Meetings

                                                                Research talks

[12] “Raman spectroscopy to probe structural changes of Fe-ZrSiO₄ nanocomposites”
International Multidisciplinary Joint Meeting 2014. 7º. Encuentro Internacional e Interdisciplinario en Nanocienciay Nanotecnología, (Nanomex). 11ª. Reunión Internacional de Materiales Nanoestructurados y Nanotecnología, (Nanotech). 1 ª Reunión de Estudiantes de Nanotecnología de las Universidades Tecnológicas

G. Herrera*,  J. Alarcón, N. Montoya and A. Domènech-Carbó                    

June 9th-13th, 2014 Pachuca, Hidalgo, Mexico

[11] “A protected annealing process for the production of colloidal iron doped zircon Fe-ZrSiO4”
G. Herrera, N. Montoya and J. Alarcón
4th Mexican Workshop on Nanostructured Materials.
March 19th-22th, 2013 Puebla City, Mexico

[10] “Excited states in YVO4 measured by X-ray absorption spectroscopy”
G. Herrera and J. Jiménez-Miér
Workshop on EELS in Materials Science.
June 18th-20th, 2012 Uppsala, Sweden

[9] “Electronic structure of d0 vanadates obtained by x-ray absorption and emission spectroscopies”
G. Herrera, J. Jiménez-Miér, E. Chavira, A. Moewes and R. Wilks
6th International Conference on Synchrotron Radiation in Materials Science.
July 20th-23th, 2008 Campinas, Brazil

[8] “Structural and morphology characterization of LaVO3 prepared by sol-gel acrylamide polymerization and solid state reaction methods”
G Herrera Pérez, E. Chavira, J. Jiménez Mier y Terán, A. Ordóñez, E. Fregoso, L. Baños, E. Bucio, J. Guzmán, O. Novelo, C. Flores.
Materials Research Society-Asia
June 6th-9th, 2008 Chongqing, China

[7] “Ligand field and charge transfer effects on the electronic structure of vanadium d0 and d2 compounds”
G. Herrera, J. Jiménez-Mier
27th workshop Brandt and Richi
December 17th-19th 2007 Playa del Carmen, México

[6] “Electronic Structure of YVO3 and V2O5 obtained by Resonant Absorption and Emission of X-Rays and comparison with an Atomic Multiplet Model”
G. Herrera
Materials and Austceram
July 4th-6th 2007 Sydney, Australia

[5] “Comparative Study of Nanocrystalline Growth and Grain Size Effects on the Microstructure of Lanthanum Titanate Synthesized by Solid State Reaction Method and Sol-gel Acrylamide Route”
G. Herrera, E. Chavira, J. Jiménez-Mier, L. Baños, J. Guzmán, C. Flores
16th International Microscopy Congress
September 3th-8th 2006, Sapporo, Japan

[4] “Electronic Structure of TiO2, TiF4, V2O5 and VF4 Obtained by Resonant Absorption and Emission of X-Rays and Comparisson with Atomic Multiplet Model”
G. Herrera
XIII International Materials Research Congress,
August 20th-24th, 2006, Cancún, México

[3] “Study of the resonance relaxation phenomena of Ni-Zn ferrites doped with V2O3 by high frequency impedance spectroscopy”
G. Herrera, I. Rosales, E. A. Escárcega, H. Montiel and R. Valenzuela
The Thirteeth International Conference on Processing and fabrication of Advance Materials (PFAM XIII)
December 6th- 8th, 2004, Singapore, Singapore

[2] “Ferrites doped with V2O3”
G. Herrera, I. Rosales, and J.Guzmán
XIII International Materials Research Congress,
August 22th-26th, 2004, Cancún, México

[1] “Fotometría CCD del cúmulo globular M15”
G. M. Herrera Pérez, A. Ruelas Mayorga
V Reunión Nacional de Astronomía
October 1999 Morelia Michoacán, México


                                                                Research Posters


[18] “Electronic structure of monazite-LaVO₄ and perovskite-LaVO₃ by the Absorption and Emission of X-ray”
G. Herrera, J. Jiménez-Mier, R. G. Wilks, A. Moewes, W. Yang and J. Denlinger  
Advanced light Source User Meeting 2013 Poster slam competition
 October 7th- 9th 2013 Berkeley, California, USA

[17] “X-ray absorption to determine the metal valence state of transition metal
compounds",
J. Jiménez-Mier, P. Olalde-Velasco, G. Carabalí-Sandoval, G. Herrera-Pérez, E. Chavira, W.L. Yang, J.  Denlinger
38^th International Conference on Vacuum Ultraviolet and X-ray Physics (VUVX2013)
July 12^th-19^th, 2013, Hefei, Anhui, China

[16] ”X-Ray absorption to determine the metal oxidation state of transition metal compounds”,
J. Jiménez-Mier, P. Olalde-Velasco, G. Carabalí-Sandoval, G. Herrera-Pérez, E. Chavira, W.L. Yang, J. Denlinger
AIP Conf. Proc. IX International Symposium on Radiation Physics.
April 14^th–17^th, 2013, Puebla, Puebla, México.

[15] ”Estudio de las propiedades magnéticas en frecuencia y la microestructura  de ferritas de Mn-Zn dopadas con cobalto", 
A. Zapata, G. A. Camino, G. Herrera, H. Murrieta
LIV Congreso Nacional de Física
October 10^th–14^th, 2013 Mérida, Yucatán, México.

[14] “Monoclinic perovskite – orthorhombic perovskite La2Ti2O7 to pseudo-cubic LaTiO3 phase transition and their microstructure characterization”
G. Herrera, J. Jiménez-Mier
International Multidisciplinary Joint Meeting 2013
May 13th- 17th 2013 Morelia, Michoacán, Mexico

[13] “Polymeric gels and colloidal route of the sol-gel process -alternatives to produce Fe-ZrSiO4.”
G. Herrera, N. Montoya and J. Alarcón
37th International Conference and Exposition on Advanced Ceramics and Composites
January 27th- February 3th 2013 Daytona beach, Florida, USA

[12] “Fast electron dynamics in orthovanadates measured by resonant inelastic x-ray scattering.”
G. Herrera, J. I. Jiménez-Mier y Terán
Workshop on Nanophotonics
The Abdus Salam International Centre for Theoretical Physics. 
December 3th-7th 2012 Miramare-Trieste, Italy

[11] “Preparación y caracterización de disoluciones sólidas de Fe-ZrO2”
G. Herrera, N. Montoya and J. Alarcón
QIES-12 15ª Reunión Científica Plenaria de Química Inorgánica / 9 ª
Reunión Científica Plenaria de Química de Estado Sólido.
July 1th-4th 2012 Girona-Cataluña, Spain 

[10] “Synthesis and Nano-structural Characterization of Iron-containing Zirconium Silicate Prepared by Controlled Hydrolytic via Sol-gel Route. “ 
G. M. Herrera, N. Montoya and J. Alarcón Symposium WW Multiferroic, Ferroelectric, and Functional Materials, Interfaces, and Heterostructures 
MRS Spring Meeting 2011, San Francisco USA April 25th – 29th, 2011

[9] “Preparación y caracterización de disoluciones sólidas Fe-ZrSiO4.”
G. Herrera, N. Montoya, J. María Amigó and J. Alarcón
QIES-10 14ª Reunión Científica Plenaria de Química Inorgánica / 8 ª
Reunión Científica Plenaria de Química de Estado Sólido. September 13th-15th 2010 Cartagena, Murcia, Spain

[8] Simposio Internacional “Nanomateriales y Funcionalidad.”
Universidad Politécnica de Valencia May 25th and 26th 2010 Valencia, Spain

[7] “Microstructural Comparison of La-V-O Compounds Prepared by Sol-Gel Acrylamide Polymerization and Solid State Reaction”.
G. Herrera, E. Chavira, J. Jiménez, A. Ordoñez, E. Bucio, L. Baños, J. Guzmán, E. Fregoso-Israel and O. Novelo. 
Microscopy and Microanalysis 2009 
July 26th-30th 2009 Richmond, Virginia

[6] ”Decaimiento Coster-Kronig del hueco 2p1/2 producido de manera resonante en compuestos de vanadio-V”,
J. Jiménez-Mier, G. Herrera, E. Chavira, R. Wilks y A. Moewes.
LI Congreso Nacional de Física, 
October 20^th-24^th, 2008, Zacatecas, Zacatecas, Mexico

[5] ”X-Ray Raman scattering at the vanadium L₂-edge of V₂O₅ and d⁰ vanadates”,
J. Jiménez-Mier, G. Herrera, E. Chavira, A. Moewes y R. Wilks.
21^st International Conference on X-Ray and Inner-Shell Conference (X-08).
June 22^th-27^th, 2008, Paris, France

[4] ”X-Ray Raman scattering at the vanadium L₂-edge of V₂O₅ and d⁰ vanadates”,

J. Jiménez-Mier, G. Herrera, E. Chavira, A. Moewes y R. Wilks.

International Workshop on Resonant Inelastic X-Ray Scattering (RIXS08).

June 13^th-14^th, 2008, Uppsala, Sweden

[3] “Direct Observation of S-R Bonding in Nanosized La2Ti2O7 and Y2Ti2O7 Compounds Obtained by Sol-Gel Acrylamide Polymerization”
G. Herrera Pérez, E. Chavira, J. Jiménez-Mier, A. Ordoñez, E. Bucio, L. Baños, J. Guzmán, E. Fregoso
Microscopy & Microanalysis 2007 
August 13th-15th 2007 Fort Lauderdale, Florida, USA

[2] ”Grain Size homogeneity in Metallic-oxides prepared by Sol-Gel Acrylamide Polimerization”
B. Salas-Adame, S. Rodriguez, A. Ordoñez, G. Herrera, E. Chavira
2^nd Mexican Workshop on Nanostructured Materiales. 
15^th-18^th, 2007, Puebla, Puebla, Mexico

[1] “Nanostructure Obtained by Sol-gel Acrylamide Polymerization in Y-V-O System”
G. Herrera Pérez, E. Chavira, J. Jiménez-Mier, L. Baños, J. Guzmán and C. Flores.
Microscopy & Microanalysis 2006
July 30th-August 3th, 2006 Chicago, Illinois USA

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