Alejandro Pedro Ayala – Kudos: Growing the influence of research

All Stories

Spin–phonon coupling in monoclinic BiCrO3

Article • Journal of Applied Physics, March 2020, American Institute of Physics

Alejandro Pedro Ayala
The design of novel metronidazole benzoate structures: exploring stoichiometric diversity

Article • Acta Crystallographica Section C Structural Chemistry, April 2019, International Union of Crystallography

Alejandro Pedro Ayala
Spin-phonon coupling in melanothallite Cu2OCl2

Article • Applied Physics Letters, November 2018, American Institute of Physics

Alejandro Pedro Ayala
Raman spectroscopy investigation of the thermal stability of the multiferroic CuCl2 and its hydrated form

Article • Vibrational Spectroscopy, November 2018, Elsevier

Alejandro Pedro Ayala
Crystal structure, vibrational spectra and quantum chemical parameters of 2-hydroxy-3,4,6-trimethoxyacetophenone isolated from the Croton anisodontus Müll. Arg. (Euphorbiaceae)

Article • Journal of Molecular Structure, June 2018, Elsevier

Alejandro Pedro Ayala
Novel Solid Solution of the Antiretroviral Drugs Lamivudine and Emtricitabine

Article • Crystal Growth & Design, May 2018, American Chemical Society (ACS)

Prof. Javier Alcides Ellena, Alejandro Pedro Ayala
Mechanochemically induced solid state transformations: The case of raloxifene hydrochloride

Article • European Journal of Pharmaceutical Sciences, March 2018, Elsevier

Alejandro Pedro Ayala
Crystalline structure of the marketed form of Rifampicin: a case of conformational and charge transfer polymorphism

Article • Journal of Molecular Structure, March 2018, Elsevier

Alejandro Pedro Ayala, Prof. Javier Alcides Ellena
Improving Properties of Albendazole Desmotropes by Supramolecular Systems with Maltodextrin and Glutamic Acid

Article • AAPS PharmSciTech, February 2018, American Association of Pharmaceutical Scientists (AAPS)

Alejandro Pedro Ayala
A combined experimental (IR, Raman and UV–Vis) and quantum chemical study of canadine

Article • Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy, February 2018, Elsevier

Alejandro Pedro Ayala
Characterization of systems with amino-acids and oligosaccharides as modifiers of biopharmaceutical properties of furosemide

Article • Journal of Pharmaceutical and Biomedical Analysis, February 2018, Elsevier

Alejandro Pedro Ayala
Application of 1-Dimensional and 2-Dimensional Solid-State Nuclear Magnetic Resonance Spectroscopy to the Characterization of Morphine, Morphine Hydrochloride, and Their Hydrates

Article • Journal of Pharmaceutical Sciences, October 2017, Elsevier

Alejandro Pedro Ayala
Spectroscopic (far or terahertz, mid-infrared and Raman) investigation, thermal analysis and biological activity of piplartine

Article • Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy, September 2017, Elsevier

Alejandro Pedro Ayala, Prof. Javier Alcides Ellena
Supramolecular interactions between β-lapachone with cyclodextrins studied using isothermal titration calorimetry and molecular modeling

Article • Journal of Molecular Recognition, July 2017, Wiley

Alejandro Pedro Ayala
Study of Cr → SmA phase transition and hydrogen bonding in four-ring bent-core liquid crystal

Article • Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy, May 2017, Elsevier

Alejandro Pedro Ayala
Temperature-dependent infrared study of phase transitions in bent-core liquid crystalline compound 12O(OH)2MeO10

Article • Vibrational Spectroscopy, May 2017, Elsevier

Alejandro Pedro Ayala
Effect of V2O5 Addition on the Phase Composition of Bi5FeTi3O15 Ceramic and RF/Microwave Dielectric Properties

Article • Journal of Electronic Materials, February 2017, Springer Science + Business Media

Alejandro Pedro Ayala
Study of molecular structure, chemical reactivity and H-bonding interactions in the cocrystal of nitrofurantoin with urea

Article • New Journal of Chemistry, January 2017, Royal Society of Chemistry

Alejandro Pedro Ayala
Order–disorder phase transition induced by proton transfer in a co-crystal of 2,4-dichlorobenzoic acid and trimethylamine N-oxide

Article • CrystEngComm, January 2017, Royal Society of Chemistry

Dr Ihosvany Camps, Alejandro Pedro Ayala, Prof. Javier Alcides Ellena
Magnetoelectric effects in the spiral magnets CuCl2and CuBr2

Article • Journal of Physics Condensed Matter, November 2016, Institute of Physics Publishing

Alejandro Pedro Ayala
Molecular modeling and cytotoxicity of diffractaic acid: HP-β-CD inclusion complex encapsulated in microspheres

Article • International Journal of Biological Macromolecules, November 2016, Elsevier

Alejandro Pedro Ayala
Phase transitions in secnidazole: Thermal stability and polymorphism studied by X-ray powder diffraction, thermal analysis and vibrational spectroscopy

Article • Vibrational Spectroscopy, September 2016, Elsevier

Alejandro Pedro Ayala
Study of phase transitions in a bent-core liquid crystal probed by infrared spectroscopy

Article • Vibrational Spectroscopy, September 2016, Elsevier

Alejandro Pedro Ayala
X-Ray diffraction, spectroscopy and thermochemical characterization of the pharmaceutical paroxetine nitrate salt

Article • Journal of Molecular Structure, August 2016, Elsevier

Alejandro Pedro Ayala, Prof. Javier Alcides Ellena
Diffractaic acid: Crystalline structure and physicochemical characterization

Article • Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy, August 2016, Elsevier

Alejandro Pedro Ayala, Prof. Javier Alcides Ellena
On the Thermal Stability of the Diethylcarbamazine-Fortified Table Salt Used in the Control of Lymphatic Filariasis

Article • Journal of Pharmaceutical Sciences, August 2016, Elsevier

Alejandro Pedro Ayala, Prof. Javier Alcides Ellena
Effect of hydroxypropyl methylcellulose on beta cyclodextrin complexation of praziquantel in solution and in solid state

Article • Journal of Inclusion Phenomena and Macrocyclic Chemistry, April 2016, Springer Science + Business Media

Alejandro Pedro Ayala
Reversible Solid-State Hydration/Dehydration of Paroxetine HBr Hemihydrate: Structural and Thermochemical Studies

Article • Crystal Growth & Design, March 2016, American Chemical Society (ACS)

Alejandro Pedro Ayala, Prof. Javier Alcides Ellena
Supramolecular synthesis and thermochemical investigations of pharmaceutical inorganic isoniazid salts

Article • CrystEngComm, January 2016, Royal Society of Chemistry

Alejandro Pedro Ayala, Prof. Javier Alcides Ellena
A combined experimental and theoretical approach to study SmC → NcybC phase transition in a four-ring bent-core liquid crystal

Article • New Journal of Chemistry, January 2016, Royal Society of Chemistry

Alejandro Pedro Ayala
Leads from Physical, Chemical, and Thermal Characterization on Cytotoxic Effects of Xylan-Based Microparticles

Article • Polymers, November 2015, MDPI AG

Alejandro Pedro Ayala
The temperature-dependent single-crystal Raman spectroscopy of a model dipeptide: l-Alanyl-l-alanine

Article • Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy, September 2015, Elsevier

Alejandro Pedro Ayala
Role of rare-earth ionic radii on the spin–phonon coupling in multiferroic ordered double perovskites

Article • Materials Research Express, July 2015, Institute of Physics Publishing

Alejandro Pedro Ayala
Vibrational and thermal analyses of multicomponent crystal forms of the anti-HIV drugs lamivudine and zalcitabine

Article • Journal of Pharmaceutical and Biomedical Analysis, June 2015, Elsevier

Prof. Javier Alcides Ellena, Alejandro Pedro Ayala
Structural, hyperfine and Raman properties of RE2FeSbO7 compounds

Article • Journal of Alloys and Compounds, January 2015, Elsevier

Alejandro Pedro Ayala
Spin-phonon and magnetostriction phenomena in CaMn7O12 helimagnet probed by Raman spectroscopy

Article • Applied Physics Letters, December 2014, American Institute of Physics

Alejandro Pedro Ayala
Temperature-Driven Isosymmetric Reversible Phase Transition of the Hormone Estradiol 17β Valerate

Article • Crystal Growth & Design, November 2014, American Chemical Society (ACS)

Prof. Javier Alcides Ellena, Alejandro Pedro Ayala
Novel polymorphs of the anti-Trypanosoma cruzi drug benznidazole

Article • Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy, January 2014, Elsevier

Prof. Javier Alcides Ellena, Alejandro Pedro Ayala
Quantum chemical studies of structural, vibrational, NBO and hyperpolarizability of ondansetron hydrochloride

Article • Journal of Molecular Structure, January 2014, Elsevier

Alejandro Pedro Ayala
A Comparative Study of the Photosensitizer Penetration into Artificial Caries Lesions in Dentin Measured by the Confocal Raman Microscopy

Article • Photochemistry and Photobiology, November 2013, Wiley

Alejandro Pedro Ayala
Spin-phonon coupling in Gd(Co1/2Mn1/2)O3 perovskite

Article • Journal of Applied Physics, November 2013, American Institute of Physics

Alejandro Pedro Ayala
The Continuum in 5-Fluorocytosine. Toward Salt Formation

Article • Crystal Growth & Design, October 2013, American Chemical Society (ACS)

Prof. Javier Alcides Ellena, Alejandro Pedro Ayala
Study of molecular structure, vibrational, electronic and NMR spectra of oncocalyxone A using DFT and quantum chemical calculations

Article • Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy, September 2013, Elsevier

Professor Pierre Fechine, Alejandro Pedro Ayala
Phase diagram for charged scalars in a magnetic field at finite temperature

Article • Physical Review D, August 2013, American Physical Society (APS)

Alejandro Pedro Ayala
Spin-phonon coupling in Y2NiMnO6 double perovskite probed by Raman spectroscopy

Article • Applied Physics Letters, May 2013, American Institute of Physics

Alejandro Pedro Ayala
Raman spectra of Ga3PO7 single crystal

Article • Materials Letters, May 2013, Elsevier

Alejandro Pedro Ayala
Room-temperature vibrational properties of the BiMn2O5 mullite

Article • Vibrational Spectroscopy, May 2013, Elsevier

Alejandro Pedro Ayala
Structural characterization of bismuth rare earth tungstates obtained by fast microwave-assisted solid-state synthesis

Article • Materials Chemistry and Physics, May 2013, Elsevier

Alejandro Pedro Ayala
Producing xylan/Eudragit® S100-based microparticles by chemical and physico-mechanical approaches as carriers for 5-aminosalicylic acid

Article • Journal of Microencapsulation, April 2013, Taylor & Francis

Alejandro Pedro Ayala
Preparation and Study of Bismuth Rare-Earth Tungstate Composite Screen-Printed Thick Films

Article • Journal of Electronic Materials, February 2013, Springer Science + Business Media

Alejandro Pedro Ayala
Study of polymorphism in imatinib mesylate: A quantum chemical approach using electronic and vibrational spectra

Article • Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy, February 2013, Elsevier

Alejandro Pedro Ayala
Temperature-dependent Raman spectra of Bi2Sn2O7 ceramics

Article • Vibrational Spectroscopy, January 2013, Elsevier

Alejandro Pedro Ayala
Optical phonon features in ferroelectric Bi3Fe1/2Nb3/2O9

Article • Vibrational Spectroscopy, November 2012, Elsevier

Alejandro Pedro Ayala
Far-infrared slab lensing and subwavelength imaging in crystal quartz

Article • Physical Review B, October 2012, American Physical Society (APS)

Alejandro Pedro Ayala
Base-Paired and Base-Stacked Structures of the Anti-HIV Drug Lamivudine: A Nucleoside DNA-Mimicry with Unprecedented Topology

Article • Crystal Growth & Design, October 2012, American Chemical Society (ACS)

Prof. Javier Alcides Ellena, Alejandro Pedro Ayala
Physicochemical properties and thermal stability of quercetin hydrates in the solid state

Article • Thermochimica Acta, July 2012, Elsevier

Alejandro Pedro Ayala
Study on the structure and vibrational spectra of efavirenz conformers using DFT: Comparison to experimental data

Article • Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy, March 2012, Elsevier

Alejandro Pedro Ayala
Nanostructured Ni-containing spinel oxides for the dry reforming of methane: Effect of the presence of cobalt and nickel on the deactivation behaviour of catalysts

Article • International Journal of Hydrogen Energy, February 2012, Elsevier

Alejandro Pedro Ayala
Phonon spectra of CBN crystals

Article • Vibrational Spectroscopy, January 2012, Elsevier

Alejandro Pedro Ayala
Polymorphism evaluation in generic tablets containing mebendazole by dissolution tests

Article • Journal of the Brazilian Chemical Society, January 2012, FapUNIFESP (SciELO)

Alejandro Pedro Ayala
Tapes of water hexamer clusters in the interlayer space of a 2D MOF: Structural, spectroscopic and computational insight of the confined water

Article • Polyhedron, January 2012, Elsevier

Alejandro Pedro Ayala
Ternary composites for glycerol conversion: The influence of structural and textural properties on catalytic activity

Article • Applied Catalysis A General, October 2011, Elsevier

Alejandro Pedro Ayala
The encapsulation of β-lapachone in 2-hydroxypropyl-β-cyclodextrin inclusion complex into liposomes: A physicochemical evaluation and molecular modeling approach

Article • European Journal of Pharmaceutical Sciences, October 2011, Elsevier

Alejandro Pedro Ayala
Rankamaite from the Urubu pegmatite, Itinga, Minas Gerais, Brazil: Crystal chemistry and Rietveld refinement

Article • American Mineralogist, September 2011, GeoScienceWorld

Prof. Javier Alcides Ellena, Alejandro Pedro Ayala, Dr Marcelo B Andrade
Conformational polymorphism of the antidiabetic drug chlorpropamide

Article • Journal of Raman Spectroscopy, July 2011, Wiley

Prof. Javier Alcides Ellena, Alejandro Pedro Ayala
Solid state characterization of an antioxidant alkaloid boldine using vibrational spectroscopy and quantum chemical calculations

Article • Vibrational Spectroscopy, May 2011, Elsevier

Alejandro Pedro Ayala
About the SDS inclusion in PDMS/TEOS ORMOSIL: a vibrational spectroscopy and confocal Raman scattering study

Article • Journal of Raman Spectroscopy, April 2011, Wiley

Alejandro Pedro Ayala
Phonons in isostructural (ND,Yb):YxGd1−x(VO4) laser crystals: A Raman scattering study

Article • Journal of Solid State Chemistry, April 2011, Elsevier

Alejandro Pedro Ayala
Phase transitions in Pb8O5(XO4)2 (X = As and V) compounds

Article • Journal of Raman Spectroscopy, March 2011, Wiley

Alejandro Pedro Ayala
Growth and characterization of congruent lithium isotope niobate (7LiNbO3) single crystal

Article • Journal of Crystal Growth, March 2011, Elsevier

Alejandro Pedro Ayala
An optimized animal model for partial and total skin thickness burns studies

Article • Acta Cirúrgica Brasileira, January 2011, FapUNIFESP (SciELO)

Alejandro Pedro Ayala
Thermal stability of aripiprazole monohydrate investigated by Raman spectroscopy

Article • Vibrational Spectroscopy, November 2010, Elsevier

Alejandro Pedro Ayala
Using Phonon Resonances as a Route to All-Angle Negative Refraction in the Far-Infrared Region: The Case of Crystal Quartz

Article • Physical Review Letters, October 2010, American Physical Society (APS)

Alejandro Pedro Ayala
Triple Structural Transition below Room Temperature in the Antifilarial Drug Diethylcarbamazine Citrate

Article • Crystal Growth & Design, July 2010, American Chemical Society (ACS)

Prof. Javier Alcides Ellena, Alejandro Pedro Ayala
Quantum chemical and experimental studies on the structure and vibrational spectra of efavirenz

Article • Vibrational Spectroscopy, May 2010, Elsevier

Alejandro Pedro Ayala
Solvothermal Preparation of Drug Crystals: Didanosine

Article • Crystal Growth & Design, April 2010, American Chemical Society (ACS)

Prof. Javier Alcides Ellena, Alejandro Pedro Ayala
Dehydrogenation of ethylbenzene with CO2 to produce styrene over Fe-containing ceramic composites

Article • Applied Catalysis A General, April 2010, Elsevier

Alejandro Pedro Ayala
Optical-active phonons in A3Fe2B″O9 (A=Ca, Sr; B″=Te, W) double perovskites

Article • Journal of Applied Physics, February 2010, American Institute of Physics

Alejandro Pedro Ayala
Molecular structure and vibrational spectroscopic analysis of an antiplatelet drug; clopidogrel hydrogen sulphate (form 2) – A combined experimental and quantum chemical approach

Article • Journal of Molecular Structure, February 2010, Elsevier

Alejandro Pedro Ayala
Ethylbenzene to chemicals: Catalytic conversion of ethylbenzene into styrene over metal-containing MCM-41

Article • Journal of Molecular Catalysis A Chemical, January 2010, Elsevier

RONALDO NASCIMENTO, Alejandro Pedro Ayala
Structural relationships in the solid state of the anti-chagas agent (E)-phenylethenylbenzofuroxan

Article • Molecular Diversity, November 2009, Springer Science + Business Media

Prof. Javier Alcides Ellena, Alejandro Pedro Ayala
Raman investigations of rare-earth arsenate single crystals

Article • Journal of Raman Spectroscopy, October 2009, Wiley

Alejandro Pedro Ayala
Temperature-dependent Raman spectra of Ba2BiSbO6ceramics

Article • Journal of Raman Spectroscopy, September 2009, Wiley

Alejandro Pedro Ayala
Vibrational modes of rare-earth formates

Article • Journal of Raman Spectroscopy, August 2009, Wiley

Alejandro Pedro Ayala
Vibrational study of A3In2B″O9(A = Ba, Sr; B″ = U, W) double perovskites

Article • Journal of Raman Spectroscopy, August 2009, Wiley

Alejandro Pedro Ayala
Studies of catalytic activity and coke deactivation of spinel oxides during ethylbenzene dehydrogenation

Article • Applied Catalysis A General, May 2009, Elsevier

Alejandro Pedro Ayala
Molecular Structure and Vibrational Spectroscopic Investigation of Secnidazole Using Density Functional Theory

Article • The Journal of Physical Chemistry A, January 2009, American Chemical Society (ACS)

Alejandro Pedro Ayala
Synthesis, structure and vibrational properties of GdIGX:YIG1−X ferrimagnetic ceramic composite

Article • Journal of Physics and Chemistry of Solids, January 2009, Elsevier

Alejandro Pedro Ayala
Polymorphism incidence in commercial tablets of mebendazole: a vibrational spectroscopy investigation

Article • Journal of Raman Spectroscopy, September 2008, Wiley

Alejandro Pedro Ayala
Computer simulation of Na2ThF6single crystals: prediction of a phase transition under hydrostatic pressures

Article • Journal of Physics Condensed Matter, March 2008, Institute of Physics Publishing

Alejandro Pedro Ayala
Raman spectroscopic characterization of RECa4O(BO3)3 (RE=La and Gd) crystals

Article • Vibrational Spectroscopy, March 2008, Elsevier

Alejandro Pedro Ayala
Synthesis and Characterization of a New Mebendazole Salt: Mebendazole Hydrochloride

Article • Journal of Pharmaceutical Sciences, January 2008, Elsevier

Prof. Javier Alcides Ellena, Alejandro Pedro Ayala
Low-temperature study of a new nevirapine pseudopolymorph

Article • Acta Crystallographica Section E Structure Reports Online, December 2007, International Union of Crystallography

Prof. Javier Alcides Ellena, Alejandro Pedro Ayala
Polymorphism in drugs investigated by low wavenumber Raman scattering

Article • Vibrational Spectroscopy, November 2007, Elsevier

Alejandro Pedro Ayala
Microstructural and electrical properties of PbTIO3 screen-printed thick films

Article • Journal of Materials Science Materials in Electronics, October 2007, Springer Science + Business Media

Alejandro Pedro Ayala
Raman investigation of A2CoBO6 (A=Sr and Ca, B=Te and W) double perovskites

Article • Journal of Applied Physics, June 2007, American Institute of Physics

Alejandro Pedro Ayala
Physicochemical characterization of deflazacort: Thermal analysis, crystallographic and spectroscopic study

Article • Steroids, March 2007, Elsevier

Prof. Javier Alcides Ellena, Alejandro Pedro Ayala
Raman investigations of rare earth orthovanadates

Article • Journal of Applied Physics, March 2007, American Institute of Physics

Alejandro Pedro Ayala
PAC investigation on the Zr-rich region of the PZT phase diagram

Article • Physica B Condensed Matter, February 2007, Elsevier

Alejandro Pedro Ayala
Vibrational spectra and quantum mechanical calculations of antiretroviral drugs: Nevirapine

Article • Journal of Molecular Structure, February 2007, Elsevier

Alejandro Pedro Ayala
Solid state characterization of olanzapine polymorphs using vibrational spectroscopy

Article • International Journal of Pharmaceutics, December 2006, Elsevier

Alejandro Pedro Ayala
Spin and temperature dependence of the magnetic hyperfine field of 111Cd in the rare earth-aluminum Lavesphase compounds RAl2

Article • Journal of Magnetism and Magnetic Materials, November 2006, Elsevier

Alejandro Pedro Ayala
Vibrational spectra of monazite-type rare-earth orthophosphates

Article • Optical Materials, November 2006, Elsevier

Alejandro Pedro Ayala
The Orthorhombic to Tetragonal Phase Transition in Bi2−xTexSrNb2−xHfxO9

Article • Ferroelectrics, August 2006, Taylor & Francis

Alejandro Pedro Ayala
Hyperfine characterization of Bi1.9Te0.1SrNb1.9Hf0.1O9

Article • Solid State Communications, July 2006, Elsevier

Alejandro Pedro Ayala
About the Ferroelectricity of SrAlF5

Article • Ferroelectrics, June 2006, Taylor & Francis

Alejandro Pedro Ayala
Dielectric behaviour and phase transition of SrAlF5 single crystals

Article • Journal of Physics Condensed Matter, February 2006, Institute of Physics Publishing

Alejandro Pedro Ayala
Study of the Aurivillius phases Bi4Srn−3TinO3n+3 (n=4, 5) synthesized by mechanochemical activation

Article • Solid State Communications, December 2005, Elsevier

Alejandro Pedro Ayala
Thermal behaviour and stability in Olanzapine

Article • International Journal of Pharmaceutics, September 2005, Elsevier

Alejandro Pedro Ayala
Ab initiocalculations ofCaCu3Ti4O12under high pressure: Structural and electronic properties

Article • Physical Review B, July 2005, American Physical Society (APS)

Alejandro Pedro Ayala
Structural and dielectric properties of Nd3+-doped Ba0.77Ca0.23TiO3 ceramics

Article • Journal of Applied Physics, May 2005, American Institute of Physics

Alejandro Pedro Ayala
Vibrational spectrum and lattice dynamics of KY3F10 single crystals

Article • Vibrational Spectroscopy, January 2005, Elsevier

Alejandro Pedro Ayala
Phonon spectra of terbium-doped lutetium orthophosphates

Article • Journal of Applied Physics, December 2004, American Institute of Physics

Alejandro Pedro Ayala
Raman scattering and x-ray diffraction studies of polycrystalline Ca Cu 3 Ti 4 O 12 under high-pressure

Article • Physical Review B, October 2004, American Physical Society (APS)

Professor Antonio Gomes Souza FIlho, Alejandro Pedro Ayala
Crystalline structure of SrAlF5 investigated by vibrational spectroscopy

Article • Journal of Physics Condensed Matter, October 2004, Institute of Physics Publishing

Alejandro Pedro Ayala
Crystal structure and vibrational spectrum of the NaCaMg2F7 pyrochlore

Article • Journal of Solid State Chemistry, August 2004, Elsevier

Prof. Javier Alcides Ellena, Alejandro Pedro Ayala
Phase diagram of the relaxor (1−x)Pb(Zn1/3Nb2/3)O3–xPbTiO3 investigated by dielectric and Raman spectroscopies

Article • Solid State Communications, July 2004, Elsevier

Alejandro Pedro Ayala
The ferro–paraelectric phase transition of Pb0.6Ba0.4Nb2O6 investigated by Raman scattering

Article • physica status solidi (b), July 2004, Wiley

Alejandro Pedro Ayala
The orthorhombic to tetragonal phase transition in Bi1.75Te0.25SrNb1.75Hf0.25O9

Article • Journal of Physics Condensed Matter, May 2004, Institute of Physics Publishing

Alejandro Pedro Ayala
Optical and electrical properties of barium titanate-hydroxyapatite composite screen-printed thick films

Article • Solid State Sciences, March 2004, Elsevier

Alejandro Pedro Ayala
Raman scattering study of Tb(V1−xPx)O4 single crystals

Article • Journal of Applied Physics, February 2004, American Institute of Physics

Alejandro Pedro Ayala
Thermal behavior in Pr(HCOO)3 crystals

Article • Journal of Raman Spectroscopy, February 2004, Wiley

Alejandro Pedro Ayala
Sequence of structural phase transitions of CsInF4 crystal

Article • Solid State Communications, February 2004, Elsevier

Alejandro Pedro Ayala
Raman Scattering Investigations on the PBN Phase Diagram

Article • Ferroelectrics, January 2004, Taylor & Francis

Alejandro Pedro Ayala
New crystals in the lithium sulfate family

Article • Acta Crystallographica Section C Crystal Structure Communications, June 2003, International Union of Crystallography

Prof. Javier Alcides Ellena, Alejandro Pedro Ayala
Vibrational spectrum of Na2ThF6 single crystals

Article • Vibrational Spectroscopy, May 2003, Elsevier

Alejandro Pedro Ayala
Low-temperature Raman spectra of Sr0.66Ba0.34Nb2O6 single-crystal fibers

Article • Journal of Raman Spectroscopy, January 2003, Wiley

Alejandro Pedro Ayala
Disorder-induced symmetry lowering in theCsInMgF6pyrochlore crystal

Article • December 2002, American Physical Society (APS)

Alejandro Pedro Ayala
Raman scattering study of the PbZr 1 − x Ti x O 3 system: Rhombohedral-monoclinic-tetragonal phase transitions

Article • October 2002, American Physical Society (APS)

Professor Antonio Gomes Souza FIlho, Alejandro Pedro Ayala
Low-temperature phase transition in CsInF4

Article • Solid State Communications, June 2002, Elsevier

Alejandro Pedro Ayala
Single-crystal structure determination and infrared reflectivity study of the Li2CaHfF8 scheelite

Article • Journal of Physics Condensed Matter, May 2002, Institute of Physics Publishing

Prof. Javier Alcides Ellena, Alejandro Pedro Ayala
Evidence for a new structure in a mixed metal sulphate system by EXAFS

Article • X-Ray Spectrometry, January 2002, Wiley

Alejandro Pedro Ayala
Hyperfine Interactions in the Cubic Phase of BaTi x Hf 1− x O 3

Article • Ferroelectrics, January 2002, Taylor & Francis

Alejandro Pedro Ayala
Monoclinic–orthorhombic phase transition in Ba2Cu(HCOO)6 crystals: a Raman scattering study

Article • Journal of Raman Spectroscopy, January 2002, Wiley

Alejandro Pedro Ayala
Phonons in isostructural compounds CuxM1?x(HCOO)2�2H2O (M = Mn, Co, Ni, Zn, and Cd): a Raman scattering study

Article • Journal of Raman Spectroscopy, January 2002, Wiley

Alejandro Pedro Ayala
Temperature-dependent Raman scattering studies in NaNbO3 ceramics

Article • Journal of Raman Spectroscopy, January 2002, Wiley

Alejandro Pedro Ayala
Temperature-dependent Raman scattering study of Fe3O2BO3ludwigite

Article • Journal of Raman Spectroscopy, January 2002, Wiley

Alejandro Pedro Ayala
Raman and infrared spectroscopic studies of the Li3Na3In2F12fluoride garnet

Article • Journal of Physics Condensed Matter, December 2001, Institute of Physics Publishing

Alejandro Pedro Ayala
Atomistic simulations of the pressure-induced phase transitions in BaF2crystals

Article • Journal of Physics Condensed Matter, November 2001, Institute of Physics Publishing

Alejandro Pedro Ayala
Computer modelling of intrinsic defects and migration processes in KY3F10

Article • Radiation Effects and Defects in Solids, November 2001, Taylor & Francis

Alejandro Pedro Ayala
Temperature Dependence of the Hyperfine Interaction at 181Ta in SrHfO3

Article • Journal of Solid State Chemistry, June 2001, Elsevier

Alejandro Pedro Ayala
Raman study of morphotropic phase boundary inPbZr1−xTixO3at low temperatures

Article • April 2001, American Physical Society (APS)

Alejandro Pedro Ayala
Article • Hyperfine Interactions, January 2001, Springer Science + Business Media

Alejandro Pedro Ayala
Article • Hyperfine Interactions, January 2001, Springer Science + Business Media

Alejandro Pedro Ayala
Temperature dependent Raman scattering studies in CsLiSO4 and RbxCs1?xLiSO4 (x = 0.35)

Article • Journal of Raman Spectroscopy, January 2001, Wiley

Alejandro Pedro Ayala
Ionic conductivity and crystalline structure of Li2CaHfF8 crystals

Article • Solid State Ionics, November 2000, Elsevier

Alejandro Pedro Ayala
Temperature-Dependent Raman Study of CaCu(HCOO)4 and Ca2Cu(HCOO)6 Crystals

Article • Journal of Solid State Chemistry, November 2000, Elsevier

Alejandro Pedro Ayala
High-pressure Raman study of l-alanine crystal

Article • Solid State Communications, October 2000, Elsevier

Alejandro Pedro Ayala
A new phase in the LiRbSO4-LiCsSO4system

Article • Journal of Physics Condensed Matter, August 2000, Institute of Physics Publishing

Alejandro Pedro Ayala
Pressure effects in the Raman spectrum of WO 3 microcrystals

Article • August 2000, American Physical Society (APS)

Professor Antonio Gomes Souza FIlho, Alejandro Pedro Ayala
Monoclinic phase of PbZr 0.52 Ti 0.48 O 3 ceramics: Raman and phenomenological thermodynamic studies

Article • June 2000, American Physical Society (APS)

Professor Antonio Gomes Souza FIlho, Alejandro Pedro Ayala
High temperature neutron diffraction study of LiK1-xRbxSO4crystals

Article • Journal of Physics Condensed Matter, August 1999, Institute of Physics Publishing

Alejandro Pedro Ayala
Hyperfine interactions in the perovskites SrHfO3 and BaHfO3 observed with 111In/111Cd perturbed angular correlations

Article • Journal of Physics and Chemistry of Solids, June 1999, Elsevier

Alejandro Pedro Ayala
Article • January 1999, Springer Science + Business Media

Alejandro Pedro Ayala
Article • January 1999, Springer Science + Business Media

Alejandro Pedro Ayala
Raman spectroscopy characterization of Li2CaHfF8crystals

Article • Journal of Physics Condensed Matter, January 1999, Institute of Physics Publishing

Alejandro Pedro Ayala
The Structural Phase Transitions in LiK 0.50Rb 0.50SO 4 Mixed Crystal

Article • Journal of the Physical Society of Japan, December 1998, Physical Society of Japan

Alejandro Pedro Ayala
Electrical and dielectric investigations of the conduction processes in crystals

Article • Journal of Physics Condensed Matter, June 1998, Institute of Physics Publishing

Alejandro Pedro Ayala
Temperature dependence of the nuclear quadrupole interaction at Zr-Ti sites in in the Zr-rich rhombohedral and cubic phases

Article • Journal of Physics Condensed Matter, March 1998, Institute of Physics Publishing

Alejandro Pedro Ayala
Phase diagram of mixed LiK1-xRbxSO4 crystals

Article • Solid State Communications, January 1998, Elsevier

Alejandro Pedro Ayala
The stability of PbZr0.52Ti0.48O3 prepared by the sol-gel method

Article • Solid State Communications, January 1998, Elsevier

Alejandro Pedro Ayala
Electronic structure of cubicSrHfO3: Ferroelectric stability and detailed comparison withSrTiO3

Article • January 1997, American Physical Society (APS)

Alejandro Pedro Ayala
Correlation between the structure and properties of rare-earth titanates with formula (LnM)TiO3

Article • Acta Crystallographica Section A Foundations of Crystallography, August 1996, International Union of Crystallography

Alejandro Pedro Ayala
High-temperature phase transition of SrRuO3and SrHfO5: X-ray diffraction and PAC spectroscopy

Article • Acta Crystallographica Section A Foundations of Crystallography, August 1996, International Union of Crystallography

Alejandro Pedro Ayala
Stabilization of β-Bi2O3 by hafnia

Article • Solid State Communications, August 1996, Elsevier

Alejandro Pedro Ayala
Measurement of the K X-ray absorption jump ratio of erbium by attenuation of a compton peak

Article • Radiation Physics and Chemistry, February 1996, Elsevier

Alejandro Pedro Ayala
Temperature dependence of the hyperfine electric-field-gradient tensor atTa181in HfO2

Article • August 1994, American Physical Society (APS)

Alejandro Pedro Ayala