Investigación

Fernando Sapiña Navarro

Departamento de Química Inorgánica

Publicaciones

Instituto de Ciencia de los Materiales

1. "Alternating Exchange in Ferrimagnetic Ising Chains" 

F. Sapiña, E. Coronado, M. Drillon, R. Georges, D. Beltrán

J. Phys.(Paris) 49, C8-1423 (1988)

2. "From 1-D to 3-D ferrimagnets in the EDTA Family" 

E. Coronado, F. Sapiña, P. Gomez-Romero, D. Beltrán, R. Burriel, R. L. Carlin

J. Phys.(Paris) 49, C8-853 (1988)

3. "Crystal Structure of the Alternating Heterometallic Chain Cu₃[Ni(CDTA)]₂(OH₂)₈(NO₃)₂ . 7H₂O" 

F. Sapiña, E. Escrivá, D. Beltrán, A. Fuertes, C. Miravitlles

Z. Krist. 185 , 338 (1988)

4. "Magnetic Characterization of the Ferrimagnetic Compounds CoM[M'(EDTA)]₂ . 4H₂O (M,M'= Co, Ni)"

E. Coronado, F. Sapiña, D. Beltrán, R. Burriel, R. L. Carlin

Mol. Liq. Mol. Cryst. 176, 507 (1989)

5. "Two new cobalt (II) compounds exhibiting weak ferromagnetism: magnetic susceptibility study of Co(HPO₃).H₂O and CoCl(H₂PO₂).H₂O and crystal structure of Co(HPO₃).H₂O"

F. Sapiña, P. Gomez-Romero, M. D. Marcos, P. Amorós, R. Ibañez, D. Beltrán-Porter, R. Navarro, C. Rillo, F. Lera

Eur. J. Solid State Inorg. Chem. 26, 603 (1989)

6. "1-D Antiferromagnetism in Spin-alternating Bimetallic Chains"

E. Coronado, F. Sapiña, M. Drillon, L. J. de Jongh

J. Appl. Phys. 67, 6001 (1990)

7. "The Ferrimagnetic Compounds CoM[M'(EDTA)]₂ . 4H₂O (M,M'= Co, Ni): Magnetic Characterization of CoCo[Ni(EDTA)₂] . 4H₂O"

F. Sapiña, E. Coronado, P. Gomez-Romero, D. Beltrán, R. Burriel, R. L. Carlin

J. Appl. Phys. 67, 6003 (1990)

8. "Crystal Structure and Magnetism of Co(HPO₃).H₂O: a Novel Layered Compound of Co(II)"

M. D. Marcos, P. Gomez-Romero, P. Amorós, F. Sapiña, D. Beltrán-Porter, R. Navarro, C. Rillo, F. Lera

J. Appl. Phys. 67, 5998 (1990)

9. "Magneto-Structural Correlations in Hexachlorodicuprate(II) Salts: Crystal Structure and Magnetic Properties of the Tetrameric Complex: [Cu₂(terpy)Cl₄ ]₂ (terpy= 2,2':6',2"-terpyridine)"

J.V. Folgado, P. Gómez- Romero, F. Sapiña, D. Beltrán-Porter

J. Chem. Soc. Dalton Trans. 2325 (1990)

10. "From 1-D to 3-D Ferrimagnets in the EDTA Family: Magnetic Characterization of the Tetrahydrate Series M^tM[M'(EDTA)]₂.4H₂O {M^t, M, M'=Co(II), Ni(II), Zn(II)}"

F. Sapiña, E. Coronado, D. Beltrán, R. Burriel

J. Am. Chem. Soc. 113, 7940 (1991)

11. "Thermal Properties of the Tetrahydrate Series M^tM[M'(EDTA)]₂ . 4H₂O {M^t, M, M'=Co(II), Ni(II), Zn(II)}"

F. Sapiña, E. Coronado, D. Beltrán, R. Kuentzler

J. Magn. Magn. Mater 104-107, 837 (1992)

12. "Structural and Magnetic Characterization of CaCu(HCOO)₄ and Ca₂Cu(HCOO)₆: Two New One-dimensional Ferromagnetic di(m-(oxo-ligand)-bridged chains"

M. J. Sanchis, P. Gomez-Romero, J. V. Folgado, F. Sapiña, R. Ibañez, A. Beltrán, D. Beltrán

Inorg. Chem. 31, 2915 (1992)

13. "Crystal Structure and Magnetic Properties of a-Mn(H₂PO₂)2.H₂O"

M. D. Marcos, P. Amorós, F. Sapiña, D. Beltrán

J. Alloys and Compounds 188, 133 (1992)

14. "Magnetic Studies of Ordered And Disordered NbFeO₄ Phases"

G. Pourroy, E. Coronado, F. Sapiña

J. Alloys and Compounds 188, 234 (1992)

15. "A New Magnetic Lattice in the CDTA Family. Structure and Magnetic Properties of the Novel Homo and Heterometallic Chains Cu₃(Cu_1-xNi_xCDTA)₂(NO₃)₂.15H₂O (0<=x<=1)"

F. Sapiña, E. Escrivá, J. V. Folgado, A. Beltrán, D. Beltrán, A. Fuertes, M. Drillon

Inorg. Chem. 31, 3851 (1992)

16. "Ferromagnetism in the a and b Polymorphs of Anhydrous Copper(II) Formate: Two Molecular Based Ferromagnets with Ordering Temperatures of 8.2 and 30.4 K"

F. Sapiña, M. Burgos, E. Escrivá, J.V. Folgado, M. D. Marcos, A. Beltrán, D. Beltrán

Inorg. Chem., 32, 4337 (1993)

17. "New Lamellar Oxophosphorous Derivatives of Ni(II): X-Ray Powder Diffraction Structure Determinations and Magnetic Studies of Ni(HPO₃).H₂O and NiCl(H₂PO₂).H₂O"

M. D. Marcos, P. Amorós, F. Sapiña, A. Beltrán-Porter, R. Martinez-Mañez, J. P. Attfield

Inorg. Chem., 32, 5044 (1993)

18. "Crystal Structure, Magnetic and Spectroscopic Properties of the Bis(dimethylsulfoxide) Adduct of Tetra-m-formato-dicopper(II), a New Tetracarboxylaate-bridged Copper(II) Dimer"

F. Sapiña, M. Burgos, E. Escrivá, J. V. Folgado, D. Beltrán, P. Gomez-Romero

Inorg. Chim. Acta, 216, 185 (1994)

19. " Ferro- and Ferrimagnetism in Alternating M(III)-Cu(II) Chains (M=Mn and Fe). A Molecular Based Ferromagnet with Tc=9K: [Mn(III)Cu(II)bis(cyclohexanedioximato)(acetato)(H₂O)₂]"

F. Lloret, R. Ruiz, B. Cervera, I. Castro, M. Julve, J. Faus, J. A. Real, F. Sapiña, I. Journaux, J. C. Colin, M. Verdaguer

J. Chem. Soc., Chem. Comm., 2615 (1994)

20. "A Family of oxamido-Bridged Mn(II)Cu(II) Bimetallic Molecular-Based Ferrimagnets: Synthesis, EXAFS Structural Characterization and Magnetic Properties"

R. Ruiz, C. Surville-Barland, Y. Journaux, J. C. Colin, I. Castro, B. Cervera, M. Julve, F. Lloret, F. Sapiña

Chem. Mater., 9, 201 (1997)

21. "Exchange Interaction through Hydrogen-bonds bridges. Crystal Structure, Spectroscopic Characterization and Magnetic Properties of the Complex [{Cu(en)}₂(m-egta)].2H₂O (H₄egta=3,12-bis(carboxymehyl)-6,9-dioxa-3,12-diazatetra-decanedioic acid)"

E. Escrivá, J. Server-Carrió, J. García-Lozano, J. V. Folgado, F. Sapiña, L. Lezama

Inorg. Chim. Acta 279, 58 (1998).

22. "Tuning up the Tc in Mn(II)Cu(II) Bimetallic Planes and Design of Molecular-Based Magnets"

C. Surville-Barland, R. Ruiz, A. Aukauloo, Y. Journaux, I. Castro, B. Cervera, M. Julve, F. Lloret, F. Sapiña

Inorg. Chim. Acta  278, 159 (1998)

1 (23). "Crystal and Magnetic Structure of Bi₂CuO₄"

J. L. García-Muñoz, J. Rodriguez-Carvajal, F. Sapiña, M. J. Sanchís, R. Ibañez, D. Beltrán-Porter

J. Phys. : Condensed Matter 2, 2205 (1990)

2 (24). "Crystal and Magnetic Structure of Li₂CuO₂"

F. Sapiña, J. Rodriguez-Carvajal, M. J. Sanchís, R. Ibañez,A. Beltrán, D. Beltrán

Solid State Com. 74, 779 (1990)

3 (25).   "Some Synthetic Strategies for Superconducting Oxides"

D. Beltrán, R. Ibañez, J. V. Folgado, E. Martinez, M. J. Sanchis, F. Sapiña, E. Escrivá, A. Beltrán

Superconductivity in Spain, Editor Felix Yndurain, Madrid 1990

4 (26).   "Transport and Diamagnetic Properties of 2:2:1:2 and 2:2:2:3 (Bi-Pb)-Sr-Ca-Cu-O Superconducting Materials"

R. Ibañez, M. J. Sanchis, F. Sapiña, D. Beltrán, A. Beltrán, G. F. de la Fuente, C. Rillo, J. Bartolome, F. Lera, R. Navarro

Mat. Res. Soc. Symp. Proc. 169, 1057 (1990)

5 (27). "Crystal and Magnetic Structures of Bi₂CuO₄ and Li₂CuO₂"

F. Sapiña, M. J. Sanchis, R. Ibañez, A. Beltrán, D. Beltrán, J. Rodriguez-Carvajal, J. L. García-Muñoz

Spanish Scientific Research using Neutron Scattering Techniques, Editors: J. C. Gomez Sal, J. M. Barandiarán y F. Rodriguez González; p. 115, (1991)

6 (28). "Metallorganic Precursors Route for High Tc Superconducting Materials and Related Phases"

D. Beltrán-Porter, A. Gonzalez, M. J. Sanchis, A. Beltrán-Porter, R. Ibañez, F. Sapiña

Ceramic Transactions 18, 191 (1991)

7 (29). "Polymer Solution Processing of (Bi, Pb)-Sr-Ca-Cu-O"

G. de la Fuente, A. Sotelo, Y. Huang, M. T. Ruiz, A. Badia, L. A. Angurel, F. Lera, R. Navarro, C. Rillo, R. Ibañez, D. Beltrán, F. Sapiña, A. Beltrán

Physica C 185-189, 509 (1991)

8 (30).   "(Bi, Pb)₂Sr₂Ca₂Cu₃O_10+d Superconductor Composites: Ceramic vs. Fibers"

Y. Huang, G. de la Fuente, A. Sotelo, A. Badia, F, Lera, R. Navarro, C. Rillo, R. Ibañez, D. Beltrán, F. Sapiña, A. Beltrán

Physica C 185-189, 2401 (1991)

9 (31).   "Nuevos Métodos de Preparación de Polvos Cerámicos Superconductores y Crecimiento de Fibras Superconductoras Texturadas"

G. F. de la Fuente, Y. Huang, M. T. Ruiz, A. Sotelo, F. Lera, C. Rillo, A. Badia, R. Navarro, J. Bartolomé, D. Beltrán, R. Ibañez, F. Sapiña, A. Beltrán

Bol. Soc. Esp. Ceram. Vidr. 30, 433 (1991)

10 (32).   "Submicrometer CaCuO₂ and Ca₂CuO₃ Particles from Bimetallic Formate Precursors"

M. J. Sanchis, F. Sapiña, R. Ibañez, A. Beltrán, D. Beltrán

Mat. Letters 12, 409 (1992)

11 (33).   "Synthesis and Characterization of NdNiO₃ by Low-Temperature Methods"

J. García, D. Beltrán, F. Sapiña, M. J. Sanchis

J. Alloys and Compounds, 188, 170 (1992)

12 (34).   "A New Improved Synthesis of the 110 K Bismuth Superconducting Phase: Freeze Drying of Acetic Solutions"

V. Primo, F. Sapiña, M. J. Sanchis, R. Ibañez, A. Beltrán, D. Beltrán

Mat. Letters, 15, 149 (1992)

13 (35). "Fast Synthesis of Single-phased 110 K Bismuth Superconductor by Freeze-Drying of Acetic Precursors. Kinetic Role of Calcium and Copper Oxides"

V. Primo, F. Sapiña, M. J. Sanchis, R. Ibañez, A. Beltrán, D. Beltrán

Solid State Ionics, 63-65, .872 (1993)

14 (36). "Novel Polymer Solution Synthesis of the 110 K Superconducting Phase in the Bismuth System"

A. Sotelo, G. F. de la Fuente, F. Lera, D. Beltrán, F. Sapiña, R. Ibañez, A. Beltrán, M. R. Bermejo

Chem. Mater., 5, 851 (1993)

15 (37)."Precursor-based Synthetic Pathways to Nanometer NdNiO_3-x Particles"

J. García, A. Gonzalez, M. J. Sanchis, M. D. Marcos, E. Martinez, F. Sapiña, D. Beltrán, A. Beltrán

Solid State Ionics, 63-65, 52 (1993)

16 (38). "Polymer-Matrix Route to (Bi,Pb)₂Sr₂Ca₂Cu₃O_10+d: The Role of Ca₂CuO₃"

H. Miao, F. Sapiña, R. Ibañez, A. Beltrán, D. Beltrán, G. F. de la Fuente

Solid State Ionics, 66, 231 (1993)

17 (39). "Stability and Synthetic Pathways: Novel Routes to CaCuO₂"

M. J. Sanchis, M. Burgos, R. Carrasco, F. Sapiña, R. Ibañez, D. Beltrán, A. Beltrán

Solid State Ionics, 66, 27 (1993)

18 (40). "Some synthetic Strategies for Superconducting Oxides (II): Chemical Methods"

D. Beltrán, A. Beltrán, R. Ibañez, F. Sapiña, M. J. Sanchis, V. Primo, H. Miao, J. Garcia, R. Carrasco, P. Amoros, J. V. Folgado, E. Escrivá, E. Martinez

Superconducitvity in Spain, Ed. F. Yndurain (MIDAS Program, Madrid, 1993), p. 37

19 (41). "Magnetic Ordering in Fe-doped Gd₂BaCuO₅"

S. J. Stewart, G. F. Goya, R. C. Mercader, A. E. Goeta, G. Punte, F. Sapiña

Hyperfine Interactions, 83, 421 (1994)

20 (42).   "Three-Dimensional Magnetic Ordering in Bi₂CuO₄"

M. Castro, R. Burriel, R. Ibañez, F. Sapiña

IEEE transactions in Magnetism, 30, 1163 (1994)

21 (43).   "The influence of Morphological Aspects in the Reaction Pathway and Superconductive Properties of 2223-Ca₂CuO₃ Ceramic Composites"

H. Miao, V. Primo, R. Ibañez, F. Sapiña, A. Beltrán, D. Beltrán

Mat. Res. Soc. Symp. Proc., 346, 427 (1994)

22 (44).   "Fast Solution Precursor Synthesis of 2223 Phase: The Role of Lead in the Reaction Pathway"

H. Miao, V. Primo, R. Ibañez, F. Sapiña, A. Beltrán, D. Beltrán

Mat. Res. Soc. Symp. Proc. 346, 377 (1994)

23 (45).   "Low Temperature specific heat of NdMO₃ (M=Co, Fe, Cr, Ni): Magnetic Ordering of Nd"

F. Bartolomé, M. D. Kuz’min, J. Bartolomé, J. Blasco, J. García, F. Sapiña

Solid State Comm. 91, 177 (1994)

24 (46). "New Perovskite-Related Phases in the Bi-Pb-Sr-Ca-O System"

C. C. Luhrs, M. Morales, F. Sapiña, D. Beltrán, A. Fuertes

Solid State Ionics, 101-103, 1107 (1997)

25 (47). "Crystal chemistry and redox behavior of perovskite-related bismuth strontium calcium oxides"

C. C. Luhrs, F. Sapiña, D. Beltrán-Porter, A. Fuertes

J. Mater. Chem., 8, 209 (1998)

26 (48). "A field induced ferromagnetic-like magnetic transition below 2.8 K in Li₂CuO₂: an experimental and theoretical study"

R. J. Ortega, P. J. Jensen, K. V. Rao, F. Sapiña, D. Beltrán, Z. Iqbal, J. C. Cooley, J. L. Smith

J. Appl. Phys., 83, 6542 (1998)

27 (49) "Crystal chemistry and redox behaviour of antimony strontium calcium perovskites"

C. C. Luhrs, D. Beltrán-Porter, F. Sapiña, A. Fuertes

International Journal of Inorganic Materials, 2, 483 (2000)

1 (50). "Low Temperature Synthesis, Structure and Magnetorresistance of Submicrometer La_1-xK_xMnO_3+d Phases"

Y. Ng-Lee, F. Sapiña, E. Martinez-Tamayo, J.V. Folgado, R. Ibañez, F. Lloret, A. Segura

J. Mater. Chem., 7, 1905 (1997)

2 (51). "Electronic properties of mixed valence manganates: the role of the cationic vacancies"

T. Boix, Z. El Fadli, F. Sapiña, E. Martinez, A. Beltrán, J. Vergara, R. J. Ortega, K. V. Rao

Chem. Mater., 10, 1569 (1998)

3 (52). "Effect of disorder produced by cationic vacancies at the B sites on the electronic properties of mixed valence manganates"

J. Vergara, R. J. Ortega-Hertogs, V. Madurga, F. Sapiña, Z. El-Fadli, E. Martinez, A. Beltrán, K. V. Rao

Phys. Rev. B, 60, 1127 (1999)

4 (53). "Low temperature synthesis, structure and mangetic properties of La_0.85(Na_1-xK_x)_0.15MnO₃ perovskites: the role of A cationic size disparity in the electronic properties of mixed valence manganates"

Z. El-Fadli, E. Coret, F. Sapiña, E. Martinez, A. Beltrán, D. Beltrán, F. Lloret

J. Mater. Chem., 9, 1793 (1999)

5 (54) "Structural effects of Co and Cr substitutions in LaMnO_3+d"

Z. El-Fadli, M. R. Metni, F. Sapiña, E. Martinez, J. V. Folgado, D. Beltrán, A. Beltrán.

J. Mater. Chem., 10, 437 (2000)

6 (55). "Chemistry of LaMn_1-xM_xO_3+d M=Cr, Co)"

Z. El-Fadli, M. R. Metni, F. Sapiña, E. Martinez, J. V. Folgado, D. Beltrán, A. Beltrán.

Annales de Chimie-Science des Matériaux, 25, S31 (2000).

7 (56). "The role of Mn substitutional defects in the electronic properties of mixed valence manganates"

Z. El-Fadli, M. R. Metni, F. Sapiña, E. Martinez, J. V. Folgado, D. Beltrán, A. Beltrán.

Chem. Mater., 14, 688 (2002)

8 (57). “The effect of Cu substitution on the A_1g mode of L _0.7Sr_0.3MnO₃ manganites”

G. De Marzi, H. J. Trodahl , J. Bok, A. Cantarero, F. Sapiña

Solid State Com., 127, 259 (2003)

9 (58). “The effect of B-site substitution on the infrared reflectivity spectra of La_1-yA_xMn_1-xB_xO₃ (A=Ba, Sr; B=Cu, Zn, Sc) manganites”

G. De Marzi, Z. V. Popovic, A. Cantarero, Z. Dohcevic-Mitrovic, N. Paunovic, F. Sapiña

Phys. Rev. B, 68, 64302 (2003)

10 (59). “Experimental determination of orbital ordering temperature in optimally doped manganites”

Z. V. Popovic, W. H. A. Thijssen, A. Cantarero, N. Paunovic, Z. Dohcevic-Mitrovic, F. Sapiña

J. Phys.: Condens. Matter 17, 351-360 (2005)

11 (60). “Novel phase transitions in B-site doped manganites”

Z. V. Popovic, A. Cantarero, W. H. A. Thijssen, N. Paunovic, Z. Dohcevic-Mitrovic, F. Sapiña

Physica B 359-361, 1276-1278 (2005)

12 (61). "Raman and infrared studies of La_1-ySr_xMn_1-xM_xO₃ (M=Cr, Co, Cu, Zn, Sc or Ga): oxygen disorder and local vibrational modes"

A. Dubroka, J. Humlicek, M. V. Abrasev, Z. V. Popovic, F. Sapiña, A. Cantarero

Phys. Rev. B, en prensa.

1 (62). "Catalytic Combustion of Ethane over High Surface Area Ln_1-xK_xMnO₃ (Ln=La, Nd) Perovskites: The Effect of Potassium Substitution"

Y. Ng Lee, F. Sapiña, E. Martinez, J. V. Folgado, V. Cortés

Studies in Surf. Sci. and Catal., 110, 747 (1997)

2 (63). "Synthesis and surface characterization of nanometric La_1-xK_xMnO_3+d particles"

Y. Ng Lee, Z. El-Fadli, F. Sapiña, E. Martinez-Tamayo, V. Cortés-Corberán

Catal. Today, 52, 45 (1999)

3 (64). "Impliación de las especies superficiales de oxígeno de perovsquitas LaMnO_3+d en la reacción de oxidación de CO y C₂H₆"

Y. Ng Lee, R. M. Lago, J. L. G. Fierro, F. Sapiña, E. Martinez, J. V. Folgado

Actas del XVI Simposio Iberoamericano de Catálisis, 2015 (1998)

4 (65). "Catalizadores preparados por métodos suaves para reacciones de oxidación"

V. Cortés, E. Martinez, F. Sapiña

Actas de la Reunión de la Sociedad Española de Catálisis, 9 (1999).

5 (66).   "Surface properties and catalytic performance for ethane combustion of La_1-xK_xMnO_3+d perovskites"

Y. Ng-Lee, R. M. Lago, J. L. García-Fierro, V. Cortés, F. Sapiña, E. Martínez

Appl. Catal. A   207, 17 (2001)

6 (67). "Nanostructured ceria-based vatalysts for oxydegydrogentaion of ethane with CO₂"

R. X. Valenzuela, G. Bueno, A. Solbes, F. Sapiña, E. Martínez, V. Cortés-Corberán

Topics in Catalysis 15, 181 (2001)

7 (68) “Freeze-dried precursor-based synthesis of nanostructured cobalt-nickel molybdates Co_1-xNi_xMoO₄”

D. Vie, E. Martínez, F. Sapiña, J.-V. Folgado, A. Beltrán, R. X. Valenzuela, G. Bueno-Sobrino, V. Cortés-Corberán

Chem. Mater. 16, 1697-1703 (2004)

1 (69). "Chemistry of ternary interstitial molybdenum nitrides M_nMo₃N (M=Fe and Co, n=3; M=Ni, n=2)"

S. Alconchel, F. Sapiña, D. Beltrán, A. Beltrán

J. Mater. Chem., 8, 1901 (1998)

2 (70). "A new approach to the synthesis of molybdenum bimetallic nitrides and oxynitrides"

S. Alconchel, F. Sapiña, D. Beltrán, A. Beltrán

J. Mater. Chem., 9, 749 (1999)

3 (71). "Freeze-dried precursor-based synthesis of new vanadium-molybdenum oxynitrides"

A. El-Himri, M. Cairols, S. Alconchel, F. Sapiña, R. Ibañez, D. Beltrán, A. Beltrán

J. Mater. Chem., 9, 3167 (1999)

4 (72). "Synthesis of new vanadium-chromium and chromium-molybdenum oxynitrides by direct ammonolysis of freeze-dried precursors"

A. El-Himri, F. Sapiña, R. Ibañez, A. Beltrán

J. Mater. Chem., 10, 2537 (2000)

5 (73). "Ordered Mesoporous Silicon Oxynitrides"

J. El Haskouri, S. Cabrera, F. Sapiña, J. Latorre, C. Guillem, A. Beltrán-Porter, D. Beltrán-Porter, M. D. Marcos, P. Amorós

Adv. Mater. 13, 192 (2001)

6 (74). "Pd₂Mo₃N: a new molybdenum bimetallic interstitial oxide"

A. El. Himri, F. Sapiña, R. Ibañez, A. Beltrán

J. Mater. Chem. 11, 2311 (2001)

7 (75). "A new approach to the synthesis of intermetallic compounds: preparation of submicrometric Co_xM_y (M=Mo, W; x:y= 3:1 and 7:6) by direct reduction of freeze-dried precursors"

D. Vie, N. López , E. Martínez, F. Sapiña, J. V. Folgado, A. Beltrán

J. Mater. Chem., 12, 1017 (2002)

8 (76). “Synthesis of new molybdenum-wolframium, vanadium-wolframium and vanadium-molybdenum-wolframium oxynitrides from freeze-dried precursors"

A. El-Himri, P. Nuñez-Coello, F. Sapiña, R. Ibañez, A. Beltrán, J.-M. Martínez-Agudo.

J. Solid State Chem. 177, 2423-2431 (2004)

9 (77)  “From nitrides to carbides: topotactic synthsis of the h-carbides Fe₃Mo₃C and Co₃Mo₃C”

S. Alconchel, F. Sapiña, E. Martinez.

Dalton Trans., 2463-2468 (2004)

10 (78). “Synthesis of new vanadium-chromium-molybdenum, vanadium-chromium-wolframium, chromium-molybdenum-wolframium and vanadium-chromium-molybdenum-wolframium oxynitrides from freeze-dried precursors”

Abdelouahad El-Himri, Pedro Núñez, Fernando Sapiña, Rafael Ibañez and Aurelio Beltrán

J. Alloys and Compounds, 398, 289-295 (2005)

11 (79). "Efecto del tamaño de partícula en la sinterización de cermets WC-Co"

M. D. Salvador, V. Bonache, E. Martínez, F. Sapiña, N. Valero

Actas del X Congreso Nacional de Tratamientos Térmicos y de Superficie Tratemat05, 353-358 (2005)