Líneas de investigación
Estudio mediante Raman de
- Propiedades físicas
- Anomalías estructurales
- Mecanismos de movilidad
en materiales de interés tecnológico:
- Conductores iónicos y materiales para dispositivos electroquímicos
- Semiconductores magnéticos diluidos
- Nanotubos de Carbono y otros materiales carbonosos
Proyectos de Investigación en curso
Nuevos materiales para pilas de combustible, baterías de litio y otros dispositivos electroquímicos
MAT2004-03070-C05-03
Duración: dic2004-dic2007
Publicaciones seleccionadas
M L Sanjuán and V M Orera.
Reorientation of V- and [Li]o defects in MgO studied by EPR
J Phys C 19, 67-76 (1986).
V M Orera and M L Sanjuán.
Dynamical features of a hydrogen - lithium complex in MgO:Li studied by EPR
Phys Rev B 33, 3058-3063 (1986).
M L Sanjuán and V M Orera.
Effect of the reorientation of Hio(Li) defects in MgO on the 25Mg shf structure
J Phys C 20, 5177-86 (1987).
M L Sanjuán and V M Orera.
The saturation behaviour of the EPR lines of the motional defect Hi0(Li) in MgO
J Phys C 21, 2941-50 (1988).
V.M. Orera, M.L. Sanjuán, Y. Chen
The [H-Ca+] defect in thermochemically reduced CaO: Static and Dynamical EPR study
Phys. Rev. B 42, 7604-7609 (1990).
M. L. Sanjuán, V. M. Orera, P. J. Alonso
EPR study of defect reorientation by a tunneling-controlled process
Phys. Rev. B 42, 7754-7760 (1990).
M. L. Sanjuán, M. A. Laguna, S. Piñol, P. Canfield, Z. Fisk.
Raman study of R2-xCexCuO4 (R= Pr, Nd, Sm). Resonance effects.
Phys Rev. B (Rapid Comm.), 46, 8683 (1992).
M. L. Sanjuán, M. A. Kanehisa, M. Jouanne.
Electronic Raman study of Fe2+ in FePX3 (X= S, Se) layered compounds.
Phys Rev. B, 46, 11501 (1992).
M. A. Laguna, M. L. Sanjuán, V. M. Orera, J. Rubín, E. Palacios, M. C. Piqué, J. Bartolomé, J. F. Bérar.
X- ray and Raman study of the low temperature NH4MnF3 structure. Evidence of librational motion of the NH4+ ion.
J. Phys: Condensed Matter 5, 283-300 (1993).
M. A. Laguna, M. L. Sanjuán, A. Butera, M. Tovar, Z. Fisk, P. Canfield.
Raman study of T'-phase distortion in R2CuO4 compounds (R= Nd, Sm, Eu, Gd)
Phys. Rev. B 48, 7565 (1993).
M. L. Sanjuán, P. B. Oliete, V. M. Orera.
Enhanced Raman scattering of phonons in CaF2 and MgO containing Ca and Li colloids.
J. Phys. Condens. Matter 6, 9647-57 (1994).
M. A. Laguna, M. L. Sanjuán, M. Kanehisa.
Structural distortion in R2CuO4 compounds: A Raman and lattice dynamics study.
Physica C 235-240, 1193-94 (1994).
M. L. Sanjuán, M. A. Laguna.
Raman spectrum of Pr2CuO4: Crystal field transitions of Pr3+ and the A* mode.
Phys. Rev. B, 52, 13000-13005, (1995).
M. A. Laguna, M. L. Sanjuán, S. Piñol.
Non-resonant behavior of the A* Raman mode in Pr1.85Ce0.15CuO4: A Raman study of Pr2-x-yGdyCexCuO4 (x»0.15, 0£y£1.85).
Sol. State Comm., 102, 413-8 (1997).
M. L. Sanjuán, V. M. Orera, R. I. Merino, J. Blasco.
Raman and X-ray study of the La1-xNdxGaO3 (0£x£1) perovskite solid solutions
J. Phys.: Condensed Matter 10, 11687-11702 (1998)
A. Várez, M.L. Sanjuán, M. A. Laguna, J.I. Peña, J. Sanz and G.F. de la Fuente.
Microstructural development of the La0.5Li0.5TiO3 lithium ionic conductor processed by the
laser floating zone (LFZ) method.
J. Mater. Chem. 11, 125-130 (2001)
O.García-Moreno, M. Alvarez-Vega, F.García-Alvarado, J.García-Jaca, J.M. Gallardo-Amores, M.L. Sanjuán, U. Amador.
Influence of the structure on the electrochemical performance of lithium transition-metal
phosphates as cathodic materials in rechargeable lithium batteries: A new high pressure form of LiMPO4
Chem. Mater. 13 (5) 1570-76 (2001). 13, (7), 2455-2455 (2001) (addenda)
M. L. Sanjuán, M. A. Laguna.
Raman study of antiferroelectric instability in La(2-x)/3LixTiO3 (0.1£x£0.5) double perovskites
Phys. Rev. B, 64, 174305-5 (2001).
M. L. Sanjuán, M. C. Morón
Raman study of Zn1-xMnxGa2Se4 diluted magnetic semiconductors: disorder and resonance effects.
Physica B 316-317C, 565-567 (2002).
M. A. Laguna, M. L. Sanjuán, A. Várez y J. Sanz.
Lithium dynamics and disorder effects in the Raman spectrum of La(2?x)/3LixTiO3
Phys. Rev. B 66, 054301-7 (2002).
A. Várez, J. Ibarra, A. Rivera, C. León, J. Santamaría, M.A. Laguna, M.L. Sanjuán y J. Sanz.
Influence of quenching treatment on structure and conductivity of the Li3xLa2/3-xTiO3 series.
Chemistry of Materials 15, 225-232 (2003)
D. Savytskii, L. Vasylechko, A. Senyshyn, A. Matkovskii, C. Bähtz, M. L. Sanjuán, U. Bismayer y M. Berkowski
Low-temperature structural and Raman studies on rare-earth gallates
Phys. Rev. B 68 024101-8 (2003)
M. L. Sanjuán, M. A. Laguna, A. Várez y J. Sanz
Effect of quenching on structure and antiferroelectric instability of La(2-x)/3LixTiO3 compounds: A Raman study
J. Eur. Ceram. Soc., 24 (6) 1135-1139 (2004)
M.A. Callejas, A. Ansón, A.M. Benito, W. Maser, J.L.G. Fierro, M.L. Sanjuán y M.T. Martínez
Enhanced hydrogen adsorption on single wall carbon nanotubes by sample reduction
Mat. Science & Eng. B, 108 120-123 (2004)
F. Picó, J.M. Rojo, M. L. Sanjuán, A. Ansón, A.M. Benito, M.A. Callejas, W.K. Maser y M.T. Martínez
Single-Walled Carbon Nanotubes as Electrodes in Supercapacitors
Journal of the Electrochemical Society 151, A831-A837 (2004)
R. Jiménez, M. L. Sanjuán, B. Jiménez
Stabilization of the ferroelectric phase and relaxor - like behaviour in low Li content sodium niobates.
J. Phys.: Condens. Matter 16, 7493-7510 (2004)
A. Ansón, J. Jagiello, J. B. Parra, M. L. Sanjuán, A. M. Benito, W.K. Maser, M. T. Martínez
Porosity, surface area, surface energy, and hydrogen adsorption in nanostructured carbons
Journal of Physical Chemistry B 108, 15820-15826 (2004)
M.L. Sanjuán, A. Ansón, M.T. Martínez
Double-resonance features in the Raman spectrum of carbon nanotubes
Phys. Rev. B (Rapid Comm.) 70, 201404(R) (2004)
J. M. Bergues y M. L. Sanjuán
One-phonon resonant Raman scattering of high-frequency pseudocubic modes in zinc-blende like tetragonal semiconductors
J. Phys.: Condens. Matter 16 8353-8366 (2004)
P. Alonso-Gutiérrez, M. L. Sanjuán y M.C. Morón
Raman selection rules in uniaxial media: non-polar modes of MnGa2Se4
Phys. Rev. B 71, 085205-5 (2005)
P. Escribano, M. Marchal, M. L. Sanjuán, P. Alonso-Gutiérrez, B. Julián, E. Cordoncillo
Low-temperature synthesis of SrAl2O4 by a modified sol-gel route. XRD and Raman characterization
Journal of Solid State Chemistry 178 1978-1987 (2005)
M. L. Sanjuán, M. A. Laguna, A. G. Belous, and O. I. V'yunov
On the local structure and lithium dynamics of La0.5(Li,Na)0.5TiO3 ionic conductors. A Raman study
Chemistry of Materials 17, 5862-5866 (2005)
E. Muñoz, M. de Val, M. L. Ruiz-González, C. López-Gascón, M. L. Sanjuán, M. T. Martínez, J. M. González-Calbet, G. F. de la Fuente, and M. Laguna
Gold/Carbon Nanocomposite Foam
Chemical Physics Letters 420, 86-89 (2006)
To know some details about our work visit ...
