I. Aramburu, G. Madariaga, J.M. Perez-Mato, A structural viewpoint on the sine-Gordon equation in incommensurate phases. J. Phys., Condens. Matter. vol.7, 6187-96 (1995)
L. Elcoro, J.M. Perez-Mato, Structural analysis of the decagonal quasicrystal Al/sub 70/Ni/sub 15/Co/sub 15/ using symmetry-adapted functions. J. Phys I, Gen. Phys. Stat. Phys. Condens. Matter. Cross.-Discipl. Phys. vol.5, 729-45 (1995)
S. Radescu, I. Etxebarria, J.M. Perez-Mato, The Landau free energy of the three-dimensional Phi /sup 4/ model in wide temperature intervals. J. Phys., Condens. Matter. vol.7, 585-95 (1995)
R. Walisch, J. Petersson, D. Schussler, U. Hacker, D. Michel, J.M. Perez-Mato, Dynamics in incommensurate phases studied by NMR: theory and relaxation measurements on /sup 87/Rb satellites in Rb/sub 2/ZnCl/sub 4/. Phys. Rev. B, Condens. Matter vol.50, 16192-204 (1994)
J.M. Perez-Mato, L. Elcoro, Symmetry analysis of the modulated icosahedral phase in AlCuFe. J. Phys I, Gen. Phys. Stat. Phys. Condens. Matter. Cross.-Discipl. Phys. vol.4, 1341-52 (1994)
L. Elcoro, J.M. Perez-Mato, Structure refinement of the icosahedral quasicrystal Al/sub 57/Li/sub 32/Cu/sub 11/. Acta Crystallogr. B, Struct. Sci. vol.B50, 294-306 (1994)
L. Elcoro, J.M. Perez-Mato, G. Madariaga, Determination of quasicrystalline structures: A refinement program using symmetry-adapted parameters. Acta Crystallogr. A, Found. Crystallogr. vol.A50, 182-93 (1994)
I. Aramburu, G. Madariaga, J.M. Perez-Mato, Phenomenological model for type-II incommensurate phases having a soliton regime: thiourea case. Phys. Rev. B, Condens. Matter vol.49, 802-14 (1994)
J.M. Perez-Mato, I. Etxebarria, Comparative study of the incommensurate structural instability in A/sub 2/BX/sub 4/ materials. Phase Transit. vol.B43, 199 (1993)
G. Madariaga, J.M. Perez-Mato, I. Aramburu, Phasons modulate the atomic Debye-Waller factors in incommensurate structures: experimental evidence in ThBr/sub 4/ at 55 K. Acta Crystallogr. B, Struct. Sci. vol.B49, 244-54 (1993)
L. Elcoro, J.M. Perez-Mato, G. Madariaga, Systematic structure refinement of quasicrystals using symmetry-adapted parameters. J. Non-Cryst. Solids vol.153-154 155-9 (1993)
I. Etxebarria, R.M. Lynden-Bell, J.M. Perez-Mato, Molecular-dynamics study of successive phase transitions in potassium selenate. Phys. Rev. B, Condens. Matter vol.46, 13687-96 (1992)
I. Etxebarria, M. Quilichini, J.M. Perez-Mato, P. Boutrouille, F.J. Zuniga, T. Breczewski, Inelastic neutron scattering investigation of external modes in incommensurate and commensurate A/sub 2/BX/sub 4/ materials. J. Phys., Condens. Matter. vol.4, 8551-64 (1992)
I. Etxebarria, J.M. Perez-Mato, G. Madariaga, Lattice dynamics, structural stability, and phase transitions in incommensurate and commensurate A/sub 2/BX/sub 4/ materials. Phys. Rev. B, Condens. Matter vol.46, 2764-74 (1992)
J.M. Perez-Mato, F.J. Zuniga, G. Madariaga (editors), Methods of Structural Analysis of Modulated Structures and Quasicrystals. Proceedings of the Conference: Methods of Structural Analysis of Modulated Structures and Quasicrystals, Lekeitio-Bilbao, Spain (1991)
J.M. Perez-Mato, G. Madariaga, L. Elcoro, Influence of phason dynamics on atomic Debye-Waller factors of incommensurate modulated structures and quasicrystals. Solid State Commun. vol.78, 33-7 (1991)
J.M. Perez-Mato, Superspace symmetry and unconventional Landau models with several symmetry-breaking modes: thiourea and betaine calcium chloride dihydrate. J. Phys., Condens. Matter. vol.3, 391-8 (1991)
C.L. Folcia, J.M. Perez-Mato, Nonsoliton model for dielectric anomalies at the incommensurate-ferroelectric phase transitions in (N(CH/sub 3/)/sub 4/)/sub 2/XCl/sub 4/ (X=Co, Zn). Phys. Rev. B, Condens. Matter vol.42, 8499-506 (1990)
I. Etxebarria, J.M. Perez-Mato, A. Criado, Incommensurate instability and lattice dynamics of potassium selenate within a semiempirical rigid-ion model. Phys. Rev. B, Condens. Matter vol.42, 8482-93 (1990)
T. Breczewski, A. Gomez-Cuevas, J.M. Perez-Mato, E.H. Bocanegra, Ultrasonic study of the ferroelastic phase transition in Rb/sub 4/LiH/sub 3/(SO/sub 4/)/sub 4/ crystal. Solid State Commun. vol.76, 639-43 (1990)
J. Etxebarria, J.M. Perez-Mato, T. Breczewski, A.R. Arnaiz, Optical study of the phase transition sequence in betaine calcium chloride dihydrate (BCCD). Solid State Commun. vol.76, 461-5 (1990)
G. Madariaga, F.J. Zuniga, W.A. Paciorek, J.M. Perez-Mato, J.M. Ezpeleta, I. Etxebarria, A new X-ray determination of the modulated structure of thiourea. Ferroelectrics vol.105 309-14 (1990)
C.L. Folcia, J.M. Perez-Mato, F.J. Zuniga, G. Madariaga, M.J. Tello, A model for the dielectric behaviour of (N(CH/sub 3/)/sub 4/)/sub 2/XCl/sub 4/ with X=Co,Zn. Ferroelectrics vol.105 303-8 (1990)
C.L. Folcia, J.M. Perez-Mato, M.J. Tello, Thermal history and dielectric behaviour of (N(CH/sub 3/)/sub 4/)/sub 2/ZnCl/sub 4/ at the incommensurate-commensurate phase transition. Solid State Commun. vol.74, 717-20 (1990)
C.L. Folcia, F.J. Zuniga, G. Madariaga, J.M. Perez-Mato, M.J. Tello, Memory effects and coexistence of incommensurate and commensurate phases in (N(CH/sub 3/)/sub 4/)/sub 2/CoCl/sub 4/: An X-ray-diffraction study. Phys. Rev. B, Condens. Matter vol.40, 11037-43 (1989)
F.J. Zuniga, G. Madariaga, W.A. Paciorek, J.M. Perez-Mato, J.M. Ezpeleta, I. Etxebarria, Modulated structure of thiourea. Acta Crystallogr. B, Struct. Sci. vol.B45, 566-76 (1989)
R. Walisch, J.M. Perez-Mato, J. Petersson, NMR determination of the nonclassical critical exponents beta and beta in incommensurate Rb/sub 2/ZnCl/sub 4/. Phys. Rev. B, Condens. Matter vol.40, 10747-52 (1989)
F.J. Zuniga, G. Madariaga, J.M. Perez-Mato, Structural analysis of the threefold-modulated monoclinic phase of (N(CH/sub 3/)/sub 4/)/sub 2/ZnCl/sub 4/. Acta Crystallogr. B, Struct. Sci. vol.B45, 462-6 (1989)
J.M. Perez-Mato, G. Madariaga, F.J. Zuniga, Determination of incommensurate structures: choice of atomic parameters. Phase Transit. vol.16-17 445-9 (1989)
J.M. Perez-Mato, F.J. Zuniga, G. Madariaga, A comparative study of the modulated structures of some A/sub 2/BX/sub 4/ compounds. Phase Transit. vol.16-17 439-44 (1989)
A. Garcia, J.M. Perez-Mato, G. Madariaga, Dynamics of incommensurate structures and inelastic neutron scattering. Phys. Rev. B, Condens. Matter vol.39, 2476-83 (1989)
J.M. Perez-Mato, Symmetry analysis of the phase transition sequence in betaine calcium chlorine dihydrate. Solid State Commun. vol.67, 1145-50 (1988)
C.L. Folcia, J.M. Perez-Mato, M.J. Tello, Kinetic behavior and memory effect in the lock-in phase of A/sub 2/BX/sub 4/ incommensurate ferroelectric compounds. Phys. Rev. B, Condens. Matter vol.38, 5055-8 (1988)
C.L. Folcia, J.M. Perez-Mato, M.J. Tello, [Kinetic behaviour and memory effects at the incommensurate phase or RB/sub 2/ZnBr/sub 4/]. Ferroelectrics vol.79 569-72 (1988)
A. Gomez-Cuevas, J.M. Perez-Mato, E.H. Bocanegra, M. Couzi, J.P. Chaminade, [The structural phase transition in chiolite Na/sub 5/Al/sub 3/F/sub 14/. III. An ultrasonic study]. J. Phys. C, Solid State Phys. vol.21, 3641-53 (1988)
C.L. Folcia, M.J. Tello, J.M. Perez-Mato, [Evidence of memory effects in a commensurate ferroelectric phase]. Phys. Rev. B, Condens. Matter vol.36, 7181-3 (1987)
J.M. Perez-Mato, G. Madariaga, [On the symmetry properties of the incommensurate phase in thiourea]. J. Phys. vol.48, 2019-21 (1987)
G. Madariaga, F.J. Zuniga, J.M. Perez-Mato, M.J. Tello, [Structural analysis of the incommensurate and lock-in phases of tetramethylammonium tetrachlorozincate(II), (N(CH/sub 3/)/sub 4/)/sub 2/(ZnCl/sub 4/)]. Acta Crystallogr. B, Struct. Sci. vol.B43, 356-68 (1987)
J.M. Perez-Mato, R. Walisch, J. Petersson, [Static quadrupolar perturbed NMR in structurally incommensurate systems. I. Electric-field-gradient tensor]. Phys. Rev. B, Condens. Matter vol.35, 6529-37 (1987)
J.M. Perez-Mato, G. Madariaga, F.J. Zuniga, A. Garcia Arribas, [On the structure and symmetry of incommensurate phases. A practical formulation]. Acta Crystallogr. A, Found. Crystallogr. vol.A43, 216-26 (1987)
C.L. Folcia, M.J. Tello, J.M. Perez-Mato, J.A. Zubillaga, [Thermal hysteresis and memory effect in the ferroelectric incommensurate tetramethylammonium tetrachlorocobaltate]. Solid State Commun. vol.60, 581-5 (1986)
J.M. Perez-Mato, G. Madariaga, M.J. Tello, [Diffraction symmetry of incommensurate structures]. J. Phys. C, Solid State Phys. vol.19, 2613-22 (1986)
J.M. Perez-Mato, F. Gaztelua, G. Madariaga, M.J. Tello, [Symmetry-mode analysis of the ferroelectric phase in K/sub 2/SeO/sub 4/]. J. Phys. C, Solid State Phys. vol.19, 1923-35 (1986)
J.M. Perez-Mato, G. Madariaga, [X-ray diffraction of incommensurate structures in the soliton regime]. Solid State Commun. vol.58, 105-9 (1986)
J.M. Perez-Mato, G. Madariaga, M.J. Tello, Superspace groups and Landau theory. A physical approach to superspace symmetry in incommensurate structures. Phys. Rev. B, Condens. Matter vol.30, 1534-43 (1984)
A. Gomez Cuevas, J.C. Launay, J.M. Perez Mato, J. Fernandez, A. Lopez Echarri, M.J. Tello, Experimental and group theoretical study of the structural phase transition in RbMnCl/sub 3/ crystals. Ferroelectrics vol.55, 789-92 (1984)
J.M. Perez Mato, G. Madariaga, M.J. Tello, Irreducible representations of space groups and superspace symmetry. Ferroelectrics vol.53, 293-6 (1984)
R.C. Minteguia, M.J. Tello, J.M. Perez-Mato, A. Gomez-Cuevas, J. Fernandez, Commensurate and incommensurate phase transitions in bis-propylammonium manganese chloride crystals. Solid State Commun. vol.50, 501-3 (1984)
A. Gomez Cuevas, J.M. Perez Mato, M.J. Tello, G. Madariaga, J. Fernandez, L. Echarri, F.J. Zuniga, G. Chapuis, Gyrotropic phase transition in the layer crystal (C/sub 5/H/sub 11/NH/sub 3/)/sub 2/ZnCl/sub 4/ at 249K. Phys. Rev. B, Condens. Matter vol.29, 2655-63 (1984)
J.M. Perez Mato, M.J. Tello, Contribution of domain wall dynamics to the dielectric response of uniaxial ferroelectrics in the kink model. J. Phys. Chem. Solids vol.44, 1089-91 (1983)
F.J. Zuniga, G. Chapuis, J.L. Manes, J.M. Perez-Mato, M.J. Tello, Group theoretical analysis of the structural phase transitions sequence in the quasi-one dimensional compound ((CCH/sub 3/)/sub 2/NH)CdCl/sub 3/. J. Phys. C, Solid State Phys. vol.15, 5195-201 (1982)
J.L. Manes, M.J. Tello, J.M. Perez-Mato, Symmetry modes and description of distorted phases in hexagonal ABX/sub 3/ compounds. Application to KNiCl/sub 3/ room-temperature structure. Phys. Rev. B, Condens. Matter vol.26, 250-68 (1982)
F.J. Zuniga, M.J. Tello, J.M. Perez Mato, M.A. Perez Jubindo, G. Chapuis, Second order ferro-paraelastic phase transition in the layer crystal (n-C/sub 3/H/sub 7/NH/sub 3/)/sub 2/ZnCl/sub 4/ at 310K. J. Chem. Phys. vol.76, 2610-17 (1982)
J.M. Perez-Mato, J.L. Manes, J. Fernandez, J. Zuniga, M.J. Tello, C. Socias, M.A. Arriandiaga, Structural phase transitions in (CH/sub 3/NH/sub 3/)/sub 2/ZnCl/sub 4/ crystals. Phys. Status Solidi A vol.68, 29-38 (1981)
J. Zuniga, M.J. Tello, J. Fernandez, J.M. Perez Mato, Ferro-paraelastic phase transition in bis-propyl ammonium tetrachloro zincate. Ferroelectrics vol.36, 308 (1981)
J. Zuniga, J.M. Perez Mato, J.L. Manes, M.J. Tello, Theoretical group analysis of the phase transition sequence in (CH/sub 3/)/sub 3/NHCdCl/sub 3/. Ferroelectrics vol.39, 1170 (1981)
J.M. Perez-Mato, J.L. Manes, M.J. Tello, Phenomenological theory for the first order structural phase transition of CsCuCl/sub 3/ crystals at 423K. An. Fis. A, Fenom. Interacciones vol.77, 74-8 (1981)
J.M. Perez-Mato, J.L. Manes, M.J. Tello, F.J. Zuniga, Structural phase transitions in crystals with P6/sub 3//mmc symmetry. J. Phys. C, Solid State Phys. vol.14, 1121-32 (1981)
M.J. Tello, J.L. Manes, J. Fernandez, M.A. Arriandiaga, J.M. Perez-Mato, Physical properties and phenomenological theory around the successive high-temperature phase transitions of (C/sub 2/H/sub 5/NH/sub 3/)/sub 2/CuCl/sub 4/. J. Phys. C, Solid State Phys. vol.14, 805-16 (1981)
J.L. Manes, J.M. Perez-Mato, M.J. Tello, beta to gamma structural phase transition in RbCrCl/sub 3/ crystals. Solid State Commun. vol.34, 625-8 (1980)
J.M. Perez-Mato, J.L. Manes, M.J. Tello, Dynamical aspects and thermodynamic theory of the alpha - beta phase transition in RbCrCl/sub 3/ and CsCrCl/sub 3/ crystals. J. Phys. C, Solid State Phys. vol.13, 2667-74 (1980)
J.M. Perez-Mato, M.J. Tello, J.L. Manes, E.H. Bocanegra, J. Fernandez, Jahn-Teller induced phase transitions in hexagonal ABCl/sub 3/ crystals. Ferroelectrics vol.25, 457-9 (1980)
J.M. Perez-Mato, J.E. Iglesias, A study of the diffraction enhancement of symmetry based on the Patterson function. Opt. Pura Apl. vol.11, 33-6 (1978)
J.M. Perez-Mato, J.E. Iglesias, On simple and double diffraction enhancement on symmetry. Acta Crystallogr. A, Cryst. Phys. Diffr. Theor. Gen. Crystallogr. vol.A33, 466-74 (1977)