pound, Relaxation Effects in Nuclear Magnetic Resonance Absorption, Physical Review, vol.73, issue.7, p.679, 1948.
DOI : 10.1103/PhysRev.73.679

I. Solomon, Relaxation Processes in a System of Two Spins, Physical Review, vol.99, issue.2, p.559, 1955.
DOI : 10.1103/PhysRev.99.559

P. Debye, Polar Molecules, 1945.

R. C. Slade, C. R. Forano, A. Peraio, and G. Alberti, A 1H NMR relaxation time study of dynamic processes in zirconium phosphates of differing crystallinities and in related compounds, Solid State Ionics, vol.61, issue.1-3, p.23, 1993.
DOI : 10.1016/0167-2738(93)90330-6

M. Mizuno and S. Hayashi, Proton dynamics in phase II of CsHSO4 studied by 1H NMR, Solid State Ionics, vol.167, issue.3-4, p.317, 2004.
DOI : 10.1016/j.ssi.2003.09.012

S. Hayashi and M. Mizuno, Proton dynamics in phase II of CsHSO4 as probed by 1H spin???lattice relaxation, Solid State Communications, vol.132, issue.7, p.443, 2004.
DOI : 10.1016/j.ssc.2004.08.026

S. Hayashi and M. Mizuno, Proton diffusion in the superprotonic phase of CsHSO 4

S. Hayashi and M. Mizuno, Proton dynamics in Cs2(HSO4)(H2PO4) studied by 1H NMR, Proton dynamics in Cs 2 (HSO 4 )(H 2 PO 4 ) studied by 1 H NMR, p.745, 2005.
DOI : 10.1016/j.ssi.2004.10.008

M. Pham-thi, . Ph, A. Colomban, R. Novak, and . Blinc, Phase transitions in superionic protonic conductors CsHSO4 and CsHSeO4, Solid State Communications, vol.55, issue.4, p.265, 1985.
DOI : 10.1016/0038-1098(85)90605-2

J. C. Badot, . Ph, and . Colomban, RF-microwave dielectric relaxations and phase transitions in superionic protonic acid sulphates (selenates), Solid State Ionics, vol.35, issue.1-2, p.143, 1989.
DOI : 10.1016/0167-2738(89)90024-6

A. I. Baranov, L. A. Shuvalov, N. M. Shchagina, and . Superion, Conductivity and Phase- Transitions in CsHSO4 and CsHSeO4 crystals, JETP Letters, vol.36, p.459, 1982.

T. Norby, M. Friesel, and B. E. Mellander, Proton and deuteron conductivity in CsHSO4 and CsDSO4 by in situ isotopic exchange, Solid State Ionics, vol.77, p.15, 1995.
DOI : 10.1016/0167-2738(94)00228-K

X. Xie, M. Satozawa, K. Kunimori, and S. Hayashi, NMR study of pore surface and size in the mesoporous material FSM-16, Microporous and Mesoporous Materials, vol.39, issue.1-2, p.25, 2000.
DOI : 10.1016/S1387-1811(00)00170-0

S. Haufe, D. Prochnow, D. Schneider, O. Geier, D. Freude et al., Polyphosphate composite: conductivity and NMR studies, Solid State Ionics, vol.176, issue.9-10, p.955, 2005.
DOI : 10.1016/j.ssi.2004.12.004

I. Gnatyuk, G. Puchkovska, I. Chashechnikova, F. Nozirov, B. Jurga et al., 1H NMR study of hydrogen bonding and molecular dynamics of 5CB confined to molecular sieves, Journal of Molecular Structure, vol.700, issue.1-3, p.183, 2004.
DOI : 10.1016/j.molstruc.2004.01.048

A. Clearfield and J. A. Stynes, The preparation of crystalline zirconium phosphate and some observations on its ion exchange behaviour, Journal of Inorganic and Nuclear Chemistry, vol.26, issue.1, p.117, 1964.
DOI : 10.1016/0022-1902(64)80238-4

Z. Bujoli, G. Gan, and . Hoatson, Modelling one-and two-dimensional Solid State NMR Spectra, Magnetic Resonance in Chemsitry, vol.40, p.70, 2002.

D. F. Stec, R. S. Maxwell, and H. Cho, Protonated Sites on Sulfate-Promoted Zirconium Oxide Catalysts: A Fourier Transform-IR, Thermal Analysis, and Solid State1H NMR Study, Journal of Catalysis, vol.176, issue.1, p.16, 1998.
DOI : 10.1006/jcat.1998.2000

E. L. Hahn and D. E. Maxwell, Spin Echo Measurements of Nuclear Spin Coupling in Molecules, Physical Review, vol.88, issue.5, p.1070, 1952.
DOI : 10.1103/PhysRev.88.1070

H. M. Mcconnell, Reaction Rates by Nuclear Magnetic Resonance, The Journal of Chemical Physics, vol.28, issue.3, p.430, 1958.
DOI : 10.1063/1.1744152

J. Korb, M. W. Hodges, . Th, R. G. Gobron, and . Bryant, Anomalous surface diffusion of water compared to aprotic liquids in nanopores, Physical Review E, vol.60, issue.3, p.3097, 1999.
DOI : 10.1103/PhysRevE.60.3097

F. Noack, NMR field-cycling spectroscopy : principles and applications, Progress in NMR spectroscopy, p.171, 1986.

S. Godefroy, Etude RMN de la dynamique des molécules aux interfaces solide-liquide : des matériaux poreux calibres aux roches pétrolifères, Thèse de l'Ecole Polytechnique, 2001.

J. Korb, D. Torney, H. M. Mc, and . Connell, Dipolar correlation function and motional narrowing in finite two???dimensional spin systems, The Journal of Chemical Physics, vol.78, issue.9, p.5782, 1983.
DOI : 10.1063/1.445434

A. Damyanovich, M. Pintar, R. Blinc, and J. Slak, Proton pseudoglass-to-fast-ion-conductor phase transition in CsHSO 4, Physical Review B, vol.56, p.13, 1997.

E. R. Andrew and R. G. Eades, A Nuclear Magnetic Resonance Investigation of Three Solid Benzenes, Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences, vol.218, issue.1135, p.537, 1953.
DOI : 10.1098/rspa.1953.0123

R. C. Weast, Handbook of Chemistry and Physics 56 th edition, 1976.

P. E. Levitz, J. Korb, and .. , Probing glass transition of clay colloids by NMR relaxometry: Interplay between fluid Brownian dynamics and particle jamming, Europhysics Letters (EPL), vol.70, issue.5, p.167
DOI : 10.1209/epl/i2004-10517-6

S. Yabe and T. Sato, Cerium oxide for sunscreen cosmetics, Journal of Solid State Chemistry, vol.171, issue.1-2, p.7, 2003.
DOI : 10.1016/S0022-4596(02)00139-1

J. Chane-ching and J. Dumousseau, Process for producing cerium oxide particulates, US Patent, vol.4663, p.137, 1987.

J. Chane-ching and J. Dumousseau, Novel cerium oxide particulates, p.352, 1991.

X. Yu, F. Li, X. Ye, X. Xin, and Z. Xue, Synthesis of Cerium(IV) Oxide Ultrafine Particles by Solid-State Reactions, Journal of the American Ceramic Society, vol.11, issue.11, p.964, 2000.
DOI : 10.1111/j.1151-2916.2000.tb01306.x

P. Chen and I. Chen, Reactive Cerium(IV) Oxide Powders by the Homogeneous Precipitation Method, Journal of the American Ceramic Society, vol.71, issue.12, p.1577, 1993.
DOI : 10.1016/0167-2738(81)90005-9

J. Markmann, A. Tschöpe, and R. Birringer, Low temperature processing of dense nanocrystalline yttrium-doped cerium oxide ceramics, Acta Materialia, vol.50, issue.6, p.1433, 2002.
DOI : 10.1016/S1359-6454(01)00448-7

S. Hirano, Hydrothermal processing of ceramics, American Ceramic Society Bulletin, vol.66, issue.9, p.1342, 1987.

M. Hirano and E. Kato, Hydrothermal Synthesis of Cerium(IV) Oxide, Journal of the American Ceramic Society, vol.67, issue.10, p.777, 1996.
DOI : 10.1111/j.1151-2916.1996.tb07943.x

W. J. Dawson, Hydrothermal Synthesis of advanced ceramic powders, American Ceramic Society Bulletin, vol.67, issue.10, p.1673, 1988.

Y. C. Zhou and M. N. Rahaman, Hydrothermal synthesis and sintering of ultrafine CeO2 powders, Journal of Materials Research, vol.8, issue.07, p.1680, 1993.
DOI : 10.1111/j.1151-2916.1988.tb05773.x

P. Shuk and M. Croft, Hydrothermal synthesis and properties of Ce 1-x Eu x O 2-? solid solutions, Journal of Alloys and Compounds, pp.303-304, 2000.

E. M. Levin and H. F. Mc-murdie, Phase diagrams for ceramists, 1975.

R. C. Garvie, The Occurrence of Metastable Tetragonal Zirconia as a Crystallite Size Effect, The Journal of Physical Chemistry, vol.69, issue.4, p.1238, 1965.
DOI : 10.1021/j100888a024

T. Mitsuhashi, M. Ichihara, and U. Tasuke, Characterization and Stabilization of Metastable Tetragonal ZrO2, Journal of the American Ceramic Society, vol.10, issue.6619, p.97, 1974.
DOI : 10.1021/ic50011a034

M. I. Osendi, J. S. Moya, C. J. Serna, and J. Soria, Metastability of Tetragonal Zirconia Powders, Journal of the American Ceramic Society, vol.22, issue.2, p.135, 1985.
DOI : 10.1016/0021-9517(84)90397-X

M. Déschamps, B. Djuricic, and S. Pickering, Structure of Zirconia Prepared by Homogeneous Precipitation, Journal of the American Ceramic Society, vol.50, issue.2, pp.78-2873, 1995.
DOI : 10.1111/j.1151-2916.1993.tb08344.x

Y. Murase and E. Kato, Role of water vapour in crystallite growth and tetragonalemonoclinic phase transformation of ZrO 2, Journal of American Ceramic Society, issue.3, pp.66-196

Y. T. Moon, H. K. Park, D. K. Kim, and C. H. Kim, Preparation of Monodisperse and Spherical Zirconia Powders by Heating of Alcohol-Aqueous Salt Solutions, Journal of the American Ceramic Society, vol.70, issue.8, pp.78-2690, 1995.
DOI : 10.1111/j.1151-2916.1995.tb08042.x

E. Djurado and E. Meunier, Synthesis of Doped and Undoped Nanopowders of Tetragonal Polycrystalline Zirconia (TPZ) by Spray-Pyrolysis, Journal of Solid State Chemistry, vol.141, issue.1, p.191, 1998.
DOI : 10.1006/jssc.1998.7946

W. Stichert and F. Schüth, Influence of Crystallite Size on the Properties of Zirconia, Chemistry of Materials, vol.10, issue.7, p.2020, 1998.
DOI : 10.1021/cm980705o

F. C. Woudenberg, W. F. Sager, N. G. Sibelt, and H. Verweij, Dense Nanostructured t-ZrO2 Coatings at Low Temperatures via Modified Emulsion Precipitation, Advanced Materials, vol.13, issue.7, p.514, 2001.
DOI : 10.1002/1521-4095(200104)13:7<514::AID-ADMA514>3.0.CO;2-K

C. N. Rao, B. C. Satishkumar, and A. Govindaraj, Zirconia nanotubes, Chemical Communications, issue.16, p.1581, 1997.
DOI : 10.1039/a701354j

J. Joo, T. Yu, Y. W. Kim, H. M. Park, F. Wu et al., Multigram Scale Synthesis and Characterization of Monodisperse Tetragonal Zirconia Nanocrystals, Journal of the American Chemical Society, vol.125, issue.21, pp.125-146, 2003.
DOI : 10.1021/ja034258b

A. Clearfield, Inorganic Ion Exchange Materials, Boca Raton FL, 1982.

C. B. Amphlett, Inorganic Ion Exchangers, 1964.

A. Clearfield, G. H. Nancollas, and R. H. , Blessing in " Ion Exchange and Solvent Extraction, 1987.

A. Clearfield, Design of New Materials

G. Alberti, Recent Developments in Ion Exchange, 1987.

G. Alberti and M. Casciola, Layered metalIV phosphonates, a large class of inorgano-organic proton conductors, Solid State Ionics, vol.97, issue.1-4, p.177, 1997.
DOI : 10.1016/S0167-2738(97)00070-2

G. Alberti, U. Constantino, M. Casciola, S. Ferroni, L. Massinelli et al., Preparation, characterization and proton conductivity of titanium phosphate sulfophenylphosphonate », Solid State Ionics, p.249, 2001.

Y. Bereznitski, M. Jaroniec, A. I. Bortun, D. M. Poojary, and A. Clearfield, Surface and Structural Properties of Novel Titanium Phosphates, Journal of Colloid and Interface Science, vol.191, issue.2, p.442, 1997.
DOI : 10.1006/jcis.1997.4928

. Clearfield, Synthesis and characterization of two novel fibrous titanium phosphates Ti 2 O (PO 4 ) 2 . 2H 2 O, Chemistry of Materials, vol.9, p.1805, 1997.

D. M. Poojary, A. I. Bortun, L. N. Bortun, and A. Clearfield, Synthesis and X-Ray Powder Structures of Three Novel Titanium Phosphate Compounds, Journal of Solid State Chemistry, vol.132, issue.1, p.213, 1997.
DOI : 10.1006/jssc.1997.7470

. Garcia-granda, Reaction of ?-Ti 2 O(PO 4 ) 2 .2H 2 O with molten alkali nitrates. Synthesis of the fibrous materials ?, Materials Research Bulletin, vol.37, p.1381, 2002.

C. Schmutz, P. Barboux, F. Ribot, F. Taulelle, M. Verdaguer et al., EXAFS, Raman and 31P NMR study of amorphous titanium phosphates, Journal of Non-Crystalline Solids, vol.170, issue.3, p.250, 1994.
DOI : 10.1016/0022-3093(94)90054-X

G. Alberti, U. Constantino, F. D. Gregorio, P. Galli, and E. Torracca, Crystalline insoluble salts of polybasic metals - III, Journal of Inorganic and Nuclear Chemistry, vol.30, issue.1, p.295, 1968.
DOI : 10.1016/0022-1902(68)80093-4

G. Alberti and U. Constantino, Recent progress in the field of synthetic inorganic exchangers having a layered or fibrous structure, Journal of Chromatography A, vol.102, p.5, 1974.
DOI : 10.1016/S0021-9673(01)85423-6

R. G. Herman and A. Clearfield, Crystalline cerium(IV) phosphates???I Preparation and characterization of crystalline compounds, Journal of Inorganic and Nuclear Chemistry, vol.37, issue.7-8, p.1697, 1975.
DOI : 10.1016/0022-1902(75)80301-0

R. G. Herman and A. Clearfield, Crystalline cerium(IV) phosphates???II, Journal of Inorganic and Nuclear Chemistry, vol.38, issue.4, p.853, 1976.
DOI : 10.1016/0022-1902(76)80370-3

R. G. Herman and A. Clearfield, Crystalline cerium(IV) phosphates???III, Journal of Inorganic and Nuclear Chemistry, vol.39, issue.1, p.143, 1977.
DOI : 10.1016/0022-1902(77)80449-1

P. Barboux, R. Morineau, and J. Livage, Protonic conductivity in hydrates, Solid State Ionics, vol.27, issue.4, p.221, 1988.
DOI : 10.1016/0167-2738(88)90213-5

R. C. Weast, Handbook of Chemistry and Physics 56 th edition, p.46, 1976.

C. Tang, Y. Bando, D. Golberg, and R. Ma, Cerium Phosphate Nanotubes: Synthesis, Valence State, and Optical Properties, Angewandte Chemie International Edition, vol.33, issue.4, p.576, 2005.
DOI : 10.1002/anie.200461171

Z. Bujoli, G. Gan, and . Hoatson, Modelling one-and two-dimensional Solid State NMR Spectra, Magnetic Resonance in Chemsitry, vol.40, p.70, 2002.